Program Information
Therapy General Poster Discussion | Sunday - 7/30/2017 | ||
3:00 PM - 6:00 PM | Room: Exhibit Hall |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-1 : Dosimetric Impact of Spherical Applicator Size in IntrabeamTM IORT for Treating Unicentric Breast Cancer Lesions Y. Saleh, H. Zhang* |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-2 : Evaluating EUBED as a Metric for HDR Prostate Brachytherapy Plan Quality Assessment Based On In-Silico Tumorlet Analysis B. Leong*, N. Kalman, C. Rogers, D. Todor |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-3 : Towards a More Realistic Model of Tumor Control Probability (TCP) for High-Dose-Rate Prostate Monotherapy C. Tien*, Z. Chen, R. Nath, D. Carlson |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-4 : Improving I-131 Outpatient Safety Through Inpatient Data O. Blasi, O. Blasi*, N. Busse, C. Frame |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-5 : Tumor Control Probability Incorporated in SAVI Brachytherapy Treatment Planning Prevents Failure in Treatment Outcomes Z. Huang*, M. Farmer, Y. Feng, K. Rasmussen, S. Lo, J. Grecula, N. Mayr, W. Yuh |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-6 : Cluster Pattern Analysis for Alternative High Dose Rate Brachytherapy Sources 75Se, 169Yb, and 153Gd G. Famulari*, S. Enger |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-7 : Dosimetric Evaluation of An Endorectal Balloon with Radiochromic Film for Two-Dimensional in Vivo Rectal Dosimetry During Cervical Cancer Brachytherapy Y. Goh*, E. Jeang, K. Cho, S. Min, U. Hwang, S. Choi, N. Lee, S. Song, S. Lee, D. Shin, Y. Kim, J. Kim, D. Kim, Y. Lim |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-8 : New Methodology for Binding Iodine-125 Onto Silver for Brachytherapy Sources Manufacture C. Daruich de Souza*, M. Chuery Martins Rostelato, R. Mansini Cardoso, K. Araki, J. Moura |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-10 : Development and Verification of the Three-Dimensional Evaluation System for the Tip Position Accuracy in Brachytherapy T. Kikuchi*, S. Kabuki, T. Hiroki, H. Todaka, E. Kunieda |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-11 : New Core Configuration for Producing Iodine 125 Seeds B. TEIGA RODRIGUES*, M. Chuery Martins Rostelato, C. Daruich de Souza, C. Zeituni, E. Santana de Moura, D. Barbosa de Souza, C. Tozetti, B. Rodrigues |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-12 : Feasibility Study of Source Position Verification in HDR Brachytherapy Using a Scintillating Fiber S. Moon*, E. Jeang, Y. Lim, D. Shin, M. Yoon |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-13 : Enhanced Radiotherapy by Novel Class of Radiosensitizer Based Bismuth Nanoparticles in Gel Dosimetry s. farahani, n. Riyahi alam*, s. Haghgoo, R. Rahnamafar, E. Gorji, s. Fazli |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-14 : Quality Assurance for CO60 HDR Brachytherapy G. Gonzalez Sprinberg*, H. Ortega, G. Piriz, C. Vega |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-15 : Characterization and Validation of Optically Stimulated Luminescent Dosimeters for In-Vivo Dosimetry of HDR Gynecological Brachytherapy Treatments J. Hanna*, R. Yaparpalvi, H. Kuo, K. Mehta, W. Tome |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-16 : Design and Implementation of a Novel Technique for Verification of TG-43 Dosimetric Parameters for a Directional 103Pd Source A. Damato*, G. Cohen, K. Episcopia, S. Lim, M. Rivard, T. LoSasso |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-17 : Gamma-Ray Induced Growth of Metal Whiskers M. Killefer, V. Borra, A. Al-Bayati, E. Parsai, D. Georgiev, V. Karpov, D. Shvydka* |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-18 : Commissioning Data for HDR Vertical Entry Surface Applicators A. Markovic*, J. Baldwin |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-21 : A Simple Method for Verification of HDR Brachytherapy Source Position Inside Applicators Using An Electron Beam From a Linear Accelerator Y. Kakinohana*, T. Toita, T. Ariga, H. Maemoto, T. Kusada, S. Hasimoto, J. Heiannna, S. Murayama |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-22 : Quality Control of Tandem-And-Ovoid HDR Brachytherapy Using Pre-Treatment CT Scout Images X. Chen*, C. Kim, J. Wilson, J. Fan, L. Ariaratnam, V. Lockamy |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-23 : A Novel Electromagnetic-Tracked Scintillation Dosimeter for Accurate In Vivo Dosimetry in HDR Brachytherapy D. Tho*, L. Beaulieu |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-24 : Improving Permanent LDR Partial Breast Brachytherapy with CBCT and Surface-Map Guidance S. Richardson* |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-25 : Revisit Seed Nomogram for Real-Time Intraoperative Prostate Brachytherapy C. Yang*, Y. Chen, S. Sim |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-26 : Dosimetric Evaluation of Available I-125 High Activity Seeds for COMS Eye Plaques L. Muller*, D. Johnson, S. Ahmad, T. De La Fuente Herman |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-27 : Design and Dose Calculation of Module Type Sealed Source Applicator Using Monte Carlo Simulation for Patient Specific Brachytherapy C. Choi*, J. Kim, J. Park, S. Park, M. Chun, S. Kang, H. An, S. Kim |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-28 : Permanent Breast Seed Implant as Partial Breast Radiation Therapy for Early Stage Patients Using Yb-169 S. Awan*, M. Shah, A. S. Meigooni |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-29 : Dosimetric Study of Co60source Step Size in Intracavitary HDR Brachytherapy A. Shukla*, N. Singh, S. Kumar, B. Rana, I. Sandhu |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-31 : Adapting An Eye Plaque Into A Small Animal Radiation Research Device J. Chin*, W. Ngwa |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-33 : The Effect of Phantom Material On Accuboost HDR Brachytherapy M. Papie*, R. Faghihi, S. Sina |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-34 : Comparison of GYN Brachytherapy Treatments Using Tandem-Ovoid Applicator, for Co-60, and Ir-192 HDR Brachytherapy Sources M. Sadeghi, A. Mehdizadeh, S. Sina*, A. S. Meigooni |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-35 : An Algorithm to Calculate Biologically Effective Dose Distributions for Low Dose Rate Prostate Brachytherapy D. Guest*, A. Riegel |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-36 : A Computer Program for Physics Second Manual Calculation for Low-Dose-Rate Brachytherapy W. Taylor*, A. Ayan, J. Woollard, N. Gupta |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-37 : Dosimetric Implications of the Organs at Risk in Vaginal Cuff Brachytherapy with Multi-Lumen Cylinder N. Dumitru*, M. Shojaei, S. Pella, T. Leventouri |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-38 : TG43-TG186 Dosimetric Comparison of a SAVI Applicator Z. Richards, D. Wilkinson* |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-39 : Interfraction Bladder Contour Inconsistencies Lead to Miscalculations of D2cc in Cervical Cancer Brachytherapy D. Park*, A. Medina-Palomo, D. Scanderbeg, L. Mell, L. Cervino |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-40 : Dosimetric Effects of Magnetic Field On Co-60 and Yb-169 HDR Brachytherapy Sources S. Ahmad*, W. Song |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-41 : A GPU-Accelerated Deterministic Algorithm for Heterogeneity Corrections in Low Dose-Rate Brachytherapy Y. Bélanger*, L. Beaulieu, P. Després |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-42 : Planning Strategies to Improve Dose Homogeneity for Permanent Breast Seed Implant A. Frederick*, T. Meyer, M. Roumeliotis |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-43 : Dosimetric Comparison of I-125, Pd-103, and Cs-131 Seed Isotopes for Slotted Plaque Radiotherapy S. Howard*, V. Massey, Y. Altundal |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-44 : Source Modelling for Eye Plaque Dosimetry: A Planning Study N. Papanikolaou*, J. Roring, S. Stathakis, N. Kirby, D. Saenz, K. Rasmussen |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-45 : Dosimetric Comparison of LDR Vs. HDR Tandem Ovoid Brachytherapy W. Li*, L. Liu, S. Tanny |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-46 : Implementation of S-Factor Calculation for Personalized Radionuclide Therapy Dosimetry Into the GATE Platform G. Fois*, F. Smekens, L. Maigne |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-47 : Influence of Bone Tissue On the Dose Distribution Characteristics for a Low-Energy Low-Dose-Rate Brachytherapy Implant M. Rivard* |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-48 : Producing a Look-Up Table for Mesh Brachytherapy Dosimetry with I-125, Pd-103, and Cs-131 Z. Grelewicz*, D. Cutright, V. Sathiaseelan, H. Zhang |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-49 : Consequences of In-Correct Definition of Point A in CT Image Based Brachytherapy for Cervical Cancer P. Agarwal*, J. Swamidas, U. Mahantshetty, S. Chopra, D. Deshpande, J. Agarwal |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-50 : Dose Calculation of a Low Energy X-Ray Intra-Operative Radiotherapy System IntraBeam T. Dai*, K. Mao, Z. Wang, Q. Wei |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-51 : Generation of 3D Printed Surface Applicator Surrogates From the Brachyvision Solid Applicator Library for Patient Simulation D. Barbee*, I. Das, T. Duckworth |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-52 : Dosimetric Comparison of Co-60 and Ir-192 HDR Source Used in Brachytherapy Treatment of Cervical Cancer A. Shukla*, N. Singh, S. Kumar, B. Rana, I. Sandhu |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-53 : A Tool for Automatic Depth Prescription in Surface Skin Brachytherapy A. Otal*, J. Richart, S. Rodriguez, M. Santos, J. Vijande, F. Ballester, J. Perez-Calatayud |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-54 : SRPLAN - A Software Platform of Treatment Planning and Navigation for Radiotherapy Snake Robot Y. Li*, L. Zou, Y. Li, Y. Xie, J. Xiong |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-55 : An Institution-Build Plaque Brachytherapy PlanningSystem for Intraocular Tumor Treatment X. Wu*, I. Brezovich, J. Kraus, S. Shen, E. Covington, R. Popple |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-56 : Dosimetric Impact of Changing Tandem and Ring Prescription From Point A to Volumetric Prescription of HRCTV for Locally Advanced Cervical Cancer A. Powers*, R. Sheu, V. Gupta |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-57 : Dosimetric Comparison Between Syed-Neblett Interstitial and Multi-Channel Vaginal Cylinder HDR Brachytherapy in Locally Advanced Cervical Cancer H. Ai*, X. Lu, C. Desrosiers |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-58 : Dosimetric Evaluation of Electron Total Skin Irradiation Using TLD L. Falahati, N. Banaee, H. Nedaie* |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-59 : Experimental Investigation of the Depth-Dependent Fluence Perturbation of Parallel-Plate Chambers in Clinical Electron Beams P. von Voigts-Rhetz*, H. Vorwerk, K. Zink |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-60 : Dosimetric Evaluation of the Transmission and Backscatter Doses Due to Tungsten Eye Shields in High Energy Electron Fields D. Vile*, B. Overshiner, P. Yearling, C. Desrosiers |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-61 : An Effective Methodology To Reduce TG-71 Based Electron Data Set Measurement For Different Varian Machines H. Xu*, S. Mossahebi, M. Guerrero, S. Chen, P. Aryal, K. Prado, B. Yi |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-62 : Volume Base Prescription for Electron Monte Carlo Monitor Unit Calculations J. Baker*, Y. Valenciaga, E. Klein |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-63 : Electron Monte Carlo: An Analysis of Cutout Factors for Irregularly Shaped Electron Fields N. Mensah-Brown*, N. Neba, Y. Altundal, L. Kile, H. Saleh |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-64 : Feasibility of Monitor Unit Calculation Using a Commercial Monte Carlo Algorithm for Electrons S. Mossahebi*, H. Xu, M. Guerrero, B. Yi, K. Prado, P. Aryal, W. D'Souza, S. Chen |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-65 : Feasibility of Using Monte-Carlo Based Treatment Planning System to Calculate Output Factors for Patients Receiving Electron Radiation Therapy S. Mossahebi, H. Xu*, P. Aryal, N. Lamichhane, M. Guerrero, B. Yi, K. Prado, S. Chen |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-66 : Isodose-Driven Optimization for Automatic/Interactive Electron Bolus Design M. Chen*, X. Gu, T. Chiu, T. Long, J. Tan, W. Lu |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-67 : Impact of Prostate Focused Alignment On Pelvic Lymph Node Coverage J. Kilian-Meneghin*, T. Ma, L. Kumaraswamy |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-68 : A Novel Design Method to Create a Patient Specific 3D Printed Bolus for Use in Electron Therapy G. Gibbard*, M. Porter, G. Kalantzis |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-69 : Design and Creation of a 3D Printed Custom Chest Wall Bolus From a Rubber-Like Material D. Vile*, B. Overshiner, H. Ai, P. Yearling |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-70 : Electron Beam Dosimetry for Standard Circular Cutouts to Ensure Adequate Target Coverage in the Treatment of Small Superficial Lesions Y. Lee*, Y. Kim |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-71 : Photon Multileaf Collimators for Electron Radiotherapy P. Sea*, G. Gill, P. Taylor, E. Klein |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-72 : Dosimetric Comparison Between Two Different 3D Printed Bolus Materials for Electron Therapy of the Nose D. Vile*, B. Overshiner, H. Ai, P. Yearling |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-73 : Physical and Dosimetric Aspects of Various 3D Printing Filaments for Bolus in Radiation Therapy J. Jung*, F. Li, N. Potter, S. Samant, D. Yoon, T. Suh, B. Lu |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-74 : Evaluation of Skull Base Rotation and C-Spine Displacement in Three Head and Neck Immobilization Techniques Using KV Portal Images H. Wang*, X. Wang, L. Zhang, J. Phan |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-75 : A Feasibility Study of Computer Milled Immobilization Cradles for Head and Neck Radiotherapy P. Booth, N. Lee, D. Lovelock, K. Hwang, M. Hunt, E. Yorke, J. Deasy* |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-76 : Dosimetric Effects Due to Indexing Clips On An Immobilization Device K. Verdecchia*, S. Balik, P. Xia |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-77 : Comparison of Two Immobilization Systems' Stability Capabilities On SBRT Lung Patients C. Page*, E. Dellit, D. Ryan, T. Mitin, C. Thomas, J. Tanyi |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-78 : Localization Accuracy of a Novel Patient Positioning System with Four X-Ray Tubes and Flat Panel Detectors: A Phantom Study S. TANABE*, S. Utsunomiya, O. Umetsu, T. Sasage, H. Takatou, M. Kunii, A. Amaki, G. Kawaguchi, H. Aoyama |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-79 : Real-Time Web-Based Wireless Visual Guidance System for Radiotherapy D. Lee*, S. Kim, J. Palta, T. Kim |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-80 : Feasibility Study: Auto-Triggered Consecutive-Short-Breath-Hold Control with ABC in Cancer Radiotherapy D. Lee*, B. Lewis, S. Kim, J. Palta, T. Kim |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-81 : A Novel Metal-Free Miniature 6D Robotic Couch - to Correct Head and Neck Positioning When They Have Differing Displacements M. Ostyn*, S. Kim |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-82 : The Continuous Assessment of Cranial Motion in Thermoplastic Masks During CyberKnife Radiosurgery A. Mayville*, T. Bichay |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-83 : Characterization of Oral Stent Stability in a Radiotherapy Environment R. Price*, B. Kuykendall, U. Parvathaneni, G. Sandison |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-85 : TRANSP: Deterministic Photon Transport with the Method of Characteristics K. Hadad*, A. Moghaddam, M. NEmatollahi, H. Porhemmat |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-86 : Construction of Indigenous Phantoms at FMRI S. Singh*, K. Jassal, B. Sarkar, U. Giri, S. pal, K. Vittal, s. osman |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-88 : Retrospective Correlation of Radiation Pneumonitis with Dose Distributions Computed with Different Algorithms for Locally Advanced Lung Cancer Patients s. devpura*, K. Feghali, Z. Sun, Q. Wu, J. Liu, m. ajlouni, I. Chetty |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-89 : Treatment Outcome and Lung Toxicities of Volumetric Modulated Arc Therapy in the Treatment of Inoperable Non-Small-Cell Lung Cancer Patients X. Jin*, C. Xie |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-90 : CmtDNA: A Geometrical Model of the Circular Mitochondrial DNA Configuration for Evaluation of Radiation-Induced Damage M. Tavakoli*, H. Moradi, H. Khanahmad, M. Hosseini |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-92 : Regression Modeling for Individualized Cancer Risk Prediction Among American Adults F. Guo*, J. Deng, D. Roffman |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-93 : A Preliminary Study On Patient Noncompliance for Cervical Cancer Radiotherapy R. Meerschaert*, S. Miller, L. Zhuang |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-94 : Comparison of Heart and Lung Dose for Prone and Supine Setups for Breast Radiotherapy M. Mille*, P. Vadnais, C. Lee, S. Lee |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-95 : Fitting Three NTCP Models to Treatment Outcome Data of Cardiac Toxicity After Radiation for Stage III Non-Small Cell Lung Cancer P. Mavroidis*, K. Wang, M. Eblan, B. Jensen, J. Dooley, L. Marks, S. Das |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-96 : Quantification of the Increase in Risk of Pneumonitis and Ischemic Heart Disease Among Left Breast Cancer Patients Due to Megavoltage Imaging Beam in TomoTherapy H. Choi*, Y. Ho, M. Law, P. Wu, K. Cheung, S. Yu |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-97 : Analysis of Recurrences in Lung Patients Treated with Protons D. Mirkovic*, P. Yang, Z. Belal, U. Titt, C. Peeler, Z. Liao, R. Mohan |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-98 : Pooling Outcome Data Demonstrates Unforeseen Dose-Response Relationships M. Thor*, A. Jackson, M. Zelefsky, G. Steineck, Ã. Karlsdòttir, M. Høyer, M. Liu, N. Nasser, S. Petersen, V. Moiseenko, J. Deasy |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-100 : Machine Learning-Based Modeling to Predict Radiotherapy-Induced Genitourinary Toxicity in Prostate Cancer Using Genome-Wide Association Study S. Lee*, J. Oh, S. Kerns, H. Ostrer, B. Rosenstein, J. Deasy |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-101 : The Feasibility Study of Multiple CTs Based Optimization in IMPT X. Wang*, X. Zhu, L. Liao, H. Li, B. Jiang, X. Zhang |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-102 : Evaluating the Impact of Respiratory Motion On Proton Breast Treatment X. Wang*, H. Cao, N. Yue, M. Zhang |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-103 : An LET-Based Model of Proton RBE Consistent with New High Accuracy RBE Data Measured Near Distal Fall-Off O. Vassiliev*, F. Guan, L. Bronk, D. Grosshans, R. Mohan |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-104 : Pilot Study of Multi-Field Optimized (MFO) IMPT Dose Distributions Using Fixed and Variable Relative Biological Effectiveness (RBE) Models for Brain Cancer R. Kohno*, W. Cao, P. Yepes, F. Poenisch, D. Grosshans, R. Mohan |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-105 : Survival: A Radiobiological Simulation Toolkit for Ion Beam Therapy L. Manganaro, G. Russo, S. Giordanengo, a. vignati, V. Monaco, R. Sacchi, F. Bourhaleb, R. Cirio, A. Attili* |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-106 : Impact of 2D Vs 3D Cell Survivals On the RBE for Proton Therapy Using GATE F. Smekens*, E. Chautard, E. Débiton, V. Dedieu, F. Degoul, J. Hérault, G. Montarou, P. Vert, L. Maigne |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-107 : Effect of Variable RBE On the Distal Range of the Passive Scattering Proton Beams N. Khuntia, A. Gautam, X. Zhang, X. Zhu, M. Gillin, N. Sahoo* |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-108 : Characterization of Relative Biological Effectiveness (RBE) for Proton Therapy in Human Cancer Cell Lines M. Howard, M. Herman*, S. Anderson, H. Wan Chan Tseung, J. Sarkaria, C. Beltran |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-109 : Charged Particle Track-Structure Simulations: Interaction Cross Sections for Gold M. Dingfelder*, J. Teller |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-110 : Effects of Hinge Angle On Dose, Biological Dose and LET in Critical Organs in Proton Therapy F. Pirlepesov*, M. Gargone, V. Moskvin, C. Tinkle, J. Farr, T. Merchant |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-111 : Pencil Beam Dose Algorithm for Intensity Modulated Proton Therapy with Scanning Proton Beams H. Wang*, H. Zheng, R. Cao, J. Jia, J. Song, T. He, Y. Wu |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-112 : The Correlation of Empirical Estimation of Second Hand Monitor Unit Calculation in Proton Pencil Beam Treatment J. Syh*, J. Syh, H. Wu |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-113 : Assessment of Polymer Gel Dosimetry and Radiochromic Gel Dosimetry for Proton Beams by Means of Monte Carlo Simulation M. Park*, W. Ha, G. Kim, K. Joo, Y. Ji, S. Park, H. Jung |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-114 : Commissioning of the Fast Dose Calculator for the Shanghai Proton and Heavy Ion Center Q. Wang*, M. Moyers, J. Lin, P. Taddei, L. Hong, N. Schlegel, J. Li, Z. Shen, Z. Lin, H. Chen, L. Xu, M. Xu, P. Yepes |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-115 : Fragmentation Experiments with Helium Ions F. Horst, C. Schuy, U. Weber, K. Brinkmann, K. Zink* |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-116 : Accuracy of the Eclipse Pencil-Beam Algorithm in Small Fields for a Passively Scattered Proton Therapy System K. DePew*, S. Ahmad, H. Jin |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-117 : Seamless Integration of a GPU-Based Monte Carlo Treatment Plan Optimization Engine for Carbon Ion Therapy with Varian Eclipse System M. Tsai*, X. Jia, N. Qin |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-118 : A Model for Secondary Monitor Unit Calculations of Pencil Beam Scanning Proton Therapy Treatment Plans G. Schimke*, H. Wu |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-119 : Validation of Monte-Carlo Proton Dose Calculation for Real Tissue Samples H. Wang*, J. Wu, R. Zhang, E. Baer, C. Geng, K. Jee, G. Sharp, H. Paganetti, J. Tang, H. Lu |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-120 : An Independent Dose Calculation Engine for Proton PBS Patient-Specific QA C. Lee*, B. Chiang, H. Huang, T. Chao |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-121 : Internal Neutron Analytical Model for Proton Therapy of Pediatric Patients with Intracranial Tumors K. Gallagher*, P. Taddei |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-122 : On the Propagation of Proton Pencil Beams in Various Media F. Van den Heuvel*, F. Fiorini, B. George |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-123 : Should Proton Radiotherapy with Pencil Beam Scanning Be the Treatment of Choice for Left Chest Wall Irradiation? S. O'Reilly*, C. Shillington, A. Darafsheh, B. Teo, G. Freedman, A. Kassaee |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-124 : Absolute Monte-Carlo Dose Calculations Using the Numberof Protons in Spot-Scanning Proton Beams A. Pourmoghaddas*, W. Yao, R. Lukose, T. Merchant, J. Farr, V. Moskvin |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-125 : Integral Dose for Photon and Proton Hodgkin Lymphoma Radiotherapy S. Flampouri*, B. Hoppe |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-126 : Commissioning of a Fast Monte Carlo Code as a Quality Assurance Tool in Krakow Proton Beam Therapy Centre A. Rucinski*, J. Gajewski, P. Olko, V. Patera, I. Rinaldi, A. Schiavi |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-127 : Dose Perturbation by Gold Fiducials in the Prostate During Image-Guided Proton Therapy: A Monte Carlo Study C. Smith*, S. Wan, U. Wichoski, PhD |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-128 : Evaluation of Surface Dose for Various Treatment Sites Using Mevion S250 Passively Scattered Proton Therapy System H. Jin*, S. Ahmad |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-129 : Clinical Commissioning of the Pinnacle Proton Dose Engine for the Mevion S250 Delivery System T. Willoughby*, O. Zeidan |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-130 : Characterization of the Low-Dose Halo of Proton PBS Spots with and Without a Range-Shifter C. Teng*, C. Ainsley |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-131 : Modeling the Air Gap of Range Shifter for the Dose Calculation of IMPT Y. Zhang*, M. Kerr, J. Hartman, W. Qian, B. Jiang, X. Zhu, X. Zhang |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-132 : Development of Radiation Treatment Planning Engine for Proton Boron Fusion Therapy: First Principle Study S. Kim*, D. Yoon, H. Shin, J. Jung, M. Kim, K. Kim, H. Jang, T. Suh |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-133 : Probability Dose Distribution for the Nuclear Halo in IMPT R. Brosch*, P. Rez, M. Bues |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-134 : Validation of a Dose Verification Tool Using a Simplified Monte Carlo Method for Patient Quality Assurance S. Mizutani*, K. Hotta, H. Baba, T. Yamaguchi, T. Mukawa, Y. Aoki, T. Miyashita, T. Akimoto |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-135 : The Development of a Tetrahedral Phantom and Its Monte Carlo Simulation for Proton Therapy T. Chao*, H. Chang, C. Lee, C. Tung |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-136 : Dosimetric Evaluation of Conventional Proton Plans Against IMRT and VMAT Photon Plans for Pancreatic Cancer K. Harpool*, H. Jin, E. Schnell, T. Herman, S. Ahmad, T. De La Fuente Herman |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-137 : Evaluation of a Method for Dose Estimations to Moving Pancreatic Tumors Treated with Gated Carbon Ion Beams G. Meschini*, M. Seregni, A. Vai, J. Phillips, G. Baroni, M. Ciocca, S. Molinelli, H. Paganetti, A. Pella, F. Valvol, G. Sharp, M. Riboldi |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-138 : Proton Therapy Dosimetry by Using the Scintillation of Glass and Plastic Bare Optical Fibers A. Darafsheh*, R. Taleei, A. Kassaee, J. Finlay |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-139 : Study of Uncertainty of EBT3 Film as a Dosimeter for Proton Beam Measurements V. Ugarte*, N. Wang, A. Ghebremedhim, B. Patyal |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-140 : Comprehensive Morning QA System for Proton Beam Scanning System H. Chung*, K. Langen |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-141 : Daily QA for Spot-Scanning Proton Radiotherapy Using Single Field Delivery J. Younkin*, M. Bues, W. Liu, D. Mundy, D. Robertson, J. Shen, J. Stoker, X. Ding |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-142 : Feasibility Study of Quality Assurance of Proton Range Compensator Using the Proximal Side of Spread-Out Bragg Peak H. Jin*, S. Ahmad |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-143 : 3D Gamma Test for Patient Specific Quality Assurance of Proton Pencil Beam Scanning Dose F. Pirlepesov*, W. Yao, O. Ates, R. Lukose, V. Moskvin, L. Zhao, J. Farr, T. Merchant |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-144 : Investigation of the Feasibility of Collimating the Proton Pencil Beams for Integrated Depth Dose Measurement A. Darafsheh*, W. Nie, E. Diffenderfer, Y. Xie, B. Teo, A. Kassaee |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-145 : Proton Range Verification in Homogeneous Materials Through Acoustic Measurements W. Nie*, K. Jones, S. Petro, A. Kassaee, C. Sehgal, S. Avery |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-146 : Isocenter Verification of a Compact Rotating Gantry for Carbon Ion Therapy n. saotome*, T. Furukawa, Y. Saraya, K. Mizushima, Y. Hara, r. tansho, t. Shirai, K. Noda |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-147 : Monte Carlo Calculated Stopping-Power of EBT3 and EBT-XD Film for Pristine Proton Beams C. Shi*, C. Chen, D. Mah, M. Chan |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-148 : Ion Recombination Effect in Proton Therapy with Pencil Beam Scanning (PBS): A Comparison of Three 2-Voltage Correction Methods M. Gao*, H. Ramirez, B. Kreydick, M. Pankuch |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-149 : Feasibility Study of 2D-Beam Monitoring System Using Optical-Fiber Radiation Sensor for Proton Pencil Beam J. Son*, J. Jung, M. Yoon, Y. Lim, S. Lee, S. Lee, D. Shin |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-150 : Energy Dependency of Dose Response Function of An Optical Dosimeter and EDR2 Film for Spot-Scanning Proton and Carbon-Ionbeams Y. Li, Z. Huang, W. Hsi* |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-151 : Towards Modeling Proton Pencil Beam Scanning for Accurate Simulated QA J. Luna*, L. Ungar, J. Zou, J. Weimer, E. Diffenderfer |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-152 : Practical Method for Periodic Quality Assurance Monitoring of Spot Position and Spot Size for a Spot-Scanned Proton System E. Tryggestad*, C. Beltran, A. Deisher, K. Furutani, G. Gilson, M. Hernandez, S. Ito, J. Johnson, J. Kruse, D. Mundy, N. Remmes, A. Tasson, T. Whitaker, Y. Zhang, J. Gustafson, M. Lowe, K. Long, M. Herman |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-153 : Experimental Evaluation of the Water-Equivalence of Novel Plastic Materials in Clinical Proton Beams A. Lourenco*, D. Shipley, N. Wellock, R. Thomas, H. Bouchard, A. Kacperek, F. Fracchiolla, S. Lorentini, M. Schwarz, N. MacDougall, G. Royle, H. Palmans |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-154 : Feasibility of a Newly Developed Water-Equivalent Bolus Technique in Accelerator-Based Boron Neutron Capture Therapy for Skin Tumors K. Hirose*, K. Arai, T. Harada, R. Shimokomaki, T. Motoyanagi, T. Kato, Y. Takai |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-155 : A Treatment Planning Comparison of Photon and Proton Radiotherapy for Intra-Cranial Stereotactic Radiosurgery Lesions A. Boczkowski*, F. Bova, T. Willoughby, J. Pukala, S. Meeks |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-156 : Increasing Bony Anatomy Set Up Tolerances for Low Risk Prostate Treatments Using Pencil Beam Scanning Proton Therapy D. Hecksel*, H. Ramirez, M. Gao, M. Pankuch |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-157 : The Dosimetric Capabilities of Intensity Modulated Proton Therapy in Hippocampal Avoidance Whole Brain Radiotherapy A. Uejo*, B. Allred, J. Stoker, W. Liu, J. Shen, M. Bues, T. Daniels, S. Keole, T. Vern-Gross, M. Buzan |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-158 : Redistribution of Linear Energy Transfer Near Critical Structures Through the Introduction of Proton Track-End Objectives in Proton Plan Optimization E. Traneus*, J. Ödén |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-160 : Pencil Beam Scanning Proton Therapy Planning for Low-Risk Prostate Cancer Based On Proton Collaborative Group (PCG)-GU002-10 (NCT01230866) Protocol B. Arjomandy, H. Gayar, B. Tesfamicael, S. Rana* |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-162 : Evaluation of Proton Lung SBRT Plan Robustness to Daily Setup and Anatomy Variations Y. Lin*, M. Zhu, Q. Wu, M. Fang, F. Yin |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-163 : Statistic Characteristics of Dose-Volume-Histogram Deviations by Patient Setup Error in Spot-Scanning Carbon-Ion Radiotherapy J. SUN*, W. Hsi, w. wang, G. Jiang |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-164 : Dosimetric Advantages of Proton and Carbon Ion Therapy for Treatment of Retroperitoneal Liposarcoma J. SUN*, K. Shahnazi, w. wang, Y. Sheng, Q. Zhang |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-165 : Dosimetric Advantages of Carbon Ion Therapy Over Proton and Photon Therapy for Hyper-Fractionated Hepatocellular Carcinoma (HCC) Patients w. wang*, J. SUN, Y. Sheng, K. Shahnazi, G. Jiang |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-166 : Comprehensive Comparison of Compensator Border-Smoothing Margin in Proton Therapy of Wobbling Scattering System T. Tsai*, T. Wu, C. Yeh, C. Lee, S. Lee |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-167 : Automated and Robust Dose Restoration in IMPT: Reaching Dose Stability Under Anatomical Changes in Head and Neck Cancer Patients K. Bernatowicz*, X. Geets, E. Sterpin |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-168 : Dosimetric Impact of Beam Size for Intensity Modulated Proton Therapy in Head and Neck Cancer H. Baba*, K. Hotta, H. Tachibana, K. Motoki, Y. Sugama, T. Akimoto |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-169 : PTV-Based IMPT Plans Vs. Robustly Optimized IMPT Plans B. Perumal*, V. Ranganathan |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-170 : An Investigation in Implementation of AAPM Task Group 119 Test Suite Benchmark Plans for Proton Pencil Beam Treatment Planning J. Syh*, G. Schimke, R. Shirey |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-171 : Optimally Combined Proton-Photon Treatments J. Unkelbach*, M. Bangert, K. Bernstein, N. Andratschke, M. Guckenberger |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-172 : Proton Uniform Scanning Treatment of Breast Cancer Patients with Tissue Expanders G. Del Rosario, C. Chen, O. Cahlon, J. Fox, C. Zeng, D. Mah, D. Mah* |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-173 : Effect of Residual Errors On TCP and NTCP Values in H&N Irradiation in Photon and Proton Therapy: A Treatment Planning Study C. Cheng*, S. Srivastava, J. Yuan, D. Mattson, F. Jesseph, M. Awan, D. Mansur, M. Yao |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-174 : Robust Evaluation of Treatment Planning Techniques in Pencil Beam Scanning Proton Therapy for Cranio-Spinal Irradiation S. Rana*, T. Romaguera, A. Gutierrez, J. Bennouna |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-175 : Plan Uncertainty Study: Use of Carbon Ion Beam for Non-Small Cell Lung Cancer x. liu*, K. Shahnazi, Y. Sheng, w. wang, W. Hsi |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-177 : Evaluation of Proton Liver SBRT Plan Robustness to Daily Setup and Anatomy Variations Y. Lin*, M. Fang, M. Zhu, Q. Wu, C. Willett, F. Yin |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-178 : Craniospinal Irradiation Using a Precise Geometric Matching Planning Technique with Dual Scattered Protons F. Reynoso*, T. Zhao, B. Sun, S. Goddu, L. Santanam, S. Mutic, T. Zhang |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-180 : Robustness of Biological Dose Distribution in Intensity Modulated Carbon Ion Therapy: A Monte Carlo Study N. Qin*, X. Jia |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-181 : Development, Commissioning, and Evaluation of a New Intensity Modulated Microbeam Proton Therapy System J. Farr*, V. Moskvin, R. Lukose, S. Tuomanen, M. Gargone, P. Tsiamas, F. Pirlepesov, W. Yao |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-182 : Dosimetric Evaluation of Conformal Aperture Multiple Beam Proton Therapy Without a Compensator Using Double Scattering MEVION-S250 System S. Ferguson*, S. Ahmad, O. Algan, T. Herman, I. Ali |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-183 : Determination of Compensator and Patient Scattered Factors Using Monte Carlo Simulation Techniques for Passively Scattered Proton Beams M. Prusator*, S. Ahmad, Y. Chen |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-184 : Using Experimentally Determined Proton Spot Scanning Operation Parameters to Accurately Model the Beam Delivery Time J. Shen*, E. Tryggestad, J. Younkin, S. Keole, K. Furutani, Y. Kang, M. Herman, M. Bues |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-185 : Interplay Effect Between Target Motion and Pencil Beam Scanning On Proton Therapy for Pediatric Patients A. Boria*, J. Stuckey, J. Uh, M. Axente, C. Hua |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-186 : Technical Commissioning of a Proton Treatment Room Converted From Double Scattering to Pencil Beam Scanning H. Oesten*, E. Cascio, S. Bradley, R. Brett, L. O'Brien, B. Clasie, J. Flanz |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-187 : Evaluation of Proton Dose Distribution Between Analytical Pencil Beam and Monte Carlo Algorithms for Head Neck Treatment L. Gentry Swan*, L. Song, S. Tang, C. Chang |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-188 : An Overview of the Commissioning of a Two-Gantry Proton Pencil Beam Scanning System Y. Zhang*, E. Lee, Z. Xiao, M. Lamba, A. Mascia |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-189 : Towards Dosimetrically Equivalent Proton Facilities: Golden Beam Data for Proton Pencil Beam Scanning Y. Zhang*, Z. Xiao, E. Lee, A. Mascia, L. Dong |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-190 : Impact of Proton Pencil Beam Spot Size On Breast Plan Quality X. Liang*, J. Bradley, D. Zheng, S. Flampouri, M. Ho, Z. Li |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-191 : Sweeping Arc with Gantry Angle Dependent Modulation of Energy (SAME) for Proton Therapy: A Proof of Principle U. Langner*, H. Chung, W. D'Souza, K. Langen, M. Zhu, B. Yi |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-192 : Implementation of a Novel Sweeping Arc with Gantry Angle Dependent Modulation of Energy (SAME) for Proton Therapy Method U. Langner*, H. Chung, K. Langen, M. Zhu, B. Yi |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-193 : Dosimetric and Operational Comparison of Two Snout Sizes for Proton Therapy of Breast Cancer with Lymph Node Involvement Y. Zheng*, H. Singh, M. Prince |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-194 : Prediction of Optimal Focal Lengths in Magnetically Focused Proton Treatments G. McAuley*, J. Slater, A. Wroe |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-195 : Evaluation of New 2D Ripple Filters in Scanned Proton Therapy T. Ringbæk*, U. Weber, A. Santiago, Y. Simeonov, P. Fritz, G. Iancu, A. Wittig, L. Granska, N. Bassler, R. Engenhart-Cabillic, K. Zink |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-196 : Experimental Validation of the Monte Carlo Model of HYPERSCANâ„¢ Pencil Beam Scanning System for Proton Beam Imaging and Radiation Treatment W. Huo*, T. Zwart, C. Finley, K. Jee, G. Sharp, S. Rosenthal, X. Xu, H. Lu |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-197 : Multiple Energy Extraction Reduces Beam Delivery Time for a Synchrotron-Based Proton Spot-Scanning System J. Younkin*, M. Bues, S. Keole, J. Stoker, J. Shen |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-198 : Effectiveness of Dynamic Adaptive Proton Therapy with Computed Tomography Image Guidance in Abdomen S. Moriya*, H. Tachibana, K. Hotta, N. Nakamura, T. Sakae, T. Akimoto |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-199 : Importance of Secondary Particles Produced in a Tungsten Multislit Collimator for Proton Minibeam Therapy S. Mossahebi*, J. Snider, F. Dilmanian, S. Krishnan, J. Eley |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-200 : Modernizing Proton Treatments for Ocular Melanoma C. Bloch*, A. Egan, J. Saini, D. Maes, T. Wong, R. Rengan |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-201 : New Analysis Method of Proton Beam Profile Broadenings in Spot-Scanning Proton Nozzle Using Response Function of Angular Distribution H. Ueda*, T. Matsuura, S. Hirayama, M. Furusaka, K. Umegaki |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-202 : Development of a Ripple Filter with Honeycomb Pattern for Proton Line Scanning N. Kamiguchi*, Y. Aoki, K. Sasai, T. Miyashita, Y. Mikami |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-203 : Susceptibility of Microcomputers to Malfunction Induced by Neutron Radiation Exposure in Proton Therapy Environments J. Herrington*, Y. Chen, S. Ahmad, C. Ferreira |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-204 : Feasibility Studies of the Use of An Averaged HU-To-SPR Calibration Curve of Multiple CT Scanners for Dose Calculations in Proton Radiotherapy H. Chung*, A. Gopal, G. Lasio, H. Xu, S. Mossahebi, J. Polf |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-205 : A Report From One Year Rotational Isocentricity QA for a Commercial 6D Robotic Couch with Half Circle Gantry Proton System B. Allred*, D. Robertson, J. Lentz, D. Hernandez Morales, J. Younkin, M. Bues, S. Keole, J. Shen |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-207 : Clinical Evaluation of Prostate Cancer Patients with Metallic Hip Prosthesis Using Anterior-Oblique and Lateral Proton Beams S. Rana*, Y. Zheng, G. Larson, J. Bennouna, A. Gutierrez, C. Vargas |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-208 : Dosimetric Impact of Intratreatment Displacement in Accelerator-Based Boron Neutron Capture Therapy (AB-BNCT) for the High-Grade Glioma T. Kato*, K. Hirose, T. Harada, K. Arai, T. Motoyanagi, R. Shimokomaki, Y. Takai |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-209 : Common Treatment Related Issues and Solutions During Proton Therapy: Seven Years of Experience at a Proton Therapy Center Y. Zheng*, S. Rana, H. Singh, T. Twyford, L. Zhao, J. Gao, M. Chacko, E. Ramirez |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-210 : A Study of the Magnetic Field in the Treatment Room of a IBA ProteusONE Proton Therapy System Y. Liu*, J. Dugas, K. Chen, H. Wu |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-211 : An Automated Check of Cluster Distributions of Spot Maps as a Safety Procedure for IMPT Treatment Y. Zhang*, B. Jiang, X. Wang, N. Sahoo, M. Gillin, X. Zhu, X. Zhang |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-212 : Elevated Dose to Normal Tissue Resulting From a Cranial Radiosurgery Error G. Ding* |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-213 : Delivery Complexity Analysis for Tomotherapy Plans Using a Fluence-Based Complexity Index A. Xing*, S. Deshpande, S. Arumugam, G. Gooze, L. Holloway |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-214 : Validation of 3D Patient-Specific Quality-Assurance Software (COMPASS) Using AAPM TG-119 S. Sharma*, V. Subramani, P. Kumar, S. Bhaskar, S. Pathy, S. Thulkar, N. Gopishankar, S. Chander |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-215 : A Quality Assurance Approach for Linear Accelerator Mechanical Isocenters with Portal Images M. Zhang, Q. Fan*, Y. Lei, S. Li, S. Zhou |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-216 : Development of a Quality Assurance Software Tool for a New Tomotherapy Machine G. Chen*, X. Li |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-217 : Material Matters: Concerns with 3D Printed Material Consistency D. Craft*, R. Howell |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-218 : Comparison of Single and Dual Material 3D Printed Patient-Specific Radiotherapy Phantoms D. Craft*, M. Peters, G. Baltz, R. Howell |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-219 : Radiobiological Modeling for Assessing Risk to Patients Using Measurement Acquired DVH During Patient Plan Verification A. Alexandrian*, P. Mavroidis, K. McConnell, N. Kirby, N. Papanikolaou, S. Stathakis |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-220 : The Development of Custom, Low-Cost, Anthropomorphic Phantoms Constructed Via Additive Manufacturing J. Pruett*, L. Muller, S. Ahmad, D. Johnson |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-221 : Team Physics Huddle: Redefining Team Work and Communication in Radiation Therapy Physics R. Gutti*, S. Oddiraju |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-222 : Investigating the Use of the Analytical Hierarchy Process (AHP) as a Tool to Determine Optimal Treatment Plans A. Brito Delgado*, K. Rasmussen, T. Medrano Pesqueira, D. Cohen, T. Eng, A. Gutierrez |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-223 : First Application of the Analytical Hierarchy Process (AHP) to Determine Optimal Prostate Treatment Plans A. Brito Delgado*, K. Rasmussen, K. Kauweloa, T. Medrano Pesqueira, D. Cohen, T. Eng, A. Gutierrez |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-224 : Patient Specific Verification System of IMRT/VMAT Using a CCD-Camera and Phosphor-Screen Based TG-142 QA Tool: Raven QA M. Lee*, K. Ding, J. Wong, B. Yi |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-225 : Real-Time Verification of VMAT Delivery by An Automated Beam Monitoring System M. Farrokhkish*, M. Islam, R. Heaton, B. Norrlinger, D. Jaffray |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-226 : Keystroke Emulator Device for Automated Service Mode Driven QA Tests J. Bredfeldt*, S. Hadley, K. Lam |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-227 : Evaluation of Secondary Dose Calculation Software: Ability to Detect Systematic Errors in the Treatment Planning System Beam Model J. Wong*, W. Warren, K. Homann |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-228 : An On-Line Patient Specific Visual Implementation of Clear Zone Collision Detection Method for Varian Linac W. Feng*, A. Chu, J. Hu |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-229 : A New Physical Phantom for Routine Quantitative QA of Gamma Knife ICON HDMM System C. Wu*, M. Radevic, J. Glass, S. Skubic |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-231 : Evaluation of Dual-Channel Compound Method On EBT3 Film Dosimetry for Stereotactic Body Radiotherapy Quality Assurance J. Chung*, S. Kang, T. Suh, W. Cho, J. Lee |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-232 : An Initial Plan Check Procedure Specifically Designed for Fully-Automated Treatment Planning L. Court*, R. McCarroll, K. Kisling, L. Zhang, J. Yang, H. Simonds, M. du Toit, A. Jhingran, P. Balter, B. Beadle |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-233 : Variations in Treatment Plan Quality for External-Beam Accelerated Partial Breast Irradiation W. Swanson*, L. Vanbenthuysen, H. Lu, A. Taghian, D. Gierga |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-234 : IROC Houston QA Center S Independent Peer Review Quality Assurance Program for the Veteran Affairs VA Radiotherapy Facilities P. Alvarez*, A. Molineu, J. Lowenstein, P. Taylor, S. Kry, D. Followill |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-235 : Secondary Neutrons From Clinical Electron Beams G. Al Makdessi*, J. Kildea, A. Licea |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-236 : Determining the Effectiveness of the Initial Physics Chart Check with the Use of An Electronic Checklist A. Geyer*, E. Clouser |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-237 : An Investigation of Interfractional Rectum Shape Variations Based On a Statistical Shape Analysis for Prostate Cancer Radiotherapy M. Haekal*, H. Arimura, Y. Shibayama, T. Hirose, S. Ohga, Y. Umezu, Y. Nakamura, H. Honda, T. Sasaki |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-238 : Risk Assessment for a Low Dose Rate (LDR) Prostate Brachytherapy Procedure Using Failure Modes and Effects Analysis (FMEA) S. Cheong*, J. Kim, C. Houser, R. Smith |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-239 : Analysis of Clinical Operation of a Linear Accelerator Using FMEA Method S. Lee*, D. Albani, Z. Xu, J. Cantley, T. Podder |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-240 : Application of Moving Centerline Exponentially Weighted Moving Average (MCEWMA) Control Chart to Detect Real Warning for Daily Range QA in Proton Beams J. Lah*, D. Shin, G. Kim |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-241 : Distribution and Prediction of Stereotactic Body Radiation Therapy Delivery Errors Originating From Linac Radiation Isocenter Instabilities E. Izaguirre*, A. Wiles, T. Knewtson |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-242 : Evaluation of the Gated Radiation Therapy Technique for Lung Cancer: A Simulation Study s. shahzadeh*, s. gholami, M. Aghamiri, H. Mahani, M. Nabavi, F. Kalantari |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-243 : Effects of ITV/PTV Electron-Density Overrides for Lung SBRT VMAT When Using Monaco XVMC and AcurosXB G. Owen*, D. To, A. Harrison, P. Charpentier, Y. Yu, T. Li |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-244 : Margin Reduction Via 4D-Robust Optimization for VMAT Lung Radiotherapy K. Yang*, H. Chen, L. De Souza Lawrence, J. McGlade, K. Andreou, J. Noonan, F. Mourtada |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-245 : Dosimetric Verification of Photon Robust Plan with Intra-Fraction Organ Motion C. Liu*, K. Xie, D. Pearson, N. Sperling, E. Parsai |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-246 : The Value of Equivalent Uniform Dose (EUD) of the Lung in the Prediction of Radiation Pneumonia Under the Volumetric Modulation Arc Radiotherapy (VMAT) Technique x. Li*, c. wang, j. Gu, Q. Deng, S. Ma, T. Niu |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-248 : Comparison of Radiobiological Models in Predicting TCP and NTCP for IMRT and VMAT Treatments V. Subramani*, M. Radhakrishnan, A. Nambiraj, M. Manavalan, S. Chitra, M. Venkataraman |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-250 : Towards Evaluating the Biological Impact of Increased Scattered Radiation in Highly Modulated Radiation Beams H. Nusrat*, G. Pang, A. Medrek, S. Ahmad, B. Keller, A. Sarfehnia |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-251 : ROE: Radiotherapy Outcomes Estimator - An Open-Source Tool for Modeling Radiotherapy Outcomes A. Iyer, A. Jackson*, A. Apte, M. Thor, J. Deasy |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-252 : Direct Comparison Between Elekta IViewDose and PTW OCTAVIUS 4D for Dosimetric Verification of IMRT and VMAT Treatments I. Olaciregui Ruiz*, B. Mijnheer, J. Kaas, T. Perik, B. Vivas-Maiques, A. Mans |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-253 : Comparison of Varian AS1000 and AS1200 EPID Panels for Portal Dosimetry (PD) with Millennium Standard (SD) and High Definition (HD) 120 MLCs V. Pigrish*, L. Huang, A. Paxton, V. Sarkar, H. Zhao, Y. Huang, F. Su, M. Szegedi, P. Rassiah-Szegedi, B. Salter |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-254 : Using the Varian Portal Dosimetry Scripting API to Establish Action Levels for IMRT QA J. Paisley*, J. Seger-Paisley |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-255 : Remote Dosimetric IMRT Auditing Using EPID Derived Doses in Patient CT Model and DVH Analysis P. Greer*, R. David |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-256 : Single Target Radiosurgery Quality Assurance with Portal Dosimetry E. Covington*, J. Snyder, X. Wu, R. Popple |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-257 : Investigating the Electronic Portal Imaging Device for Small Radiation Field Measurements J. Koilpillai*, A. Agarwal, N. Nikhil Rastogi, S. Yoganathan, D. Udayakumar, S. Kumar |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-259 : A Novel EPID-Based 3D Dose Reconstruction for IMRT QA A. Alhazmi*, C. Gianoli, S. Neppl, S. Veloza, J. Martins, M. Podesta, F. Verhaegen, M. Reiner, C. Belka, K. Parodi |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-260 : The Sensitivity of Gamma Index to Detect MLC Positioning Errors Using Varian EPID and ArcCHECK for Patient-Specific VMAT QA B. Maraghechi, J. Darko*, J. Davis, N. Mitchell, M. Shah, E. Osei |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-261 : Transit Dosimetry for VMAT Lung Dose Verification J. Dumas*, E. Biggs, L. Sandra, S. Krihli, S. Helfre, A. Mazal |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-262 : Commissioning and Validation of the TrueBeam AS1200 Portal Imager for Patient Specific, Pre-Treatment QA of VMAT Plans D. Wieczorek*, V. Mishra, A. Gutierrez |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-263 : EPIQA as Patient Specific Quality Assurance Tool for VMAT V. Subramani*, M. Radhakrishnan, A. Nambiraj, M. Manavalan, S. Chitra, M. Venkataraman |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-265 : Dose Rate Response of Digital Megavolt Imager Detector for Flattening Filter-Free Beams Z. Xu*, J. Kim, J. Han, A. Hsia, S. Ryu |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-266 : The Influence of Steep Dose Gradients On the Sensitivity to Errors of IMRT QA Analyzed with Gamma J. Steers*, B. Fraass |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-267 : Dosimetric Impact of Hysteresis On Lung Cancer Tomotherapy K. Zhang*, J. Dai, Z. Hu, C. Niu |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-268 : When a Half Dozen Does Not Equal Six: Aligning Plan Dose to Shifted Measurements with a Commercial Cylindrical Phantom for IMRT QA B. Leong*, L. Padilla, J. Evans |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-269 : Efficacy of Dose Reconstruction Algorithm for Non Coplanar Beams in Octavius 4D System M. Manavalan*, D. Manigandan, V. Subramani, M. Venkataraman, S. Chitra, G. Krishnan, K. Velan |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-270 : Validation of Two Different Calibration Methodologies During Volumetric Modulated Arc Therapy (VMAT) Plan Verification in PTW Verisoft Software M. Kumar*, D. Manigandan, P. Mohandass, A. Puri, P. Kumar, N. Bhalla |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-271 : Evaluation of Measurement-Guided 4D Dose Reconstruction with Motion as a Perturbation Using IPAGAT Polymer Gel Dosimeter K. Ono*, S. Fujimoto, S. Hayashi, K. Hioki, M. Miyazawa, Y. Akagi, Y. Hirokawa |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-272 : Excessive IMRT Patient Dose Due to the MLC Misalignment and Its Determination Using Archeck From Sun Nuclear E. Lief*, P. Jeffe, J. Restrepo, A. Cheuk |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-273 : On the Dosimetric Influence of Reference CT Selection for Patient Specific Quality Assurance Using the ArcCheck U. Robins*, T. Romaguera, D. Wieczorek, V. Mishra, A. Gutierrez |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-274 : Sensitivity of Patient Specific IMRT QA to Errors in the Dosimetric Leaf Gap D. Bollinger*, B. Sun |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-275 : Consistency of Multi-Institutional Quality Assurance for Nasopharynx Volumetric Arc Therapy (VMAT) D. Thwaites*, E. Pogson, S. Arumugam, C. Hansen, M. currie, S. Blake, N. Roberts, M. Carolan, P. Vial, J. Juresic, J. Yakobi, A. Haman, A. Trtovac, L. Holloway |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-276 : Is Patient Specific QA Needed for Field-In-Field Technique? P. Galavis*, J. Kelley, O. Volotskova, H. Wang, N. Sanfilippo, I. Das |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-277 : Commissioning of a Model Based 3D Second Check and PSQA System B. Bismack*, A. Gopal, N. Wen, J. Kim, E. Laugeman, M. Dumas, B. Miller, I. Chetty |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-278 : Plan-Specific Dose Calibration for IMRT QA W. Luo*, Y. Meng |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-279 : Impact of Plan Complexity On the Delivery Accuracy and Dosimetric Accuracy of Volumetric-Modulated Arc Therapy G. Li*, Y. Li, Q. Wang, J. Xiao, S. Bai |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-280 : Prediction of Gamma-Passing Rate Based On Dose Uncertainty Accumulation Model for IMRT E. Shiba*, A. Saito, M. Tsuneda, M. Furumi, K. Yahara, T. Ohguri, Y. Murakami, T. NIshio, Y. Korogi, Y. Nagata |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-281 : Density Scaling of Phantom Materials for a 3D Dose Verification System K. Tani*, Y. Fujita, A. Wakita, R. Miyasaka, R. Uehara, D. Kawai, Y. Suzuki, A. Aikawa, N. Mizuno, H. Saitoh |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-282 : Impact and Role of Calculated and Reconstructed Dose Grid Size On Gamma Results in Octavius 3D Dosimetry System M. Manavalan*, D. Manigandan, V. Subramani, M. Venkataraman, G. Krishnan, S. Chitra, K. Velan |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-283 : Effect of Dose Plane Resolution On IMRT Plan Verification N. Manohar*, J. Rosenfield, E. Elder, A. Dhabaan |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-284 : Anatomically-Based Log File QA Using Monte Carlo as An Alternative Patient-Specific QA Technique C. Stanhope*, J. Liang, D. Drake, D. Yan |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-285 : Comprehensive Patient Specific IMRT QA Comparing Mobius3D to Typical Methods of Evaluation D. Fiedler*, A. Basavatia, W. Tome |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-286 : The Impact of Measurement Uncertainty On the Dose Map Analysis of VMAT Verification Plans G. Sandhu*, K. Kohli, S. Szpala |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-287 : Is Patient-Specific IMRT QA Needed for TomoTherapy 3D Conformal Radiation Therapy (3D-CRT) Treatment Plans? A. Besemer*, J. Smilowitz, M. Geurts |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-288 : Clinical Implementation of the New Dosimetry System for TomoTherapy Patient Delivery Quality Assurance (DQA) E. Chung*, D. Kwon, T. Park, H. Kang, Y. Chung |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-289 : Can CyberKife Plans with Small/Narrow MLC Segments Be Effectively Assessed by a Diode Array? C. Shang, J. Cole, T. Neupane*, A. Schramm, G. Gibbard, M. Rahman, U. Dona |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-290 : Impact of Phantom Rotation and Dose Gradient On 3D Gamma Evaluation K. Kim*, D. Kim, T. Kim, S. Kang, D. Shin, M. Cho, Y. Noh, T. Suh |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-291 : Feasibility and Sensitivity of Individual Volume Based 3D Gamma Indices for Composite IMRT QA X. Jin*, C. Han, C. Xie |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-292 : Hybrid Arc: Combination of IMRT and VMAT Techniques in the Treatment of Prostate Cancer- A Planning Study Y. Saglam*, A. Bingolbali, Y. Bolukbası, V. Alpan, U. Selek |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-293 : 3D Dose Verification for Highly Modulated Treatments Using a Transmission Detector Array N. Manohar*, J. Rosenfield, E. Elder, A. Dhabaan |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-294 : Dosimetric Evaluation of Respiratory-Gated VMAT On a Versa HD Linear Accelerator J. Snyder*, R. Flynn, D. Hyer |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-295 : Radiobiological Comparison of Planned and Delivered Prostate IMRT/VMAT Plans Using 3DVH Software K. Hedrick*, L. Rankine, R. Chen, S. Das, P. Mavroidis |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-296 : Evaluation of Patient-Specific Quality Assurance Based On Different Methods T. Yang, B. Qu, X. Dai, C. Xie, X. Wang, X. Cong, J. Wang, S. Xu* |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-297 : Calibration of a 2D Planar Diode Array with An Integrated Ion Chamber J. Barbiere*, J. Napoli, A. Ndlovu |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-298 : Impact of Verification Planning Phantom Geometry to the Pre-Treatment IMRT QA Gamma Passing Rate M. Su*, L. Tena, S. Sura |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-299 : Evaluation of An Automated Treatment Planning Verification System for Intensity- Modulated Radiotherapy Treatment Planning X. Liu*, Y. Yin, x. lin |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-300 : Novel Approach to Patient Specific QA for VMAT Treatment Plans Using RadCalc Image Analysis Tool in Conjunction with Machine Trajectory Files F. O'Grady*, C. Fitzherbert, F. Zhou, C. Hand |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-301 : A Fast and Optimized Patient-Specific Quality Assurance Method for Helical Tomotherapy Total Body Irradiation Using a 2-D Array Detector J. Fang*, X. Zhang, Q. Yue, G. Narayanasamy, J. Penagaricano, L. Peacock, S. Maraboyina, F. Xia, S. Morrill |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-302 : A Comprehensive Evaluation of Volumetric Modulated Arc Therapy (VMAT) S. Jang*, M. Kuckarski, A. Pyakuryal, T. Sio, J. Hanley |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-304 : Commissioning and Evaluation of the NanoDot OSLD as In-Vivo Dosimeter for Intrabeam Radiotherapy P. Yan*, R. Shih |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-305 : Energy Correction of TLD Dosimetry at Out-Of-Field Region for Arc Therapy J. Yoon*, R. Zhang |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-307 : Dosimetric Impact of Placement Errors in Optically Stimulated Luminescent in Vivo Dosimetry M. Tariq*, C. Gomez, A. Riegel |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-308 : In Vivo Peripheral Dose Measurements in IMRT and CyberKnife Treatments Using Gafchromic EBT3 Films G. Krishnan*, M. Venkataraman, M. Manavalan, J. Velmurugan |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-309 : Dosimetric Effect of Unwanted Bolus-Air Gap On Surface Dose in Head and Neck and Chest Wall VMAT Treatments Z. Xu*, M. Yao, T. Biswas, Y. Zheng |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-310 : Quantification of Signal Strength Variation Between OSLD Drawers K. Rasmussen*, J. Roring, N. Astorga, R. George, D. Stanley, S. Stathakis, D. Saenz, A. Gutierrez, Z. Shi, N. Papanikolaou |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-311 : Feasibility Study of CBCT Dose Measurements with Tissue-Equivalent Thermoluminescense Sheet C. Kurokawa*, A. Urushiyama, T. Inoue, K. Usui, S. Sugimoto |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-312 : In-Vivo Measurements for Single and Multi-Fractional TBI Using OSLDs and Ion Chamber K. Vittal*, S. Singh, s. osman, K. Jassal, B. Sarkar, U. Giri, T. Ganesh, A. Munshi, B. Mohanthi |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-313 : A Novel Study On a Fixed-Jaw Method IMRT Planning in Peripheral Lung Cancer Combined with Mediastinal Lymph Node Metastasis H. Wang, H. Wang* |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-314 : Optimization of Leaf Sequence for Multileaf Collimator in Lumbar Vertebrae IMRT Using Multiple Algorithms J. Jia, H. Lin, J. Chow* |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-315 : Preliminary Application of Using a Knowledge Based Planning Model for Left Breast Cancer x. lin*, X. Liu, Y. Yin, T. Sun |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-316 : Dose-Mass- and Dose-Volume-Optimization Sensitivity to Anatomical Changes During RT M. De Ornelas-Couto*, E. Bossart, I. Mihaylov |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-317 : Finding the Optimal Treatment Modality for Hippocampal Avoidance Whole Brain Radiation Therapy (HA-WBRT) S. Zieminski*, M. Khandekar, Y. Wang |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-318 : A Hyper-Parameter Optimization Approach to Automated Radiotherapy Treatment Planning S. Haaf*, V. Kearney, Y. Interian, G. Valdes, T. Solberg, A. Perez-Andujar |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-319 : An Integrate Strategy: Combination of Biological and Dose-Volume Constraints in IMRT Optimization Z. Feng*, C. Tao, J. Zhu, J. Chen, G. Yu, S. Qin, Y. Yin, D. Li |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-320 : What Is the Impact of Specific Vs. Combined Purpose Model Library in Knowledge Based Planning? E. Bossart*, M. Duffy, G. Simpson, M. Abramowitz, A. Pollack, N. Dogan |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-321 : Achieving Both High Plan Quality and High Delivery Efficiency with Hybrid Radiation Therapy Combining Fixed-Field IMRT and VMAT G. Kirlik*, W. D'Souza, H. Zhang |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-322 : Evaluation of Different Knowledge-Based Planning Model for Esophageal Cancer C. Tao*, T. Liu, J. Lu, Y. Yin |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-323 : Direct Aperture Optimization Utilizing L0-Penalty Based Total Count Variation Regularization D. Nguyen*, D. O'Connor, Q. Lyu, D. Ruan, K. Sheng |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-324 : Evaluation of a Novel Multi-Criteria Optimization Algorithm in a Commercially Available Treatment Planning System D. Christ*, D. DiCostanzo, A. Ayan, J. Woollard, N. Gupta |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-325 : Develop and Evaluate a Non-Coplanar IMRT Treatment Plan Optimization System Y. Li*, B. Liu, T. Song, S. Xu, B. Liang, X. Xu, B. Guo, R. Wei, F. Zhou |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-326 : Can a Knowledge-Based Planning Solution Increase Inter-Operator Standardization of Head and Neck VMAT Treatment Plans? A. Scaggion*, M. Fusella, N. Pivato, M. Rossato, S. Bacco, A. Roggio, L. Arana Peña, M. Paiusco |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-327 : VMAT Optimization and Dose Calculation in the Presence of Metallic Hip Prostheses H. Parenica*, R. George, E. Bowers, P. Mavroidis, Z. Shi, Y. Li, W. Jones, C. Ha, N. Papanikolaou, S. Stathakis |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-328 : Hydrogel Separation for Rectum Sparing by Knowledge-Based Planning in Cervical Cancer C. Tao*, C. Ma, T. Liu, J. Lu |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-329 : Advantages of Multi-Criteria Optimisation in Volumetric Modulated Arc Radiotherapy Treatment Planning for Pancreatic Cancer A. Johnston*, A. Johnston, R. Valentine |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-330 : Evaluation of a RapidPlanTM Model Trained with Mulit-Criteria Optimised Test Cases for Knowledge Based Planning of Pancreatic Radiotherapy Plans P. Houston*, P. Houston, G. Currie |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-331 : Optimized 4Ï€ Radiotherapy Planning for Cochlear Dose Reduction in Acoustic Neuroma Treatment K. Woods*, T. Kaprealian, P. Lee, K. Sheng |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-332 : A IMRT Method Sparing of Cardiac Structures Compared to Volumetric Modulated Arc Radiotherapy T. Sun*, x. lin, G. Zhang, Y. Yin |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-333 : Patient-Specific Prediction Guided Automatic Treatment Planning for Intensity Modulated Radiotherapy Y. Mai, Y. Li, L. Zhou, T. Song* |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-334 : Dosimetric Impact of Optimization Resolutions Using the New Photon Optimizer Algorithm in Eclipse Treatment Planning System S. Li*, M. Wang, Y. Zhang |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-335 : Dosimetric Impact of Leaf Interdigitation in Breast Cancer Fixed-Field Intensity-Modulated Radiation Therapy J. Duan* |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-336 : Automatic Treatment Planning for Whole Breast Radiation Therapy Using Hybrid IMRT B. Guo*, C. Shah, P. Xia |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-337 : A Dosimetric Comparison of Volumetric Modulated Arc Therapy and Tomotherapy with Simultaneous Integrated Boost for Rectal Cancer T. Sun*, x. lin, Y. Yin |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-338 : Beam Complexity and Monitor Unit Efficiency in Volumetric Modulated Arcs Therapy for Left-Sided Breast and NPC Plans c. li*, J. Lu, Y. Yin |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-339 : Reduction of Normal Brain Dose by Optimizing Irradiation Angles for VMAT in Multiple Brain Metastases N. Yamaura*, F. Araki, T. Ohno |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-340 : Using Robust Optimization in Raystation to Achieve Flash in Breast VMAT Plans C. Kalavagunta*, G. Lasio |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-341 : Comparison of Regression Methods for Knowledge-Based Planning J. Zhang*, Y. Ge, T. Xie, Y. Sheng, F. Yin, Q. Wu |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-344 : Comparison of Penumbra Regions Produced by Gamma Knife Model C and Gamma ART 6000 Using Monte Carlo MCNP6 Simulation N. Banaee*, S. Asgari, H. Nedaie |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-345 : Monte Carlo Calculation of Photo-Neutron Dose Produced by Circular Cones at 18 MV Photon Beams N. Banaee, E. Hosseinzadeh, H. Nedaie* |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-347 : Monte Carlo Calculation of Zinc Oxide Nanoparticles Enhanced Dose & Comparison with Radiochromic Dose Measurements N. Banaee, H. Nedaie*, D. Khezerloo |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-348 : Relative Neutron Damage to Cardiovascular Implantable Electronic Devices: A Monte Carlo Study M. Studenski*, A. Ezzati |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-349 : Influence of Electron Transport Parameters On Monte Carlo Based Treatment Planning G. Mora*, A. Eldib, J. Li, C. Ma |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-350 : A Monte Carlo Based Dose Verification Tool for Gamma Knife Radiosurgery Treatment J. Yuan*, J. Sohn, C. Cheng, B. Wessels, A. Kumar, D. Mansur, M. Machtay |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-351 : A Comprehensive Geant4 Monte Carlo Model of Multileaf Collimator for Varian TrueBeam Linac P. Kandlakunta*, T. Zhang, S. Mutic, R. Khan |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-352 : Coupled Photon-Electron Monte Carlo Simulation for Heterogeneous Computing Systems E. Doerner*, C. Rebolledo, V. Gomez |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-353 : Commissioning of a New Wireless Volumetric QAsystem (Delta4 Phantom+) for a Monte Carlo Treatment Planning System C. Cheung*, F. Lee, K. Leung |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-354 : An Investigation of Radiation Dose Enhancement at the Water-Gold Interface and Its Correlation with Free Radical Generation K. Xie*, C. Liu, E. Parsai, D. Shvydka |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-356 : A Monte Carlo Evaluation of Flattening-Filter-Free MV Photon Dose Distributions in the Presence of High-Z Metals B. Ispir*, N. Sarigul, K. Yenice, H. Schlattl, Z. Yegingil |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-357 : A Novel GPU-Based Fast Monte Carlo Photon Dose Calculating Method for Accurate Radiotherapy Treatment Planning M. Tavakoli* |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-358 : PHITS Monte Carlo Dose-Verification of VMAT Treatment Plan with HD120MLC N. Nagaishi*, F. Araki, T. Ohno, S. Hashimoto |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-359 : Towards Monte Carlo Model Validation of the Optical Properties in Light Guides Used for Scintillation Dosimetry E. Simiele*, W. Culberson, L. DeWerd |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-360 : A Method to Accurately Estimate Out-Of-Field Organ Dose Based On the Calculations From a Commercial Treatment Planning System L. Wang, G. Ding* |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-361 : Assessment of Knowledge-Based Rapidplan Model for Patients with Postperation of Cervix Cancer C. Ma* |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-362 : How to Create a Robust Knowledge Based Rapidplan Model for Patients with Postoperation of Cervix Cancer? C. Ma* |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-363 : Dosimetric and Radiobiological Evaluation of Multiparametric MRI-Guided Dose Painting in Radiotherapy of Prostate Cancer M. Tavakoli*, I. Abedi, K. Jabbari, A. Amouheidari |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-364 : Dosimetric Comparison of Intensity-Modulated Radiotherapy and Volumetric Modulated Arc Radiotherapy for the Treatment of Multiple Intracranial Metastases X. Liu*, Y. Yin |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-365 : A Statistical-Based Treatment Plan Prediction Method J. Lu*, W. Hu, J. Wang, J. Fan, G. Qing, L. Huang, H. Ying |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-366 : Analysis of the Elekta Agility MLC Performance Using High Resolution Log Files C. Kabat*, A. Alexandrian, D. Defoor, P. Myers, N. Kirby, N. Papanikolaou, S. Stathakis |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-367 : Dosimetric Comparison of Manual and Beam Angle Optimization of Gantry Angles in IMRT for Cervical Cancer x. lin*, Y. Yin, T. Sun, X. Liu |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-368 : Dosimetric Indices From Automated Planning Versus Geometric Conformity Indices for the Evaluation of Contour Accuracy in Head-And-Neck Cancer T. Lim*, E. Gillespie, J. Murphy, K. Moore |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-369 : Dosimetric Comparison of Non-Small-Cell Lung Cancer with Helical Tomotherapy Plans and Intensity-Modulated Radiation Therapy Plans Z. Liang*, Z. Zhang, R. Zhou |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-370 : A New Method for Defining the Conformity of Treatment Plan Based On Similarity Measurement J. Duan* |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-371 : Comparison of Two VMAT Planning Techniques Using Planned and Delivered Dose Distributions D. Mathew*, S. Edlund, Y. Watanabe |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-372 : Three-Field Conformal Radiation Therapy for Palliation of Vertebral Metastasis: Beyond Parallel-Opposed Fields J. Zhang*, L. Lawrenson, J. Moayyad, J. Cho-Lim, S. Lee, W. Inouye |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-373 : Comparison of Sparing Rectal Tissue in Stereotactic Ablative Radiation Therapy (SABR) in Prostate Cancer for Injectable Spacer Gel and Rectal Balloon N. Hassan Rezaeian*, R. Jones, N. Desai, R. Hannan, X. Jia, M. Folkert |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-374 : 3D Dosimetry of a Simulated Prostate Treatment in the Presence Metallic Femoral Prostheses D. Cuevas Rojas, J. Pavoni, O. Baffa* |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-375 : Feasibility Study of Checking Treatment Plans Using a Third-Party Treatment Planning System Z. Zhang*, H. Tang, T. Cheng, Y. Lu, Y. Zhang, G. Liu, Z. Jin, Z. lv, Y. Hu, x. yang, Z. Liang, R. Zhou, L. Shen |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-376 : Reducing Inter-Operator Variability in Prostate VMAT Treatments with a Commercially Available Knowledge-Based Planning Solution M. Fusella*, A. Scaggion, M. Rossato, N. Pivato, S. Bacco, A. Roggio, L. Arana Peña, M. Paiusco |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-377 : A Comparison of VMAT and IMRT Treatment Plans for Four Clinical Sites at a Mixed-Machine Cancer Center E. Schnell*, S. Ahmad, S. Thompson, O. Algan, C. Bogardus, T. Herman, T. De La Fuente Herman |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-378 : GammaPod Versus Cyberknife: A Dosimetric Comparison of Stereotactic Radiotherapy for Early Stage Breast Cancer as An APBI Modality X. Zhu*, Y. Niu, S. Lei, J. LisChalk, G. Zhang |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-379 : Incorporating Patient Random Irregular Respiratory Motion Effect Into Radiotherapy Dose Calculation S. Zhou*, D. Zheng, S. Wang, Q. Fan, X. Wang, C. Enke |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-380 : A DICOM-RT Toolkit for Post Treatment Planning Evaluation V. Lahanas, E. Pappas, N. Papanikolaou, S. Stathakis* |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-381 : Dosimetric Comparison of Different Beam Energy in Breast Field-In-Field Forward Treatment Planning T. Tseng*, J. Tam, A. Powers, V. Dumane, S. Green, Y. Lo |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-382 : Computational Analysis for Dose Distributions of Cold Spots in Intensity Modulated Radiotherapy for Prostate Cancer R. Asamura*, H. Arimura, M. Soufi, S. Ohga, H. Honda, T. Sasaki |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-383 : Leaf Interdigitation Can Improve the Plan Quality for Multiple Isolate Targets NSCLC Sliding Window IMRT Plans in Monaco J. Duan* |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-384 : Effect of Beam Geometry and Number of Arcs On VMAT Planning for Large Field Head and Neck Cancer Patients: A Treatment Planning Study S. Srivastava*, P. Metuge, D. Pinnaduwage, N. Thawani, X. Yan, C. Ord, S. Patel, S. Mutyala, S. Sorensen |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-385 : To Study the Feasibility of Targeted Dose Escalation for High Metabolic Region in Radiotherapy of Locally Advanced NSCLS H. Deng*, G. Gong, Y. Yin |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-387 : The Dosimetric Impacts of Vertebral Implants (pedicle Screw And/or Bone Cement) On Spinal Cord B. Zhao*, M. Zhang, J. Yin, X. Gao |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-388 : Generalized Beam Modulation Based Dosimetric Leaf Gap Determination Scheme T. Chen*, N. Yue |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-389 : Development and Clinical Implementation of Radiotherapy Planning Supporting System Y. Adachi*, M. Nozue, T. Matsunaga, N. Hayashi, R. Yada |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-390 : An End-To-End VMAT QA Procedure Using a Customized Anthropomorphic Phantom Head P. Iwai*, S. Hara |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-391 : Variations of Dose Volume Histogram Calculated Using MiM and Eclipse Software H. Geng*, H. Zhong, M. Huang, F. O'Grady, C. Cheng, S. Ryu, F. Yin, Y. Xiao |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-392 : Monte Carlo Treatment Planning for a New Co-60 Total Body Irradiator M. Snyder*, R. Halford, J. Burmeister, B. Loughery, A. Nalichowski, T. Bossenberger, G. Baran, J. Rakowski, K. Masi |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-393 : Theoretical Investigation of Relationship Between Rectal Motion and Wall Thickness G. Grigorov, J. Chow*, G. Bauman |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-394 : Evaluation of An AAA to Acuros Transition On Clinic Efficacy and Dosimetric Decision Making L. Muller*, S. Ahmad, D. Johnson |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-395 : Quantification of Potential and Clinical Improvement in Head and Neck IMRTOAR Sparing Using a Feasibility DVH Derived From a 3D High Gradient Dose Spread Model D. Fried*, M. Kostich, B. Nelms, B. Chera, S. Das |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-396 : Treatment Delivery Fidelity for 2 Head and Neck Treatment Techniques P. Rassiah-Szegedi*, S. lloyd, F. Su, L. Huang, Y. Huang, Y. Hitchcock, H. Zhao, M. Szegedi, A. Paxton, B. Salter |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-397 : Is It Feasible to Use Manufacturer-Installed Pre-Configured Radiation Beams in a Commercial Treatment Planning System? G. Ding* |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-398 : The Capability and Characteristic of Helical Tomotherapy at Sparing Hippocampus in Lung Cancer Prophylactic Cranial Irradiation J. Zhu*, H. Li, L. Fu, J. Gu, T. Bai, Y. Yin |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-399 : Influence of Statistical Uncertainty On Monaco Monte-Carlo Dose Calculation S. Sharma*, V. Subramani, P. Kumar, N. Gopishankar, S. Bhaskar, S. Pathy, S. Thulkar, S. Chander |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-400 : It Is Not Safe to Apply Popular CTV-PTV Margins for Patients with Tomotherapy Y. Tong*, G. Gong, P. Cheng, Y. Yin |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-401 : The Influence of Different Beamlet Width On Volumetric Modulated Arc Therapy Plan Quality and Delivery for Glioblastoma Brain Tumor Patients P. Mohandass*, D. Khanna, D. Manigandan, M. Kumar, A. Puri, N. Bhalla |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-402 : Absolute Dose Verification of FFF Beams for AAA Algorithm Using CIRS Electron Density Phantom V. Mhatre*, P. Patwe |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-403 : Dosimetric Impact of Statistical Uncertainty On Monte Carlo Dose Calculation in Monaco TPS Volumetric Modulated Arc Therapy for Lung Cancer P. Mohandass*, D. Khanna, D. Manigandan, M. Kumar, A. Puri, N. Bhalla |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-404 : Modified Dynamic-Conformal-Arc Study for Multiple Anatomic Sites at Standard Dose Fractionation R. Foster*, H. Parks, M. Xu, M. Pankuch, M. Stutz |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-405 : Treatment Plan Quality Improvement in Head and Neck Radiotherapy Based On New Dose Constraints for the Contralateral (parotid and Submandibular) Glands M. Kostich*, K. Hedrick, S. Sutton, B. Motley, D. Fried, B. Chera, S. Das, R. Adams, P. Mavroidis |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-406 : OPTIMIZER, a New Optimization Algorithm for a Co-60 Arc Therapy Machine O. Chibani*, C. Ma |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-407 : Evaluation of Organs at Risk (OAR) Sparing in Left Breast Irradiation Techniques A. Saini*, I. Das, C. hwang, M. Biagioli |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-408 : Impact of Photon Energy On Volumetric Modulated Radiotherapy Plans for the Hodgkin's Lymphoma Patients Under Deep Inspiration Breath-Hold D. Manigandan*, M. Kumar, P. Mohandass, A. Puri, P. Kumar, N. Bhalla |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-409 : Application of Fixed Collimator Technique in the Treatment of Breast Cancer After Radical Mastectomy with Intensity- Modulated Radiotherapy G. Zhang*, J. Lu, C. Ma, T. Sun, Y. Yin |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-410 : To Measure Dose Volume Variations Amongst the Pelvis IMRT Plans c. li*, J. Lu, Y. Yin |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-411 : Dosimetric Advantage of Volumetric Modulated Arc Therapy in the Treatment of Intraocular Cancer X. Jin*, Z. Deng, C. Xie |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-412 : Efficient Method of Metal Artifact Correction for Breast Tissue Expander J. Park*, A. Morrow, A. McVicker, A. Altman, M. Deveau, S. Kim |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-413 : Accuracy Assurance of Computed Lung IMRT Dose Distributions for Treatment Response Analyses: Two Commercial Algorithms Vs Monte Carlo O. Vassiliev*, Z. Liao, R. Mohan |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-414 : Dose-Volume Dependence of Targets and Critical Organs On the Dose Calculation Resolution in Prostate VMAT Plan J. Chow*, R. Jiang |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-415 : Prostate IMRT and VMAT Plan Evaluation Using the PTV Dose-Volume Factor Based On the Guassian Error Function J. Chow*, R. Jiang, A. Kiciak, D. Markel |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-416 : Dose Calculation in Metallic Prosthesis for Pinnacle and RayStation L. Archambault* |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-417 : Monte Carlo Finite-Size Pencil Beam Dose Calculation Engine for Accurate Radiotherapy H. Zheng*, H. Wang, R. Cao, J. Song, T. He, Y. Wu |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-418 : Planning Study of Dose Escalation with Biodegradable Spacer in Stereotactic Body Radiotherapy for Pancreatic Cancer Z. Feng*, D. Li, A. Rao, E. Shin, L. Su, S. kim, J. Wong, A. Narang, J. Herman, K. Ding |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-419 : Planning Study of Stomach Sparing by Biodegradable Hydrogel Spacer in Stereotactic Body Radiotherapy for Pancreatic Cancer Z. Feng*, D. Li, A. Rao, L. Su, J. Wong, A. Narang, J. Herman, K. Ding |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-420 : A Comparative Study of Dose Calculation Algorithms for In-Field and Out-Of-Field Conditions P. Ramachandran*, A. Tajaldeen, K. Roozen, D. Taylor, D. Wanigaratne, M. Geso |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-421 : To Find a Appropriate MLC Expansion Aperture for the Radiotherapy of Lung Cancer x. lin*, Y. Yin, T. Sun, X. Liu |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-422 : A New Beam Model for the Total Scatter Factor Stot(c,s): Application to Small Field Dosimetry in SRS and SRT Z. Han*, S. Friesen, F. Hacker, P. Zygmanski |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-423 : "Evaluation of 6MV Photon Beam Modeled in RayStation 5 Using Vendor-Supplied Dosimetric Data" J. Borsavage*, M. Belley, R. Rodgers, M. Price |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-424 : Dose Enhancement Using Gold Nanoparticles as a Function of Tumor Size, Depth and Gold Concentration F. Cifter*, B. Zhang, E. Sajo, N. Lamichhane |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-425 : An Evaluation of Hybrid Arc and Volumetric Modulated Arc Therapy Plans for Brain Fractionated Stereotactic Radiotherapy D. To*, H. Liu, V. Gunn, W. Shi, Y. Yu, J. Li |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-426 : Comparison of Primary Off-Axis Ratios for TrueBeam Varian Accelerators A. Dimofte*, K. Hogue, J. Li, T. Zhu |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-427 : Dose Calculation Variations in AAA and Acuros-XB for Pancreatic Cancer Treatment Planning K. Harpool*, E. Schnell, T. Herman, S. Ahmad, T. De La Fuente Herman |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-428 : Dosimetric Impact of Tissue Expanders with Magnetic Port On Breast Irradiation G. Rivelli, C. Venencia*, E. Garrigo, S. Zunino |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-430 : VMAT CSI: Getting the Junction Right N. Clements*, C. Bojechko |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-431 : The Automation of the Treatment Planning System Commissioning B. Gu*, A. Wexler, M. Mutic, A. He, J. Kavanaugh, S. Goddu, S. Mutic, B. Cai |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-432 : The Definite Target Volume J. Siebers*, W. Watkins |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-433 : Validation of Photon Beam Models: Effective Test for Modeling Deficiency J. Xue*, H. Wang, P. Wu, I. Das |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-434 : CBCT Based External Radiotherapy Planning S. pal*, S. Singh |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-435 : Clinical Implementation of Acuros-XB From AAA for Breast: Changes in Plan Characteristics L. Conroy*, A. Guebert, S. Weppler, M. Alghamdi, J. Conway, L. Harper, T. Phan, I. Olivotto, W. Smith, S. Quirk |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-436 : Dosimetric Evaluation of Bilateral Hip Prostheses for RT Plan of Prostate with Different Algorithms and Calculation Conditions S. Pokharel*, S. Rana |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-437 : An Auto Planning Workflow On Pinnacle Planning System for Cervical Cancer C. Tao*, B. Liu, X. Ma, Y. Yin |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-438 : Case Study of the Impact of Incorrectly Assigned Densities in Monaco for Step-And-Shoot Planning of a Patient with a High Density Breast Expander N. Cao*, M. Lavilla, A. Kalet, L. Young, J. Kim, J. Meyer |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-439 : Effect of Beam Geometry and Number of Arcs On Integral Dose in VMAT Planning for Large Field Head and Neck and Pelvic Cancer Patients S. Srivastava*, P. Metuge, D. Pinnaduwage, N. Thawani, X. Yan, C. Ord, S. Patel, S. Mutyala, S. Sorensen |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-440 : Robustness of the Organ Doses Related to Setup Error in Helical Tomotherapy Planning of Restricted Incident Beam Angles H. Shimizu*, K. Sasaki, M. Ito, T. Aoyama, H. Tachibana, N. Tomita, C. Makita, Y. Koide, T. Iwata, T. Kodaira |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-441 : A Method for Statistical Comparison of Multiple Dose-Volume Histograms in Radiation Therapy: ROC Hypercurves M. Giri, C. Cavedon* |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-443 : Comparison Between the Dose Distribution for Original Hip Prosthesis and Indigenously Designed Bone Phantom S. Singh*, K. Jassal, U. Giri, S. pal, K. Vittal, s. osman |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-444 : Dosimetric Trade-Off Between Dose Calculation Precision and Speed for Head and Neck Plans with Large Superior and Inferior Tumor Extent M. Sands*, T. Cui, E. Murray, S. Koyfman, N. Joshi, N. Woody, P. Xia |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-445 : Dosimetric Comparison of Multi-Criteria Optimization and Direct Machine Parameters Optimization Generated VMAT Plans for Head and Neck Z. Fellows*, S. Chen, M. Guerrero, J. Snider, S. Mossahebi, K. Spaeth, N. Lamichhane |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-446 : Commissioning of An Equinox-100 Cobalt-60 Radiotherapy Unit in the Eclipse Treatment Planning System C. Jechel, T. Bulenga, C. Joshi, G. Salomons, L. Schreiner* |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-447 : Comparison of Absorbed Dose to Water of High-Energy Photon Beams Based On the IAEA IRS-277, TRS-398 and Direct Calibration in Megavoltage Photon Beams K. Wang*, S. Jin, Y. fan, X. Chang |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-448 : Feasibility of Using Octavius 4D Phantom in Dose Rate Versus Gantry Speed Test for RapidArc Commissioning B. YANG*, H. GENG, C. Cheung, A. DING, C. Kong, W. Lam, K. Cheung, S. Yu |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-449 : Constancy Check of Longitudinal Beam Profile for Helical Tomotherapy Using ArcCHECK B. YANG*, W. Wong, H. GENG, W. Lam, K. Cheung, S. Yu |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-450 : Uncertainty in Positioning Ion Chamber at Reference Depth for Various Water Phantoms N. Kinoshita*, H. Oguchi, Y. Nishimoto, T. Adachi, H. Shioura, H. Kimura |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-451 : Effect of Room Temperature in Storage On Outward Bowing of Phantom Window N. Kinoshita*, H. Oguchi, Y. Nishimoto, T. Adachi, H. Shioura, H. Kimura |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-452 : Assessing the Accuracy of IsoCal-Calibrated Image Centers On Varian TrueBeam Machines W. Du*, S. Gao, W. Jiang |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-453 : A Multileaf Collimator and Jaw Symmetry Quality Assurance Technique Using An Electronic Portal Imaging Device S. Lebron*, B. Lu, G. Yan, D. Kahler, C. Liu |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-454 : Beam Scans with High-Resolution Detectors: Impact of Detector Response On Profile Peaks and Valleys J. Duan*, E. Subashi, Y. Yang, F. Yin |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-455 : Dose Rate Constancy, MU Linearity and Profile Stability of the TrueBeam Radiotherapy System D. Jacqmin*, Z. Labby, A. Besemer, K. Schaefer |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-456 : Comparison of Two Commercially Available EPID QA Systems Tested On Two Different EPID Systems A. Alexandrian*, K. McConnell, S. Stathakis |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-457 : Investigation of a PRESAGE Three-Dimensional Dosimetry Protocol That Allows for Internal Calibration M. Carroll*, H. Lee, S. Venkataraman, G. Ibbott |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-458 : Investigation of a Novel Radiochromic Film Material for Radiotherapy Applications M. Abdel Gawad*, A. Eldib, S. Lotfy, O. Desouky |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-459 : Evaluating the Performance of Two Commercially Available Daily QA Phantoms D. Nicewonger*, N. Papanikolaou, S. Stathakis |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-460 : EPID-Based Beam Matching for Linear Accelerators B. Sun*, B. Cai, S. Goddu, B. Morgan, D. Caruthers, S. Mutic |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-461 : Comparison of Image Quality Metrics for Commercially Available EPID Solutions K. McConnell*, A. Alexandrian, S. Stathakis |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-462 : Characterization of Surface Dose for Novel Flattening Filter Free (FFF) Straight-Through Linac with Jawless MLC Collimation R. Scheuermann*, C. Kennedy, S. Anamalayil, D. Mihailidis, L. Dong, J. Metz |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-463 : Pressure Monitoring at Two Clinics Using Calibrated Barometers Vs IPhone's Barometric Sensor C. Kumaran Nair*, R. Harder, S. Dieterich |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-464 : A Transmission Detector Based On Ion Chambers as a Constancy Tool for the Quality Assurance of a Medical Accelerator A. Giuliacci*, S. Ondrej, M. David, S. Engelhardt, R. Ringler |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-465 : Efficacy of Small Water Tank Measurements and TPR Vs. PDD Data for TPS A. Jones, P. Goyer* |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-466 : A Feasibility Study of Quick MLC Position and Verification Using a Custom MATLAB GUI N. Thorne*, B. Morris, C. Yang |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-467 : Dosimetric Leaf Gap of Varian HD120 for Accurate Dose Calculation J. Kim*, J. Han, A. Hsia, Z. Xu, S. Ryu |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-468 : Quality Control in Small Fields Radiotherapy for SIEMENS ONCOR Linear Accelerators Using EGSnrc and Film Dosimetry K. Hadad*, N. Padargani, A. Mosleh-Shirazi,, R. Faghihi |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-469 : Charaterisation of a Two Dimensional Liquid Filled Ion Chamber Detector Array System in Flattened and Unflattened Photon Beams G. Krishnan*, M. Venkataraman, M. Manavalan, S. Chitra, S. Grace, V. Subramani |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-470 : Evaluation of Segment Delivery Accuracy of Gated IMRT H. Alahmad*, J. Park, G. Yan, B. Lu, C. Liu, J. Li |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-471 : Multi-Institutional Comparison of Pre-Treatment Dose Calculation Verification for CyberKnife, Vero4DRT and Tomotherapy H. Tachibana*, Y. Uchida, M. Yamashita, H. Nagata, A. Sato, R. Miyakawa, D. Maruyama, H. Okamoto, M. Nakamura, S. Kito, N. Hayashi, R. Shirata, S. Noda, H. Fukuma, T. Kojima, R. Takahashi, D. Kawai, M. Itano |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-472 : Feasibility of Using Machine Performance Check for Daily Photon Output Constancy, and Isocentricity QA B. Zhao*, Y. Huang, K. Snyder, c. liu, I. Chetty, N. Wen |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-473 : TrueBeam 5 Years Annual QA Data R. Li, T. Xue*, K. Xue, X. Song, N. Deb |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-475 : Commissioning of a Treatment Plan Couch Model Using a 3-Dimensional Dose Measurement System F. Zhang*, R. Schurr, J. Park, N. Krishnamurthy, C. Huerta Hernandez, S. Kim, A. Morrow, L. Vazquez Quino |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-476 : MLC Consistency and Patient Specific VMAT QA with Log Files R. McDermott*, A. Godley, S. Balik |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-477 : Inaccurate Source to Electronic Portal Image Distance May Cause MLC Leaf Position Test Failure H. Chen*, K. Yang, K. Huang, A. Sarkar, J. McGlade, D. Jacob, F. Mourtada |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-478 : A Simple EPID-Based Tool for Dosimetric Checks On Monthly Linac QA Y. Chen*, J. Wang, H. Zhang, P. Hu, J. Fan, W. Hu |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-479 : Ion Recombination Corrections Factor in Flattening Filter-Free and Conventional Photon Radiation B. Yang, Z. Wang*, J. Qiu |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-480 : Model Comparison for Commissioning of a Real-Time Dose Delivery Detector for a 6MV Photons Beam N. Maffei*, G. Mistretta, A. Chendi, M. Gutierrez, P. Ceroni, L. Morini, L. Boni, A. Bernabei, B. Meduri, T. Costi, F. Lohr, G. Guidi |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-481 : An Automated Method for the Verification and Quality Assurance of Treatment Planning Systems S. Oh*, D. Lee, B. Leong, Y. Wu, S. Kim, T. Kim |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-482 : Calculation for TG-51's KQ for a 2.5MV Beam S. Grzetic*, J. Woollard, N. Gupta, A. Ayan |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-483 : Monitoring of Linac Performance Via Monthly VMAT QA Measurements W. Leung*, S. Cheung, M. Wong, W. Lee, M. Chan |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-484 : Reduction in Thermal Drifts and Noise in Radiation Calorimetry Using Vacuum Insulated Panels E. Flores-Martinez*, J. Radtke, L. DeWerd |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-485 : Evaluation of Dose Redistribution Due to Deformation with 3D MRI Gel Dosimetry C. Matrosic*, I. Marsh, W. Culberson, B. Bednarz |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-486 : A Lean Truebeam Commissioning Beam Dataset for Multi-Linac Facilities-The University of Maryland Experience C. Kalavagunta*, S. Becker, A. Gopal, K. Prado |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-487 : Radiation Treatment Management for Young and Pregnant Female Patients Using Photons From Gamma Knife Perfexion and Varian TrueBeam LINAC E. Kendall*, Y. Chen, K. Hibbitts, O. Algan, L. Muller, S. Ahmad |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-488 : Skin Dose Enhancement of Topical Agents and Dressings On Skin Using Unflattened and Flattened Photon Beams in Radiotherapy K. Tse, L. Morley, A. Cashell, A. Sperduti, M. McQuestion, J. Chow* |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-489 : Investigation of the Dosimetric Equivalent Thickness of Multiple Layers of Mesh Bolus as An Alternative to Tissue-Equivalent Bolus K. Yan*, C. Able, A. Pennington |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-490 : Assessment of Irregular Surface Compensator Technique for Deep Inspiration Breath-Hold (DIBH) Left-Side Breast Radiation J. Peng*, C. Mart, M. Ashenafi, D. McDonald, N. Koch, J. Harper, K. Vanek |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-491 : A Novel Technique for the Planning and Treatment of Deep Seated Breast Cavity Boosts D. Pearson* |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-492 : Investigation of Treatment Delivery Variation Effects On Delivered Dose for Several Treatment Sites D. Defoor*, S. Stathakis, N. Papanikolaou |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-493 : Study of Basic Dosimetric Beam Characteristics of the New Tomotherapy Delivery System Radixact T. Romaguera*, J. Bennouna, U. Robins, N. Thakur, A. Gutierrez |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-494 : Performance Study of the New Delivery System Radixact Using as Benchmark Clinical Plans Generated for Tomotherapy HDA T. Romaguera*, J. Bennouna, A. Gutierrez, U. Robins, G. Luciani, C. Kozarek, N. Jafari, R. Vaden |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-496 : To Optimize the Total Treatment Delivered Time for the H&N IMRT Treatment Plan Delivered by SIEMENS Artiste G. Wu, G. Wu*, J. WONG, Y. Zheng, M. Li, Z. Gao |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-498 : Commissioning Experience for the New Gamma Beam 500 Co-60 TBI Irradiator J. Bredfeldt*, R. Zhang, E. Huynh, W. Cai, C. Williams, Y. Lyatskaya, M. Czerminska, R. Cormack |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-499 : What Is the Optimal Inflation Level of Tissue Expanders to Minimize Dose Perturbations Caused by Magnetic Port? H. amro*, E. Perevalova, B. McCabe, C. Stepaniak, D. Golden, M. Endara, B. Aydogan, A. McCall |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-500 : A Method for the Production of 3D-Printed Compensators for Superficial X-Ray Radiotherapy B. Loughery*, M. Snyder |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-501 : Flattening Filter-Free Volumetric Modulation Arc Therapy for Post-Mastectomy Breast Irradiation D. Heins*, J. Yoon, B. Guo, M. Sanders, R. Zhang |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-502 : Improving Prescription Dose Accuracy in Total Body Irradiation Using Treatment Planning System for 15 MV Beam S. Prajapati*, D. Lewis, S. Tung, R. Tailor, P. Chi |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-503 : Flattening Filter for Sliding Window IMRT Treatment Revisited C. Ma*, T. Long, M. Chen, X. Gu, S. Jiang, W. Lu |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-504 : Reduction of the Skin Surface Dose for Megavoltage Photon Beams Passing Carbon Couch M. Tamura*, H. Monzen, K. Matsumoto, M. Okumura, Y. Nishimura |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-505 : Dosimetric Advantage of IMRT Compared to VMAT for H&N Plans Using a Prototype Jawless and Fast MLC System D. Mihailidis*, R. Scheuermann, S. Anamalayil, C. Kennedy, L. Brady, L. Dong, J. Metz |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-506 : Dosimetric Impact of Immobilization Board and Couch Structures in Prone Breast Radiation A. Lau*, K. Salerno, T. Ma, I. Wang |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-507 : Potential Benefit of Dynamic Trajectory Optimization in Radiotherapy for Different Treatment Sites M. Fix*, D. Frei, W. Volken, D. Terribilini, D. Aebersold, P. Manser |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-508 : Minimizing the Heel Effect in Orthovoltage Calibrations K. McCollough*, C. Blackwell, M. Grams |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-509 : Robust Optimization Lung Treatment Plans Accounting for Geometric Uncertainty X. Zhang*, J. Penagaricano, J. Fang, G. Narayanasamy, S. Maraboyina, F. Xia, L. Peacock, C. Croft, S. Morrill |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-510 : Using High-Definition Multileaf Collimator (HDMLC) for Long Volume Treatment with Multiple Isocenter VMAT (RapidARC) C. Venencia*, Y. Schworer, E. Garrigo, F. Munoz, S. Zunino |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-511 : Different Breathing Maneuvers for DIBH During Radiotherapy for Left-Sided Breast Cancer F. ZHAO*, Z. Lu, G. Yao, S. Yan |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-512 : Radiation Dose Enhancement Using Copper Filled Carbon Nanotubes S. Ashmeg*, E. Eisenbraun, M. Fasullo, M. Afghan, J. Satti, U. Baharom |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-513 : Use and Validation of Contoured 3D-Printed Neck Compensators for Total Body Irradiation G. Baltz*, P. Chi, D. Craft, M. Peters, J. Pollard, R. Howell |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-514 : Determination of the Optimum Gating Window in Lung Lesion Patients S. Lally*, D. Pearson |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-515 : Evaluation of the Use of Abdominal Compression of the Lung, in Stereotactic Body Radiation Therapy S. Javadi*, D. Pearson, R. Palm, K. Reddy |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-516 : Partial and Full Arc Volumetric Modulated Arc Therapy in Lung Cancer Stereotactic Body Radiotherapy with Different Definitions of Internal Target Volume Based On 4D CT X. Jin*, J. Yi, C. Xie |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-517 : Removal of Motion in Liver SABR Facilitates Reduction in Liver Dose and Increase in Tumour Dose M. Gargett*, C. Haddad, J. Booth, A. Kneebone, N. Hardcastle |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-518 : Time-Weighted 4D Dose Accumulation Using a Respiratory Motion Model On Tomotherapy D. O'Connell*, D. Low, P. Lee, X. Qi |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-519 : Improved Dosimetric Accuracy Using An Innovative Phased Weighted Density Scheme for Stereotactic Lung Radiotherapy D. Mohatt*, H. Malhotra |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-520 : Tumor Control Probability in Single-Fraction Stereotactic Brain Radiation Therapy M. Sharma*, M. Cummings, M. Schell, M. Pacella, D. Rosenzweig, M. Milano |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-522 : The Effect On Therapeutic Gain of Using AXB in Replacement of AAA in HCC SBRT Treatment Planning M. Cheung*, D. Poon, V. Yeung, L. Lee, A. Chan |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-523 : The Concept of Therapeutic Efficiency and Its Application in the Evaluation of HCC SBRT Treatment M. Cheung*, D. Poon, V. Yeung, L. Lee, A. Chan |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-524 : Reliability and Reproducibility of a Diode Tool for Profile Measurement for Gamma Knife Perfexion S. Gajdos*, J. Donaghue |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-525 : Intercomparison of Three Gamma Knife Perfexions Using the Installer Diode Tool J. Donaghue*, S. Gajdos |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-526 : Preliminary Evaluation of a Reference Detector Measuring Leakage Radiation for Use in Small Field Beam Data Acquisition A. Gopal*, E. Laugeman, J. Kim, M. Dumas, Y. Huang, N. Wen, J. Shi, B. Simon, I. Chetty |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-527 : Small Field Spine Radiosurgery IMRT QA with Octavius 4D: Chamber Comparison and Beam Model Assessment Z. Wen*, X. Wang, D. Luo, E. Han, T. Briere, J. Yang |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-528 : Quality Assurance for GammaPod: A Novel Dedicated Breast Stereotactic Radiosurgery Device S. Becker*, Y. Niu, Y. Mutaf, K. Prado, C. Yu, B. Yi |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-529 : CdSe@CdS Core-Shell Quantum Dots for Radiation Detection and Dosimetry E. Guidelli*, L. da Silva França, Y. Shen, L. Oliveira, O. Baffa, K. Jensen |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-530 : Cellular Level Microdosimetry Using Raman Spectroscopy J. Mirza*, S. Park, W. Sung, J. Lee, S. Ye |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-531 : Performance Comparison of IRIS I and IRIS II Variable Aperture Collimators On A Cyberknife System W. Jiang*, S. Sharma, C. Lin, Y. Feng |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-533 : Experimentally Quantification of Interplay Effect for Lung SBRT with VMAT E. Sandrini*, C. Silva, A. da Silva |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-534 : Development of a Mobile Device Based Film Dosimetry System M. Zhang*, X. Wang |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-535 : EBT-XD Gafchromic Films for Multiple Mets Intra-Cranial VMAT SRS Dosimetric Verification A. Hussain*, A. Hudson, N. Ploquin |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-536 : Design of a Daily QA Constancy Phantom for Cyberknife M6 Robotic Radiosurgery System R. Holla*, B. Pillai, D. Khanna |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-537 : Patient Specific QA On Cyberknife M6 Robotic Radiosurgery System Using In-House Fiducial Based Polystyrene Phantom R. Holla*, B. Pillai, D. Khanna |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-538 : Impact of Region of Interest Size and Location in Gafchromic Film Dosimetry N. Gholizadeh Sendani, C. Ferreira, P. Alaei* |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-539 : Dosimetric Validation of Mask-Based Stereotactic Gamma Knife Radiosurgery Using Pseudo in Vivo 3D Dosimetry: End-To-End SRS Quality Assurance K. Osterman*, P. Storey, E. Pappas, D. Kondziolka, J. Silverman, I. Das, A. Xu, J. Xue, K. Han, S. Lymberis |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-540 : Characterization and Application of Bubble Detector for Photo-Neutron Dose Measurement in Elekta Versa HD Medical Accelerator H. sahib, B. Ganesan*, N. Sekar, T. Lakshminarayanan, S. Jagadeesan, A. Prakasarao, M. D.K, M. Murugan, G. Singaravelu |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-541 : Comparison & Characterization of Radio Films with Thermoluminescent Dosimeters S. Venkatesan, B. Ganesan*, N. Sekar, H. sahib, A. Prakasarao, G. Singaravelu |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-542 : On the Quality of Photon Beam Data Acquisition for Radiation Therapy Beam Modeling Using a New Commercially Available Water Tank System S. Stathakis*, A. Alexandrian, C. Kabat, H. Parenica, K. Rasmussen, N. Kirby, D. Saenz, N. Papanikolaou |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-543 : Cross-Comparison of Three Radiochromic Film Imaging Systems K. Alexander, T. Olding, L. Schreiner* |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-544 : Evaluation of the Accuracy of a Six Degree of Freedom Robotic Couch Using Optical Surface and Conebeam CT Images of An SRS QA Phantom Q. Zhang*, Y. Chen, J. Zhang, Y. Cao, E. Klein |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-545 : Low Measurement Variation Small Field Dosimetry: A Practical Method to Measure Dose Area Products (DAP) M. Held*, A. Sudhyadhom |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-546 : Implementation of An In-House Radiochromic Film Dosimetry Software for Patient Specific Treatment Plan Quality Assurance R. Schurr*, J. Park, S. Kim |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-547 : Portal Dosimetry for SRS/SBRT Patient Specific Plan Quality Control R. Zakikhani*, H. Lee, C. Able |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-548 : Machine Specific Quality Assurance Procedure for Stereotactic Treatments with Dynamic Couch Rotations B. Wilson*, E. Gete |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-549 : Characterization of Spectral Changes in Light Guides Used for Scintillation Dosimetry in Linear Accelerator Based Measurement Geometries E. Simiele*, W. Culberson, L. DeWerd |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-550 : Experimental Study of Humidity Effect On Charge Measurement of An Ionization Chamber in Clinical High-Energy Photon Beams Y. Sato*, M. Shimizu, Y. Morishita, M. Sato, M. Hoshina |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-551 : Synthesis & Characterization of Gd3+ Doped Hafnium Oxide Nanoparticles for Neutron Detection N. Sekar, B. Ganesan*, H. sahib, A. Prakasarao, M. D.K, G. Singaravelu |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-552 : Using the Installer Diode Tool to Track Stability of a Gamma Knife Perfexion J. Donaghue*, S. Gajdos |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-553 : Use of a Commercial Ion Chamber Detector Array for the Measurement of High Spatial Resolution Photon Beam Profiles V. Karimnia*, M. Belley, R. Rodgers, M. Price |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-554 : Small Field Output Factor Measurement Using A-Si1200 DMI Panel D. Barbee*, I. Das |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-555 : A Novel High-Resolution Quality Assurance Phantom System for Modulated Arc Stereotactic Body Radiation Therapy T. Knewtson*, A. Wiles, K. Brink, E. Izaguirre |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-556 : Development of a Portable Graphite Calorimetry System for the High Energy Photon Beam J. Chung, I. Kim, J. Kim, K. Park, C. Yi, B. Kim* |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-557 : Intercomparison of Patient-Specific IMRT QA Devices for Small-Field, Stereotactic VMAT Treatments Using Gamma Index Analysis D. Alvarez*, D. Wieczorek, V. Mishra, A. Gutierrez |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-558 : Validation of a Commercially Available, ASi QA Device for the Verification of Aperture Size in the CyberKnife Iris Collimation System D. Alvarez*, A. Acha, V. Mishra, A. Gutierrez |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-559 : Re-Irradiation Of The Prostate Utilizing 120 Leaf MLC On A TrueBeam Linac T. Smith, S. Klash*, C. Matthews |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-560 : A Study On Beam Reduction of Circular Aperture Based Robotic Radiotherapy Treatment Planning B. Liang*, B. Liu, Y. Li, B. Guo, X. Xu, R. Wei, F. Zhou, Q. Wu, S. Xu, J. Piao, H. Xu |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-561 : Creating Plans with the Benefits of the Conformal Arc Technique in the RayStation Treatment Planning System N. Staley*, D. Pearson |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-562 : Poor Man's Knowledge-Based Planning for Solitary SRS Brain and SBRT Lung Lesions O. Blasi, O. Blasi*, K. McCullough, K. Lofton |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-563 : Comparison of Optimization Methods for Stereotactic Radiosurgery (SRS) of Brain Metastases D. Wiant, J. Maurer, B. Sintay, K. Pearman, Q. Shang, T. Hayes, H. Liu* |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-564 : Treatment Plan Comparison of Normal Tissue Objective Vs. Customised Stereotactic Radiosurgery Normal Tissue Objective for Multiple Target Radiosurgery P. Houston*, P. Houston, s. smith |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-565 : Comparison of Plan Quality Using RapidPlan and a Multi Criteria Optimisation Tool for Lung SABR s. smith*, G. Currie, R. Valentine |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-566 : Non-Coplanar Volumetric-Modulated Arc Therapy Versus Proton Experiences with Planning, Quality Assurance and Delivery for Skull Base Tumors J. Syh*, G. Schimke, M. Waddell |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-567 : Magnetic Field Dose Effects On Robustness of Dose Delivery for Lung Stereotactic Body Radiation Therapy A. Kim*, S. Al-Ward, C. McCann, P. Cheung, A. Sahgal, B. Keller |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-568 : Retrospective Dosimetric Analysis of Brain Lesions Treated with Conformal Arc Stereotactic Radiosurgery J. Leasure*, V. Ulizio, D. Pearson |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-569 : A No-Measurement QA for Single Isocenter Multiple Brain Lesion SRS Plans J. Ho* |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-570 : SRS Plan Quality and Treatment Efficiency: VMAT Vs Dynamic Conformal Arcs S. Gros*, A. Plypoo, A. Sethi |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-572 : Clinical Utility of Conformity Indices for Brain and Lung SBRT Plans G. Warrell*, Z. Xu, S. Lee, T. Biswas, M. Machtay, T. Podder |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-573 : Dosimetric Comparison of Multiplan and Eclipse Planning Systems for the Stereotactic Body Radiotherapy Treatment of Prostate Cancer f. li*, c. Ozhasoglu, d. clump, d. heron, r. Lalonde, M. Huq |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-574 : Isodose Volume Comparison of Two Common Volume Derivation Methods J. Leasure*, V. Ulizio, D. Pearson |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-575 : Explore the Dosimetric Impact of the Prescription Isodose Line (IDL) On the Quality of Robotic SRS Plans Q. Xu*, J. Fan, S. Asbell, J. Park, G. Kubicek |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-576 : Dosimetric Accuracy for Lung and Brain SBRT VMAT Plans Delivered by Two Beam-Matched Linacs Z. Xu*, G. Warrell, S. Lee, V. Colussi, Y. Zheng, T. Podder |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-577 : Knowledge Based Planning: Standardization of Stereotactic Radiotherapy Treatment Plans Using An Ensemble Mapping in a Large Volume Library Plans B. Sarkar* |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-579 : Improvement of Conformal Arc Plans By Using Deformable Margin DelineationTechnique in Stereotactic Body Radiotherapy G. GUNGOR*, M. DEMÄ°R, G. AYDIN, B. ATALAR, B. YAPICI, E. OZYAR |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-581 : Dosimetric Verification of Elekta Agility in Brainlab IPlan RT Dose M. Florijn*, I. Rüssel, J. van Egmond, R. Wiggenraad, J. van Santvoort, A. Petoukhova-Boutaeva |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-583 : Single-Isocenter Dual-Target Lung SBRT: Dosimetric Sensitivity to Rotational Offsets Y. Yang*, E. Subashi, J. Duan, F. Yin, J. Cai |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-584 : Evaluation of Acuros XB Algorithm for Lung SBRT Using Flattening Filter Free E. Sandrini*, A. da Silva, C. Silva |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-585 : Chest Wall Dosimetry Using Non-Coplanar Volumetric Modulated Arc Radiotherapy for Lung Stereotactic Ablative Radiotherapy S. Yu*, P. Maxim, M. Gensheimer |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-586 : Evaluation of Treatment Planning System Dose Calculation in Irregular Rectangular Small Fields A. Qureshi*, N. Sperling |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-587 : Dosimetry Comparison of Gamma Knife and Linac Based External Beam SRS C. Klinker, C. Jett, C. Barney, E. Allan, N. Gupta, L. Lu* |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-588 : Monitor Unit Correction of Homogeneous Treatment Planning in Lung SBRT Patients with Very-Low Lung Density M. Petronek*, M. Sands, T. Zhuang, A. Magnelli, P. Qi, S. Balik |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-589 : Effect of the Maximal PTV Dose Constraint On the SRS Plan Quality for the Single Isocenter-Multiple-Target (SIMT) Technique K. Joseph*, J. Baker, Y. Ahmed, J. Antone, L. Vijeh, J. Alfaro, J. Chang |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-590 : Comparative Analysis of Pencil Beam and Monte Carlo Based Algorithms for Thoracic Spine Stereotactic Body Radiation Therapy (SBRT) R. Badkul*, H. Jiang, H. Saleh, F. Wang, A. Chen, C. Lominska |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-591 : Experimental and Monte Carlo Investigation of Dose Calculation Accuracy for Lung SBRT Planning J. Rosenfield*, N. Manohar, X. Yang, X. Dong, E. Elder, K. Higgins, A. Dhabaan |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-592 : Scalp Dose Measurement for Single Fraction Stereotactic Radiotherapy Patients S. Singh*, K. Jassal, B. Sarkar, U. Giri, S. pal, K. Vittal, s. osman |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-593 : Cranial Multi-Metastases SRS Commissioning with M120 MLC S. Lim*, L. Kuo, X. Li, A. Ballangrud, T. LoSasso |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-594 : Comprehensive Commissioning and Validation of Transport Based Dose Computation for Stereotactic Body Radiation Therapy (SBRT) V. Rodriguez*, F. Reynoso, R. Morris, M. Reilly, R. Kashani, P. McGeachy, R. Zavan, R. Khan |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-595 : Evaluation of Dose to Spinal Cord for SBRT Spine Patients and the Role of MRIs J. Muenkel*, D. Pearson |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-596 : Lung Density Threshold Analysis for Clinical Acceptability When Using Homogeneous Dose Calculation for Lung SBRT Patients M. Sands*, M. Petronek, T. Zhuang, A. Magnelli, P. Qi, K. Stephans, G. Videtic, S. Balik |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-597 : ITV Margin Reduction Technique for Abdominal SBRT Treatment L. Jin*, J. Fan, L. Chen, R. Price, J. Meyer, A. Eldib, C. Ma |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-598 : Reporting Dose-To-Water (Dw) Vs Dose-To-Medium (Dm) of the Acuros-XB Algorithm in the Treatment of Lung Stereotactic Body Radiosurgery/radiotherapy D. Pokhrel*, D. Cheek, E. Johnson, J. Molloy |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-599 : Dosimetric Impact of Four Dose Calculation Algorithms On Stereotactic Body Radiation Therapy for Lung Cancer T. Kusunoki*, M. Kurooka, T. Nonaka, S. Yoshino, K. Shioiri, S. Ide, Y. Nakayama |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-601 : Comparing the Planned Dose Distributions in CyberKnife Treatments for Intracranial Tumors Between Ray-Tracing and Monte-Carlo Algorithms W. Jiang*, S. Sharma, Y. Feng, B. Tonner |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-602 : Feasibility of a Novel Method for Single Isocenter Treatment of Multiple Brain Metastases Patients S. Jupitz*, S. Braunstein, L. Ma, A. Perez-Andujar |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-603 : A Test Suite for Optimization and Verification of MLC Treatment Planning System Modeling R. Popple*, M. Barnes, E. Covington, K. Farrey, J. Moran, M. Perez, D. Raxter, T. Ritter |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-604 : Volume Effects in Radiosurgical Spinal Cord Dose Tolerance: How Small Is Small? J. Grimm*, K. Redmond, K. Wang, T. Hooker, J. Jackson, L. Kleinberg |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-605 : Assessment of Skull Measurement for Deformed Skull Contours in Gamma Knife Radiosurgery N. Gopishankar*, R. BISHT, D. Agrawal, S. KALE, A. MAHAPATRA |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-606 : Multi-Stage Stereotactic Radiosurgery Technique for Large Liver Tumor Using the Cyberknife System C. Ding*, M. Folkert, J. Meyer, S. Jiang, R. Timmerman |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-607 : Influences of Optimization Grid Size to Leaf Open Time Histogram in NSCLS SBRT Using Helical Tomotherapy J. Gu* |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-608 : A Novel Hybrid Planning Strategy for Stereotactic Body Radiation Therapy of Early Stage Non-Small-Cell Lung Cancer H. Liu*, T. Hayes, Q. Shang, K. Pearman, B. Sintay, J. Maurer, D. Wiant |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-609 : How Does the Choice of Prescription IDL Affect Dose Gradient, Target Coverage, Treatment Time and Ease of Planning for GK Radiosurgery P. Johnson*, M. Monterroso, F. Yang |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-610 : Plan Quality Comparison of Brain Metastasis Treated On Gamma Knife Perfexion and Volumetric Modulated Arc Therapy M. Adili*, B. Muhammad, A. Alhamad, S. Bamajboor, A. Zaila |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-611 : Evaluation of Leaf Position and Irradiation Accuracy for Two Different Multileaf Collimators Equipped On CyberKnife J. Suzuki*, H. Takahashi, K. Hamajima, M. Niwa, Y. Ohashi, T. Okuda |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-612 : Commissioning of Brainlab IPlan On TrueBeam STx for 6MV with High-Definition MLCs C. Yu*, G. Cui |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-613 : The Effect of Beam Interruption When Implementing Deep Inspiration Breath Hold During Volume Modulated Arc Stereotactic Body Radiation Therapy S. Oh*, B. Lewis, A. Watson, S. Kim, T. Kim |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-614 : Dosimetric Comparison Between Single Isocenter Brain Metastases Treatment Using Dynamic Conformal Arcs (Elements) and VMAT (RapidARC) C. Venencia*, R. Morais Cardozo, M. Almada, G. Rivelli, E. Garrigo, P. Castro Peña |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-615 : Impact On Clinical Workflow of Volume Modulated Arc Stereotactic Body Radiation Therapy (VMAT-SBRT) B. Lewis*, E. Fields, S. Kim, T. Kim |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-616 : Can Radiosurgery Follow Standard Workflow in a Clinic? C. Saw*, C. Gillette, C. Peters, L. Koutcher |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-617 : Investigating Beneficial Capabilities Achievable by a Rotating Gamma Ray System in Stereotactic Body Radiation Therapy A. Eldib*, M. Fareed, J. Fan, J. Li, L. Chen, M. Sherif, M. Abdel Gawad, C. Ma |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-618 : Exploring the Dosimetric Advantage of a Novel Rotating Gamma Machine Equipped with Both MLC and Multiple Cone Colimators A. Eldib*, I. Veltchev, T. Lin, R. Price, G. Mora, M. Abdel Gawad, M. Sherif, C. Ma |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-619 : Dosimetric Validation of Single Isocenter VMAT for Multi-Lesion SRS/SRT Treatment N. Neba*, N. Demez, Y. Altundal |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-620 : A Characterization of a Commercially Available Add-On Collimator with Stereotactic Cones On Rails H. Parenica*, C. Kabat, K. McConnell, A. Alexandrian, K. Rasmussen, N. Papanikolaou, S. Stathakis |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-621 : A Method to Improve Accuracy and Workflow of Single Isocenter Volumetric Modulated Arc Therapy (VMAT) for Frame-Based Radiosurgery of Multiple Metastases K. Ahn*, M. Malin, K. Yenice, N. Ozturk, B. Smith, K. Slavin, M. Koshy, B. Aydogan |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-622 : Dosimetric Characterization of a High Throughput Multiple Brain Metastases Gamma Knife Program Y. Lee*, A. Sarfehnia, B. Chugh, C. Yeboah, H. Soliman, S. Myrehaug, C. Tseng, M. Tsao, L. Holden, A. Sahgal, M. Ruschin |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-623 : A Characterization of LinaTech New Mini-MLC D2SRS C. Kabat*, H. Parenica, N. Kirby, K. Rasmussen, D. Saenz, N. Papanikolaou, S. Stathakis |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-624 : Dosimetric Impact of Rotational Shift in the Lung SBRT M. Lee, S. Mossahebi*, K. Prado, F. Cifter, B. Yi |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-625 : Very Small MLC-Defined Arcing Fields: Accuracy of Planning and Delivery I. Brezovich*, X. Wu, R. Popple, S. Shen, E. Covington |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-627 : Efficiency of Flattening Filter Free Beam in Volumetric Modulated Arc Therapy for LIVER and Lung SBRT Plans S. Andavar*, V. Roshan, A. Dhiman, J. Singh |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-628 : A Comparison Between Flattening-Filter-Free and Flattenedmodes for LINAC-Based Trigeminal Neuralgia SRS D. Zheng*, S. Wang, C. Zhang, Q. Fan, V. Verma, R. Ma, S. Zhou |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-630 : SRS for Treating Multiple Brain Metastases Using CyberKnife After Whole Brain Irradiation P. Desai*, B. Caroprese, J. Gilroy, N. Andrade |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-632 : Measurement of Stray Radiation Around a Mobile Electron Accelerator for Intraoperative Radiotherapy H. Liu*, H. Hua, J. Wu, S. Lu |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-633 : Android App for Converting Smartphone to Individually Calibrated Dosimeter J. Joseph, A. Sebastin*, W. Michael Raj, P. Ravindran, R. SINGH |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-634 : Retrofitting Old Linac Vaults to Safely and Efficiently Accommodate Newer Technologies C. Bojechko*, A. Hudson, N. Ploquin |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-635 : Digoxin Mediated Electromagnetically Induced Targeted Osmotic Lysis in Cancer Cells P. Maggi*, K. Matthews, R. Subramanian, W. Monroe |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-636 : Bacterial Exposure to Low Dose Radiation Followed by a High Dose Can Threaten Effective Treatment of Infections Through Inducing Adaptive Responses S. Mortazavi*, M. Taheri, b. karari, F. Habibi, M. Zehtabiyan |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-637 : Inferring In-Vivo Prostate and Rectum α/β Values From Clinical Data R. Price*, Y. Dong, T. Shaikh, C. Ma |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-638 : Study On the Dependence of Dose Enhancement On the Cluster Morphology of Gold Nano Particles in Radiation Therapy Using Body Centered Cubic Model S. Ahn*, K. Chung, Y. Han, H. Park, D. Choi, D. Lim |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-639 : Radiotherapy and Chemotherapy Promote Metastasis Before Cell Death by Altering Cell Mechanical Properties N. Zetocha, B. Lee, S. Prathivadhi-Bhayankaram, M. Mimlitz, A. Ekpenyong* |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-640 : Minimizing the Side Effects of Radiotherapy and Chemotherapy by the Use of Graphene Oxide Nano-Flakes D. Toomeh*, W. Ngwa |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-641 : Testing a Tomographic Ultrasound System for Use in Small Animal Radiotherapy Guidance: A Feasibility Study D. Granville*, G. O'Connell, J. Butler, M. Harlacher, J. Perdomo, T. Czernuszewicz, P. Tsouchlos, T. Kanesalingam, R. Gessner |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-642 : Dosimetric Verification and Commissioning for A Small Animal Radiation Research Platform Y. Wang*, S. Lin, Y. Na, P. Black, C. Wu, S. Cheng, E. Connolly, C. Wuu |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-643 : Characterization of a Novel X-Ray Attenuation Phantom for Radiobiology Irradiators N. Viscariello*, W. Culberson, J. Micka, L. DeWerd |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-644 : In Vivo Studies On the Pulsed Low-Dose-Rate Radiotherapy for the Treatment of Prostate Cancer B. Wang*, D. Cvetkovic, X. Chen, L. Chen, W. Luo, C. Ma |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-645 : Linear Accelerator-Based, Submillimeter Treatment Technique: Can We Reproduce Microbeam Radiobiology Experiments Using a Common Radiotherapy Accelerator? R. Shaw*, D. Siergiej, R. Goodman, R. Selwyn |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-646 : The Evaluation of Dosimetric and Cancer Viability Difference Following In Vitro Irradiation B. Rogers*, C. Ferreira, E. Ehler, J. Lawrence |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-647 : Optimal Delivery Time and Distribution of Photosensitizer in Pancreatic Cancer for Photodynamic Therapy Ablation P. Vincent*, B. Pogue, M. NIeskoski, R. Xie, K. Marra |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-648 : Investigation of the Glycolytic Oscillator in Cancer Cells L. Che Fru*, M. Kissick |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-649 : Integrated Spatial and Temporal Stochastic Model for Computational Radiation Biology: A Case Study On Radiotherapy for Vascular Tumor R. Liu*, K. Higley |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-650 : Validation of Geant4-DNA/TOPAS-NBio Simulations of Water Radiolysis Induced with Monoenergetic Electrons, Protons and Alpha Particles J. Ramos-Mendez*, J. Perl, J. Schuemann, H. Paganetti, A. McNamara, K. Held, B. Faddegon |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-651 : CPOP: An Open-Source C++ Cell Population Modeler Combined to Geant4 Simulations for Radiation Biology L. Maigne*, H. Payno, G. Fois, F. Smekens, E. Débiton, F. Degoul |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-652 : Tumor Control Probability Calculation for Short and Long Course of Rectum Cancer M. Dalila, O. Pares, G. Mora*, M. Ferreira, I. Espinoza |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-653 : TheSMp TCP/NTCP Calculation Methodologies for Radiotherapy, Brachytherapy and Radiationprotection T. Frometa*, S. Jang, A. Pyakuryal, T. Sio, E. Frometa |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-654 : Towards a Multiscale Model of Vascular Dose for the Whole Brain W. Donahue*, W. Newhauser |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-655 : Computational Model of Observed Heterogeneity in Bone Metastases M. Turk*, U. Simoncic, A. Roth, D. Valentinuzzi, R. Jeraj |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-656 : A Dynamic Model for Radiobiological Response of Spinal Cord to Radiation Damage J. Li*, M. Chan, C. Shi |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-657 : Mechanistic Modeling of DNA Repair and Cellular Survival Following Radiation and Temozolomide for Glioblastoma Multiforme Cells H. Oesten*, A. Jakob, A. Luehr, C. von Neubeck, C. Grassberger, S. McMahon, H. Paganetti, W. Enghardt, M. Krause |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-658 : Examination of Dose Volume Effects of Intensity Modulated Radiation Therapy (IMRT) Planning: Toward Biologically Conformal Optimization M. Chao*, J. Wei, Y. Yuan, G. Narayanasamy, Y. Lo, J. Penagaricano |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-659 : Monte Carlo Simulation of Dose Enhancement in Gold Nanoparticle Mediated Radiation Therapy S. BASHIR*, z. koreshi |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-660 : Metal Filled Carbon Nanotubes for Targeted Radiotherapy: A Feasibility Study S. Ashmeg*, E. Eisenbraun |
3:00 PM - 6:00 PM Sunday |
SU-I-GPD-T-661 : Actinium-225 Labeled Antibody Therapy Micro-Scale Dosimetry in a Murine Model and Predicted Dosimetric Impact for Human Clinical Use A. Josefsson, J. Nedrow, S. Park, F. Bruchertseifer, A. Morgenstern, G. Sgouros, R. Hobbs* |