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Keywords: Monte Carlo
BReP-SNAP-I-44Scatter Correction of Sparsely Acquired 4D Cone-Beam CT by Bayesian Monte Carlo Extrapolation
S Blake*, O Dillon, R O'Brien, ACRF Image-X Institute, The University of Sydney, Eveleigh, NSW, Australia
BReP-SNAP-M-42Comparison of Accuracy and Performance of Monte Carlo Dose Calculations Involving Magnetic Fields: ARCHER VS. TOPAS
L Mao1*, K Sheng2, Q Cheng3, H Yang3, J Wang4, X Pei1, X Xu1,3, (1) University Of Science And Technology Of China, Hefei, CN, (2) University Of Carlifornia, Los Angeles, CA, (3) Rensselaer Polytechnic Institute,Troy,NY,(4) MD Anderson Cancer Center, Houston, TX,
BReP-SNAP-M-50Deep Learning Techniques in Microdosimetry: Using Conditional Generative Adversarial Networks to Predict Energy Deposition On Cellular Length Scales
I Mansour*, R Thomson, Carleton Univ, Ottawa, ON
BReP-SNAP-M-60Development of a New Prompt Gamma Ray Detection System to Achieve Range Verification in Full 3 Dimensions for Pencil-Beam Scanning Proton Therapy
C Panaino1,2*, R Mackay1,2, K Kirkby1,2, M Taylor1,2,(1) Division Of Cancer Sciences, School Of Medical Sciences, Faculty Of Biology, Medicine and Health, the University of Manchester, Manchester, GB (2) Proton Beam Therapy Centre, The Christie NHS Foundation Trust, Manchester, GB
BReP-SNAP-M-70ExacTrac Imaging Dose for Real Time Tumour Monitoring of Lung SBRT Patients Using Monte Carlo Simulation
A Spurway1*, M Sattarivand2, (1) Nova Scotia Health Authority, Halifax, NS, CA, (2) Nova Scotia Cancer Centre, Halifax, NS, CA
BReP-SNAP-M-79GPU-Based Acceleration of MV-CBCT Simulation
M Shi1,2*, M Myronakis2, M Jacobson2, M Lehmann3, D Ferguson2, P Baturin4, P Huber3, R Fueglistaller3, T Harris2, I Valencia Lozano2, C Williams2, D Morf3, R Berbeco2, (1) University of Massachusetts Lowell, Lowell, MA, (2) Brigham and Women's Hospital & Dana Farber Cancer Institute & Harvard Medical School, Boston, MA, (3) Varian Medical Systems, Baden, Switzerland, (4) Varian Medical Systems, Palo Alto, CA
BReP-SNAP-M-88Improving the Accuracy of Bone Marrow Dosimetry Using the MIRD Phantom
K Ferrone1,2*, C Willis1, J Ma1, L Peterson3, F Guan1, S Kry1, (1) MD Anderson Cancer Center, Houston, TX, (2) The Aerospace Corporation, Houston, TX (3) Houston Methodist Research Institute, Houston, TX
BReP-SNAP-M-101Monte Carlo Investigation of the Radio-Enhancement Effects Produced by a Gadolinium-Based Nanoparticle (AGuIX)
R Maschmeyer1*, H Byrne1, A McNamara2, G Le Duc3, O Tillement3,4, F Lux3,4,5, Z Kuncic1, (1) The University of Sydney, Sydney, Australia, (2) Massachusetts General Hospital & Harvard Med. Sch., Boston, MA, (3) NH TherAguix, Lyon, France, (4) Universite Claude Bernard Lyon 1, Lyon, France, (5) Institut Universitaire de France, France
BReP-SNAP-T-1169Yb-Based Intensity Modulated Brachytherapy for Head & Neck Cancers
G Famulari1*, K Sultanem1;2, M Duclos1;3, S Abbasinejad Enger1;2;3;4, (1) McGill University, Montreal, QC, CA, (2) Sir Mortimer B. Davis Jewish General Hospital, Montreal, QC, CA, (3) McGill University Health Centre, Montreal, QC, CA, (4) Research Institute of the McGill University Health Centre, Montreal, QC, CA
BReP-SNAP-T-34D Monte Carlo Based Patient-Specific Dose Reconstruction Incorporating Surface Motion Measurements
M Shiha1*, J Cygler1,2, R Macrae2, S Gholampourkashi2, E Heath1, (1) Carleton Univ, Ottawa, ON, CA, (2) The Ottawa Hospital Cancer Centre, Ottawa, ON, CA,
BReP-SNAP-T-4A Beamlet-Free Algorithm for Efficient Optimization of Proton Therapy Plans Based On Monte Carlo Simulations
K Souris1*, A Barragan Montero1, G Buti1, M Cohilis1, S Wuyckens1, G Janssens2, E Sterpin1,3, J Lee1, (1) UCLouvain / MIRO, Brussels, Belgium, (2) IBA s.a., Louvain-la-Neuve, Belgium, (3) KULeuven, Leuven, Belgium
BReP-SNAP-T-13A Monte Carlo and Film-Based Methodology for Direct EPID Image-To-Dose Calibration
J Renaud*, B Muir, National Research Council Canada, Ottawa, ON
BReP-SNAP-T-20Acceleration of Monte Carlo Radiation Dose Simulations Using Deep Learning: Proof of Principles for CT and Radiotherapy Dosimetry
Z Peng1*, H Shan2, T Liu3, X Pei4, Z Jieping5, G Wang6, X Xu7, (1) University of Science and Technology of China, Hefei, (2) Rensselaer Polytechnic Institute, Troy, NY, (3) Massachusetts General Hospital, Boston, Ma, (4) University of Science and Technology of China, Hefei, (5) The First Affiliated Hospital, University of Science and Technology of China, Hefei, (6) Rensselaer Polytechnic Institute, Troy, NY, (7) Rensselaer Polytechnic Institute, Troy, NY
BReP-SNAP-T-25An Optimized Detector for Daily Quality Assurance Measurements of Magnetic Resonance Image Guided Radiation Therapy (MRgRT) Treatment Units
B Muir*, M McEwen, J Renaud, National Research Council, Ottawa, ON
BReP-SNAP-T-26Analytical Modeling of the Parameters of a Multileaf Collimator for Monte Carlo Dose Simulations in Radiotherapy
J Martins1*, S Neppl2, A Alhazmi1,4, J Fleckenstein3, G Dedes1, M Reiner2, C Belka2, K Parodi1, S Veloza1,5, (1) Ludwig-Maximilians-Universitaet Muenchen, Garching b. Muenchen, DE, (2) University Hospital, LMU Munich, Munich, DE, (3) University Medical Center Mannheim, University of Heidelberg, Mannheim, DE, (4) Currently at: King Saud University Medical City, Riyadh, SB, (5) Currently at: Universidad Nacional de Colombia, Bogota, CO
BReP-SNAP-T-33Characterization of Novel Ferrofluid for Intraocular Photon Shielding by Monte Carlo and Film Dosimetry Methods
C Oare*, C Ferreira, Y Watanabe, B Gerbi, University of Minnesota, Minneapolis, MN
BReP-SNAP-T-56Enhancing Efficiency of a Treatment Planning Process for Mixed Beam Radiotherapy Towards Clinical Usability
S Mueller1*, A Schoch1, N Torelli1, A Duetschler1, M K Fix1, D Henzen1, A Joosten1, D M Aebersold1, M F M Stampanoni2, P Manser1, (1) Inselspital, Bern University Hospital, and University of Bern, Bern, CH, (2) ETH Zurich and PSI, Villigen, CH
BReP-SNAP-T-60Estimation of Cable Leakage of Ionization Chamber in Megavoltage Photon Beam by Monte Carlo Simulation and Theoretical Analysis
R Yamauchi1,2*, M Igari3, Y Kasai4, M Hariu5, Y Suda6,2, T Kawachi7, T Katayose7, N Mizuno1, R Miyasaka7, H Saitoh2, (1) St. Lukes International Hospital ,Tokyo, JP, (2) Tokyo Metropolitan University, Tokyo, JP, (3) Saitama Medical University International Medical Center, Saitama, JP, (4) National Hospital Organization Tokyo National Hospital, Tokyo, JP, (5) Saitama Medical University Saitama Medical Center, Saitama, JP, (6) Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital, Tokyo, JP, (7) Chiba Cancer Center, Chiba, JP,
BReP-SNAP-T-66Feasibility of Proton Beam Delivery at Ultra-High Dose Rate FLASH Using a Gantry-Mounted Clinical Synchrocyclotron
A Darafsheh1*, Y Hao1, T Zwart2, M Wagner2, C Catanzano2, J Williamson1, N Knutson1, B Sun1, S Mutic1, T Zhao1, (1) Washington University School of Medicine, St. Louis, MO, (2) Mevion Medical Systems, Littleton, MA
BReP-SNAP-T-95Laser-Like X-Ray Sources for a New Stereotactic Radiotherapy Paradigm
E Simiele*, D Breitkreutz, D Capaldi, L Skinner, Stanford University, Stanford, CA
BReP-SNAP-T-124Single Cell Model with Complete Human Genome Using Geant4-DNA to Quantify Direct and Indirect Action Double-Strand Breaks
X Zhao*, R Liu, T Zhao, F Reynoso, Washington University in St. Louis, St. Louis, MO
BReP-SNAP-T-134Update of the Carleton Laboratory for Radiotherapy Physics (CLRP) Dosimetric Database for Eye Plaque Brachytherapy with Photon-Emitting Sources
H Safigholi1*, Z Parsons1, S Deering1, R Thomson1, (1) Carleton Laboratory for Radiotherapy Physics, Department of Physics, Carleton University, Ottawa, ON, CA
BReP-SNAP-T-135Update of the CLRP TG-43 Parameter Database for Brachytherapy Sources
H Safigholi1*, M J P Chamberland1,2, R E P Taylor1,3, C H Allen1, M P Martinov1, D W O Rogers1, R W Thomson1, (1) Carleton Laboratory for Radiotherapy Physics, Department of Physics, Carleton University, Ottawa, ON, CA (2) The University of Vermont Medical Center, Burlington, VT, USA (3) Multi Leaf Consulting, Port Elgin, ON, CA
BReP-SNAP-T-136Using a Novel Hybrid Computational Phantom to Calculate Out-Of-Field Dose and Equivalent Dose in Proton Therapy
E Kollitz1*, H Han2, C Kim2, M Riboldi1, F Kamp3, W Newhauser4, G Dedes1, K Parodi1, (1) Ludwig Maximilian University of Munich, Munich, DE, (2) Hanyang University, Seoul,KR, (3) Hospital of the Ludwig Maximilian University of Munich, Munich, DE,(4) Louisiana State University, Baton Rouge, LA,
BReP-SNAP-T-142Monte Carlo Simulations of Minibeam Therapy with Protons and Carbon Ions
D Strauss*, J Eley, Vanderbilt University School of Medicine, Nashville, TN
BReP-SNAP-T-144Reducing Dose to Uninvolved Rectum with Dynamic Shield Intensity Modulated Brachytherapy
M Morcos1,2*, T Vuong3,5, S Abbasinejad Enger1,3,4,5, (1) Medical Physics Unit, McGill University, Montreal, QC, Canada, (2) Johns Hopkins Medicine, Baltimore, MD, USA, (3) Department of Oncology, McGill University, Montreal, QC, Canada, (4) Research Institute of the McGill University Health Centre, Montreal, QC, Canada, (5) Lady Davis Institute for Medical Research, Jewish General Hospital, Montreal, QC, Canada
BReP-SNAP-T-150Streamlined Four-Dimensional CT Dose Calculation Using a GPU-Based Monte Carlo Simulation for Pencil Beam Scanning Proton Therapy
J Shin*, H Paganetti, Massachusetts General Hospital, Boston, MA
MO-EF-TRACK 3-2Development of a Megavoltage Photon FLASH Radiotherapy Platform at TRIUMF
N Esplen1*, L Egoriti2, A Gottberg3, M Bazalova-Carter1, (1) University of Victoria, Victoria, BC, (2) University Of British Columbia, Vancouver, BC, (3) TRIUMF, Vancouver, BC
MO-EF-TRACK 3-10DeepMCDose: Variance-Reduced Monte Carlo Beamlet Dose Prediction for Accelerated Online-Adaptive MRI-Guided Treatment Planning
R Neph*, Q Lyu, Y Huang, Y Yang, K Sheng, UCLA School of Medicine, Los Angeles, CA
MO-EF-TRACK 3-11Enabling Fast and Accurate Dose Calculation in Magnetic Fields Using Macro Monte Carlo
R Kueng*1, G Guyer1, W Volken1, D Frei1, F Stabel1, M F M Stampanoni2, P Manser1, M K Fix1, (1) Inselspital, Bern University Hospital, and University of Bern, Bern, CH, (2) ETH Zurich and PSI, Villigen, CH
MO-EF-TRACK 3-13Validation of the TOPAS Monte Carlo Toolkit for Brachytherapy Simulations
F Berumen*1,2, Y Ma1,2, JR Mendez3, J Perl4, L Beaulieu1,2, (1) Universite Laval, Quebec, QC, CA, (2) CHU de Quebec - Universite Laval et CRCHU, Quebec, QC, CA, (3) University of California San Francisco, San Francisco, CA, (4) Stanford Linear Accelerator Center, Menlo Park, CA
PO-GeP-I-78Determination of Backscatter Factors in Diagnostic Kilovoltage X-Ray Beams
R Tanabe1*, F Araki2, T Ohno3, (1) ,Kumamoto University, Kumamoto, JP, (2) Kumamoto University, Kumamoto, JP, (3) Kumamoto University, Kumamota, JP
PO-GeP-I-106Estimation of 3D Imaging Dose for KV-MV-STR CBCT
M Shi1,2*, M Jacobson2, M Myronakis2, D Ferguson2, M Lehmann3, P Baturin4, T Harris2, P Huber3, R Fueglistaller3, I Valencia Lozano2, C Williams2, D Morf3, R Berbeco2, (1) University of Massachusetts Lowell, Lowell, MA, (2) Brigham and Women's Hospital & Dana Farber Cancer Institute & Harvard Medical School, Boston, MA, (3) Varian Medical Systems, Baden, Switzerland, (4) Varian Medical Systems, Palo Alto, CA
PO-GeP-I-107Estimation of X-Ray Energy Spectrum for CT Scanner From Percentage Depth Dose Measurement
Y Hasegawa1*, A Haga1, D Sakata2, Y Kanazawa1, M Tominaga1, M Sasaki1, T Imae3, K Nakagawa3, (1) University of Tokushima, Tokushima, JP, (2) National Institute of Radiological Sciences, Chiba, JP, (3) The University of Tokyo Hospital, Tokyo, JP
PO-GeP-I-152Monte Carlo Simulation of Laboratory X-Ray Grating Interferometry Setups
S Tessarini1*, M Fix2, W Volken3, D Frei4, P Manser5, J Vila Comamala6, M Stampanoni7, (1) University of Zurich and Swiss Federal Institute of Technology (ETH), Zurich, Switzerland, ,CH, (2) Inselspital, Bern University Hospital, and University of Bern, Bern, Switzerland, Bern, ,CH, (3) Inselspital, Bern University Hospital, and University of Bern, Bern, Switzerland, ,,CH, (4) Inselspital, Bern University Hospital, and University of Bern, Bern, Switzerland, ,,CH, (5) Inselspital, Bern University Hospital, and University of Bern, Bern, Switzerland, Bern, ,CH, (6) Institute For Biomedical Engineering, University And Eth Zurich, 8092 Zuric, , CH, (7) University of Zurich and Swiss Federal Institute of Technology (ETH), Zurich, Switzerland, Zurich, ,CH
PO-GeP-I-183Radiation Risk Assessment of Using Gold Nanoparticles as Contrast Agent in Image-Guided Radiotherapy: A Monte Carlo Study
J Chow1*, D Mututantri-bastiyange2, (1) Princess Margaret Cancer Centre, Toronto, ON, CA, (2) Ryerson University, Toronto, ON, CA
PO-GeP-I-189Response of a Radiophotoluminescent Glass Dosimeter for Diagnostic Kilovoltage X-Ray Beams
C Nakatake1*, F Araki2, T Ohno3, (1) Kumamoto University, Kumamoto, JP, (2) Kumamoto University, Kumamoto, JP, (3) Kumamoto University, Kumamota, JP
PO-GeP-M-91CAPULET: A Novel Coded Aperture Prompt-Gamma Ultra-Light Imaging DETector
A Vella*, F Van den Heuvel, CRUK/MRC Oxford Institute for Radiation Oncology, University of Oxford, Oxford, GB
PO-GeP-M-229Gadolinium Neutron Capture Agent for Charged Particle Radiotherapy
K Van Delinder1*, R Khan2, J Grafe3, (1) ,Toronto, ON, CA, (2) Washington University School of Medicine, St Louis, MO, (3) Ryerson University, Toronto, ON, CA
PO-GeP-M-298Monte Carlo Simulation Framework for Scatter Correction of KV and MV CBCT Images of the Varian TrueBeam STx Linac
B Zapien Campos*, Instituto de Fisica,UNAM,Mexico City,MX A Martinez Davalos*, Instituto de Fisica,UNAM,Mexico City,MX H Alva Sanchez*, Instituto de Fisica,UNAM,Mexico City,MX M Rodriguez Villafuerte*, Instituto de Fisica,UNAM,Mexico City,MX
PO-GeP-M-324Patient Dose From Kilovoltage Radiographic Images During Synchrony Treatments On the Radixact System
W Ferris*, W Culberson, Univ of Wisc Madison, Madison, WI
PO-GeP-M-356Radiation Hardness of Cadmium Telluride Solar Cells in Proton Therapy Beam Mode
S Cho1*, S Ahn2, J Song3, (1) Chonnam National University Hospital, Chonnam, ,KR, (2) National Cancer Center, Goyang-si Gyeonggi-do, ,KR, (3) Chonnam National University Medical School, Chonnam, ,KR
PO-GeP-M-365Reducing Effective Dose and Cancer Risk for An Interplanetary Space Mission with Magnetic Shielding
K Ferrone1,2*, C Willis1, J Ma1, L Peterson3, F Guan1, S Kry1, (1) The University of Texas MD Anderson Cancer Center, Houston, TX, (2) The Aerospace Corporation, Houston, TX (3) Houston Methodist Research Institute, Houston, TX
PO-GeP-M-405TOPAS Model for Simulating Contrast in High-Energy Proton Radiography
B Broder1*, M Freeman2, (1) Univ Chicago, Chicago, IL, (2) Los Alamos National Laboratory, Los Alamos, NM
PO-GeP-P-83Accuracy of Electron Monte Carlo Dose Calculations
L Vazquez1*, C Huerta Hernandez2, O Calvo3, S Oddiraju4, (1) Piedmont Health Care,Atlanta, GA, (2) GRP, Temple, TX, (3) Advanced Physics Solutions, San Antonio, TX, (4) Baylor Scott and White Clinics, Round Rock, TX
PO-GeP-P-90Dosimetry of Shielded Cylindrical Applicators in HDR Brachytherapy
M Xu*, R Foster, M Stutz, Northwestern Medicine, Geneva, IL and Radiation Oncology Consultants, Ltd., Oak Brook, IL
PO-GeP-T-8A Comparison of External Beam Radiotherapy and Radiopharmaceutical Lineal Energy Distributions Using Monte Carlo Track Structure Simulations
D Adam*, J Grudzinski, B Bednarz, University of Wisconsin, Madison, WI
PO-GeP-T-20A Dosimetric Analysis of the Impact of Patient Motion On Occurrence and Volume of Radiation Pneumonitis
B Zhou*1, M Chen2, F-F Yin1,3, X Chen1, (1) Duke Kunshan University, Kunshan, Jiangsu (2) Kunshan First People Hospital, Kunshan, Jiangsu, (3) Duke University, Durham, NC
PO-GeP-T-33A Monte Carlo Investigation of Dose Reporting Issue in the Presence of High Hounsfield-Unit Material in Clinical AAA Dose Calculation Algorithm
X Chen1*, J Fan2, I Veltchev1, J Li3, J Liu1, C Ma1, (1) Fox Chase Cancer Center, Philadelphia, PA, (2) Inova Health System, Fairfax, VA, (3) OUR United RT Group, Xian, China
PO-GeP-T-38A New HVL-Free Method to Calibrate Surface Electronic Brachytherapy Devices Using Depth-Dose Ratios
C Valdes-Cortez*1,2, Y Niatsetski3, F Ballester2,4, J Vijande2,4, C Candela-juan5, J Perez-Calatayud4,6, (1) Centro Oncologico del Norte, Antofagasta, Chile. (2) Departamento de Fisica Atomica, Molecular y Nuclear, Universitat de Valencia (UV), Valencia, Spain. (3) R&D Elekta Brachytherapy, Veenendaal, The Netherlands. (4) IRIMED Joint Research Unit (IIS La Fe - UV), Valencia, Spain. (5) Centro Nacional de Dosimetria, Instituto Nacional de Gestion Sanitaria, Valencia, Spain. (6) Radiotherapy Department, La Fe Hospital, Valencia, Spain.
PO-GeP-T-102An Investigation Study Into the Dose Enhancement of Gold Concentration in Radiation Therapy Procedures
K Chatzipapas1, V Zoiopoulou1, P Papadimitroulas2, G Loudos2, N Papanikolaou3, GC Kagadis1*, (1) University of Patras, Rion GR 26504, GR, (2) BIOEMTECH,Athens, GR 11472 ,GR, (3) University of Texas HSC SA, San Antonio, TX 78229, USA
PO-GeP-T-127Assessment of Microdosimetric Measurement Uncertainty in Carbon Ion Radiotherapy
S Hartzell*, F Guan, O Vassiliev, P Taylor, C Peterson, S Kry, The University of Texas MD Anderson Cancer Center, Houston, TX
PO-GeP-T-132Automated Algorithm for Generation of Patient-Morphed Computational Phantoms for Radiation Dosimetry
LM Carter1,2*, JS Lewis2, AL Kesner1, (1) Department of Medical Physics, Memorial Sloan Kettering Cancer Center, New York, NY, USA (2) Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
PO-GeP-T-189Clinical Implementation of Monte Carlo Modeling of the Elekta VersaHD with Agility Collimator
H Parenica1*, C Kabat1, P Papaconstadopoulos2, N Kirby1, P Myers1, T Wagner1, N Papanikolaou1, S Stathakis1, (1) UT Health San Antonio, San Antonio, TX, (2) Netherlands Cancer Institute, Amsterdam, Netherlands
PO-GeP-T-193Clustered Pencil Beam Scanning (CPBS) Delivery Technique for Potential FLASH Proton Treatment
H Kim1*, B Teo1, K Cengel1, L Yin1, M Kim1, S Huang2, J Konzer3, T Li1, S Avery1, R Wiersma1, D Carlson1, A Lin1, T Busch1, C Koumenis1, J Metz1, L Dong1, E Diffenderfer1, W Zou1, (1) Department of Radiation Oncology, University of Pennsylvania, Philadelphia, PA, (2) Memorial Sloan Kettering Cancer Center, New York, NY, (3) IBA PT,Inc., Louvain-La-Neuve, Belgium
PO-GeP-T-213Comparison Between COMS Plaques and Personalized 3D Printed 103Pd-Loaded Plaques with Dose Modulations for Ocular Melanomas
Y Ma1*, T Lescot2, M Fortin3, L Beaulieu4, (1) CHU de Quebec, Quebec, QC, CA, (2) CHUQ-Hospital St Francis d'Assise, Quebec, QC, CA, (3) CHUQ-Hospital St Francis d'Assise, Quebec, QC, CA, (4) Centre Hospitalier Univ de Quebec, Quebec, QC, CA
PO-GeP-T-219Comparison of Dosimetry Parameters for Two Xoft Axxent Source Models
A Walter*, D Anderson, L DeWerd, Department of Medical Physics, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI
PO-GeP-T-231Comparison of the REB Enhancement Owing to Iodine, Calculated by MKM and LEM
Y Chiang*, Chang Gung University, Guishan Dist, TAOTW,
PO-GeP-T-262Design of An Electron Compensator for Total Skin Electron Therapy with a Single Gantry Angle
M Kaluarachchi*, J Patrick, E Klein, Rhode Island Hospital / Warren Alpert Medical School of Brown University, Providence, RI
PO-GeP-T-281Development and Validation of a 0.35T MR-Guided Linear Accelerator Monte Carlo Model in GEANT4
A Khan1*, E Simiele2, P Yadav3, (1) Department of Medical Physics, School of Medicine and Public Health, University of Wisconsin-Madison (2) Department of Radiation Oncology, Stanford University School of Medicine (3) Department of Human Oncology, School of Medicine and Public Health, University of Wisconsin-Madison
PO-GeP-T-285Development of a Framework for Monte Carlo Dose Calculation of Intensity Modulated Proton Plans
H A Loebner*1, D Frei1, W Volken1, S Mueller1, D M Aebersold1, M F M Stampanoni2, P Manser1, M K Fix1, R Kueng1, (1) Inselspital, Bern University Hospital, and University of Bern, Bern, CH, (2) ETH Zurich and PSI, Villigen, CH
PO-GeP-T-289Development of a Simultaneous Optimization Process for Photon, Electron and Proton Beams (TriB-RT)
R Kueng*1, S Mueller1, H A Loebner1, D Frei1, W Volken1, D M Aebersold1, M F M Stampanoni2, M K Fix1, P Manser1, (1) Inselspital, Bern University Hospital, and University of Bern, Bern, CH, (2) ETH Zurich and PSI, Villigen, CH
PO-GeP-T-309Dose Calculation Accuracy Comparison of BrainLab Monte Carlo and Eclipse Acuros XB for SRS/SBRT Planning
J Yoon*, A Gray, The University of Rochester Cancer Cen, Rochester, NY
PO-GeP-T-332Dosimetric Comparison of Radioactive Bone Cements for the Treatment of Spinal Metastases
P Rafiepour1, S Sina2*, P Azimi3, R Faghihi1, (1) School of Mechanical Engineering, Shiraz University, Shiraz, Fars, Iran (2) Radiation Research Center, School of Mechanical Engineering, Shiraz University, Fars,Iran (3) Functional Neurosurgery Research Center, Shahid Beheshti University of Medical Sciences, Iran
PO-GeP-T-347Dosimetric Impact of TG43 Formalism Versus Monte Carlo in HDR Breast Cancer Brachytherapy
V Turgeon1*, B Bahoric1, M Morcos2, S Abbasinejad Enger2-5, (1) Montreal Jewish General Hospital, Montreal, QC, CA, (2) Medical physics unit, McGill university, Montreal, QC, CA, (3) Department of oncology, McGill University, Montreal, QC, CA, (4) Research Institute of the McGill University health center, Montreal, QC, CA, (5) The Seal cancer center Lady Davis Institute for medical research, Montreal, QC, CA,
PO-GeP-T-363Effect of Air Density in Low-Energy X-Ray Spectra and Its Influence On Absorbed Dose to Water
G Massillon-JL*, A Moreno Ramirez, Instituto de Fisica, UNAM, Mexico City, Mexico City, MX
PO-GeP-T-373Efficient Estimation of Electron Cutout Factor Using Eclipse Electron Monte Carlo Model
F Kalantari1, G Narayanasamy1, S Morrill1, G Deshazer1, S Gholami2, E Galhardo1*, (1) University of Arkansas for Medical Sciences, Little Rock, AR, (2) Cancer institute-Imam Khomeini hospital-TUMS, Tehran, ,IR,
PO-GeP-T-388Estimated Linear Energy Transfer and Depth Dose Profiles Through Combined Radioluminescence Imaging & Monte Carlo Calculation
M Rahman1*, P Bruza2, R Zhang3, Y Lin4, K Langen5, D Gladstone6, B Pogue7, (1) Dartmouth College, Hanover, NH, (2) Dartmouth College, Hanover, NH, (3) Dartmouth College, Lebanon, NH, (4) Emory University, Atlanta, GA, (5) Emory University, Atlanta, GA, (6) Dartmouth-Hitchcock Med. Ctr., Lebanon, NH, (7) Dartmouth College, Hanover, NH,
PO-GeP-T-389Estimation of Neutron RBE for Mutagenesis by Simulating Clustered DNA Damage
L Montgomery1*, A Landry2, CM Lund1, J Kildea1, (1) McGill University, Montreal, QC, CA, (2) Dalhousie University, Halifax, NS, CA
PO-GeP-T-402Evaluation of a Treatment Planning System for the Treatment of Superficial Lesions with 50 KVp X-Rays
S Gros*, A Sethi, S Hoffman, R Patel, H Kang, Loyola Univ Medical Center, Maywood, IL
PO-GeP-T-420Evaluation of the RayStation Monte Carlo Dose Algorithm for Small-Field Surface-Collimated Electrons
J Fenoli1*, M Oakey1, S Andrew2, R McGurk1, (1) University of North Carolina Chapel Hill, Chapel Hill, NC, (2) Rex UNC Radiation Oncology, Raleigh, NC
PO-GeP-T-423Evaluation of Three Conversion Factors From Dose to Medium to Dose to Water in the Radiotherapy Dosimetry
H ALHAMADA1*, (1) Nuclear Metrology Department, Faculty of Applied Sciences, ULB, BE.
PO-GeP-T-433Experimental and Monte Carlo Analysis of Gold Nanoparticle Dose Enhancement Using 6 MV and 18 MV External Beam Energies
T Gray1*, N Bassiri2, S David1, D Patel1, S Stathakis2, N Kirby2, K Mayer1, (1) The University of Texas at San Antonio, San Antonio, TX, (2) Mays Cancer Center - MD Anderson Cancer Center, San Antonio, TX
PO-GeP-T-434Experimental and Monte Carlo Dosimetry of a Dynamic Collimation System Prototype
B Smith1*, M Pankuch2, D Hyer3, W Culberson1, (1) University of Wisconsin, School of Medicine and Public Health, Department of Medical Physics, Madison, WI, (2) Northwestern Medicine Chicago Proton Center, Warrenville, IL, (3) University of Iowa, Iowa City, IA
PO-GeP-T-439Experimental Verification of Reference Dosimetry Correction Factors for Leksell Gamma Knife Icon Beams
W Hager1*, V Kaveckyte2,3, H Benmakhlouf3, (1) Dept. of Physics, Stockholm University, Stockholm, SE, (2) Dept. of Medical and Health Sciences, Linkoping University, Linkoping, SE, (3) Dept. of Medical Radiation Physics and Nuclear Medicine, Karolinska University Hospital, Stockholm, SE
PO-GeP-T-458Feasibility Study Using Low-Energy X-Ray to Treat Superficial Lesions for Head Cases
S Hoffman*, H Kang, S Gros, R Patel, Loyola Univ Medical Center, Oak Park, IL
PO-GeP-T-474GPU Based Parallel Computation for Fast Monte-Carlo Photon Transport
K Hadad1&2*, M Mirzapour1, R Faghihi1, R Hamilton2, (1) School of Mechanical Engineering, Shiraz University, Shiraz, ,IR,(2) University of Arizona, Tucson, AZ.
PO-GeP-T-489Impact of MC Dose Algorithm for CNS Proton Treatments
C Bloch1*, J Saini2, J Rockhill1, Y Tseng1, L Halasz1, (1) University of Washington School of Medicine, Seattle, WA, (2) SCCA Proton Therapy Center, Seattle, WA
PO-GeP-T-495Impact of the Change in the Mean Excitation Energy of Diamond On Energy Deposition in Different Beam Qualities
V Kaveckyte1,2*, A Carlsson Tedgren1,2, J M Fernandez-Varea3, (1) Linkoping University, Linkoping, Sweden, (2) Karolinska University Hospital, Stockholm, Sweden, (3) Barcelona University, Barcelona, Spain
PO-GeP-T-520Initial Steps Towards A Clinical FLASH Radiotherapy System: Pediatric Whole Brain Irradiation with 40 MeV Electrons
D Breitkreutz1*, M Shumail2, K Bush1, S Tantawi2, P Maxim3, B Loo1, (1) Department of Radiation Oncology, Stanford University, California, USA (2) Stanford National Accelerator Laboratory, Stanford University, California, USA (3) Department of Radiation Oncology, Indiana University, Indiana, USA
PO-GeP-T-530Investigating Aperture-Based Approximations to Model a Dynamic Collimation System for Pencil Beam Scanning Proton Therapy
N Nelson1*, B Smith1, W Culberson1, R Flynn2, D Hyer2, S Rana3, P Hill4, (1) University of Wisconsin - Madison, School of Medicine and Public Health, Department of Medical Physics, Madison, WI, (2) University of Iowa, Department of Radiation Oncology, Iowa City, IA, (3) Miami Cancer Institute, Baptist Health South Florida, Department of Radiation Oncology, Miami, FL, (4) University of Wisconsin - Madison, School of Medicine and Public Health, Department of Human Oncology, Madison, WI
PO-GeP-T-536Investigation of Dose Perturbations Around Brachytherapy Seeds in High-Energy Photon Beams
S Ogawa1*, K Yasui2, Y Saito3, K Ouchi1, J Nagata1, N Hayashi2, (1) Graduate school of Health Sciences, Fujita Health University, Toyoake, Aichi, JP, (2) School of Medical Sciences, Fujita Health University,Toyoake, Aichi,JP, (3) Division Of Radiology, Fujita Health University Hospital,Toyoake, Aichi,JP,
PO-GeP-T-537Investigation of Monte Carlo User Codes for the Simulation of the Xoft Axxent Electronic Brachytherapy Source: A Comparative Study
A Walter*, L DeWerd, Department of Medical Physics, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI
PO-GeP-T-575Measured, Calculated and Monte Carlo Simulated Dose Distributions in a Unique Gold Applicator Loaded with I-125 Seeds
C Trauernicht1*, E Hering2, F Du Plessis3, G Maree4, D Van Eeden3, (1) Tygerberg Hospital and Stellenbosch University, Cape Town, ZA, (2) University Of Cape Town, Cape Town, ZA, (3) University Of The Free State, Bloemfontein, ZA, (4) Groote Schuur Hospital, Cape Town, ZA,
PO-GeP-T-582Modeling and Testing of a Virtual Source Model for An Independent Monte Carlo Radiation Dose QA Software with the Magnetic Field Option
Q Cheng1*, H Yang1, Y Xu2, X Pei2,3, L Mao2, Q Ren3, A Wu5, D Adam4, B Bednarz4, P Caracappa6, X Xu1,2, (1) Rensselaer Polytechnic Institute, Troy, NY, (2) University of Science and Technology of China, Hefei, ,CN, (3) Anhui Wisdom Technology Company Limited, Hefei, ,CN, (4) University of Wisconsin- Madison, Madison, WI, (5) The First Affiliated Hospital of University of Science and Technology of China, Hefei, ,CN, (6) Virtual Phantoms, Inc., Albany, NY
PO-GeP-T-583Modeling Direct and Indirect Action DSBs From Intracellular Gold Nanoparticles Using a Single Cell Model with Complete Human Genome in Geant4
X Zhao*, R Liu, T Zhao, F Reynoso, Washington University in St. Louis, St. Louis, MO
PO-GeP-T-588Monte Carlo and Water Calorimetric Determination of Ionization Chamber Correction Factors for Medium Energy X-Ray Beams
J Bancheri1*, S Ketelhut2, L Bueermann2, J Seuntjens1, (1) Medical Physics Unit, McGill University, Montreal, QC, CA, (2) Physikalisch-technische Bundesanstalt (PTB), Braunschweig, Niedersachsen, DE
PO-GeP-T-589Monte Carlo Based Treatment Plan Optimization for Intensity Modulated Proton Therapy
R Kueng1, H A Loebner*1, S Mueller1, D Frei1, W Volken1, D M Aebersold1, M F M Stampanoni2, M K Fix1, P Manser1, (1) Inselspital, Bern University Hospital, and University of Bern, Bern, CH, (2) ETH Zurich and PSI, Villigen, CH
PO-GeP-T-591Monte Carlo Method Combined with Deep Learning for Predictive Denoising and Accelerating the Simulation of Radiotherapy
C Guo*, J Dai, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences, Beijing, BeijingCN,
PO-GeP-T-592Monte Carlo Validation of Simple Geometry in Homogeneous Medium for Pencil Beam Scanning
M Hobson*, L Coutinho, Miami Cancer Institute, Miami, FL
PO-GeP-T-593Monte Carlo-Based Organ Dose Reconstruction for Wilms Tumor Patients During Cobalt-60 External Beam Therapy
J Dempsey1*, M Pauliah2, M Mille3, M Gopalakrishnan2, J Jung1, J Kalapurakal2, C Lee3, (1) East Carolina University, Greenville, NC, (2) Northwestern University, Chicago, IL, (3) National Cancer Institute, Rockville, MD
PO-GeP-T-640Physical Characteristics of Annihilation and Related Background Photons Produced in X-Ray Irradiation with Medical Linear Accelerator
K Takahashi*1, T Hanada2, H Miyauchi1,4, Y Tanaka1, M Hashimoto3, T Hasegawa3, (1)Graduate School of Medical Sciences, Kitasato University, Kanagawa, Japan, (2)Department of Radiology, Keio University School of Medicine, Tokyo, Japan, (3) Faculty of Allied Health Sciences, Kitasato University, Kanagawa, Japan, (4)Cancer Institute Hospital of JFCR, Tokyo, Japan
PO-GeP-T-664Proton Linear Energy Transfer Differs According to Beam Delivery Method
L Wilson*, F Pirlepesov, V Moskvin, T Merchant, A Faught, St. Jude Children's Research Hospital, Memphis, TN
PO-GeP-T-705Response of Parallel-Plate Ionization Chambers On the Buildup Dose Measurement in Inline Magnetic Fields
N Anami1*, F Araki2, T Ohno3, (1) ,Kumamoto University, Kumamoto,JP, (2) Kumamoto University, Kumamoto, JP, (3) Kumamoto University, Kumamoto, JP
PO-GeP-T-734Spectral CT Based Elemental Composition Assignment to Increase the Accuracy of Monte Carlo Simulation in Proton Beam Therapy
V Moskvin*, J Uh, C Hua, St. Jude Childrens Research Hospital, Memphis, TN
PO-GeP-T-738Step-Size Dependence of Monte Carlo Simulations for Cherenkov Emission (CE)-Based Dosimetry Calculations
Y Zlateva1*, B Muir2, I El Naqa3, J Seuntjens4, (1) Duke University, Durham, NC, (2) National Research Council, Ottawa, ON, (3) University of Michigan, Ann Arbor, MI, (4) McGill University, Montreal, QC
PO-GeP-T-751Synthesis and Dosimetric Study of the Nucleus-Targeted Pd-103/Au Nanoparticles for a Radionuclide Treatment Using TOPAS
J Lee1*, S Wong2, C Mccann3, C Kumaradas4, (1) Odette Cancer Centre, Sunnybrook Health Science Centre, Toronto, ON, CA, (2) University of Toronto, Toronto, ON, CA, (3) Sunnybrook Health Sciences Centre, Odette Cancer Centre, Department of Medical Physics, Toronto, ON, CA, (4) Ryerson University,
PO-GeP-T-761The Design of a Novel Direction Modulated Brachytherapy (DMBT) Vaginal Cylinder Using GEANT4 Monte Carlo Simulation Code
M Meftahi*, W Song, Virginia Commonwealth University, Richmond, VA
PO-GeP-T-764The Dosimetric Effect of Vertebral Body Replacement/Fixation Devices On Spine SBRT: A Monte Carlo Study
X Chen1*, J Fan2, I Veltchev1, J Li3, J Meyer1, C Ma1, (1) Fox Chase Cancer Center, Philadelphia, PA, (2) Inova Health System, Fairfax, VA, (3) OUR United RT Group, Xi'an, China
PO-GeP-T-780The Importance of Monte Carlo (Geant4) Physics Settings for Clinical Proton Therapy Treatment Plans
C Winterhalter1,2*, M Taylor1,2, D Boersma3,4, A Elia4, S Guatelli5, R Mackay1,2, K Kirkby1,2, L Maigne6, V Ivanchenko7,8, A Resch9, D Sarrut10, P Sitch2, M Vidal11, L Grevillot4, A Aitkenhead1,2, (1) Division of Cancer Sciences, University of Manchester, Manchester, UK, (2) The Christie NHS Foundation Trust, Manchester, UK, (3) ACMIT Gmbh, Wiener Neustadt, Austria, (4) EBG MedAustron GmbH, Wiener Neustadt, Austria, (5) Centre For Medical Radiation Physics, University of Wollongong, Australia, (6) Laboratoire de Physique de Clermont, Campus Universitaire des Cezeaux, Aubiere Cedex, France, (7) CERN, Geneva, Switzerland, (8) Tomsk State University, Russia, (9) Medical University of Vienna, Department of Radiation Oncology and Christian Doppler Laboratory for Medical Radiation Research for Radiation Oncology, Vienna, Austria, (10) Universite de Lyon, CREATIS, CNRS UMR5220, Inserm U1044, INSA-Lyon, Centre Leon Berard, France, (11) Centre Antoine Lacassagne, Universite Cote dAzur Federation Claude Lalanne, Nice, France
PO-GeP-T-803Towards Monte Carlo Modeling of the Optical Properties of Plastic Scintillation Detectors
E Simiele*, L DeWerd, University of WI-Madison/MRRC, Madison, WI
PO-GeP-T-819Update On a Dose Reconstruction Effort for a Large-Scale Retrospective Epidemiological Study of Late Health Effects Following Radiotherapy Within the National Wilms Tumor Study
M Mille1*, M Pauliah2, J Jung3, M Gopalakrishnan2, J Kalapurakal2, C Lee1, (1) National Cancer Institute, Rockville, MD, (2) Northwestern University, Chicago, IL, (3) East Carolina Univ, Greenville, NC
PO-GeP-T-825Use of VirtuaLinac to Perform Monte-Carlo Based Dose Calculation for Verification of Radiotherapy Treatments On a Jawless Ring Gantry Linac with Double Stack MLC
A Sethi1*, Z Ji1, R Liu1, E Laugeman1, D Sawkey2, T Zhao1, S Mutic1, G Hugo1, B Cai1, (1) Washington University School of Medicine, St. Louis, MO, (2) Varian Medical Systems, Palo Alto, CA
SU-B-TRACK 1-1BEST IN PHYSICS (IMAGING): Skin Dose Mapping by Convolution of the Dose Point Spread Function Over a Curved Surface
S-H Sun*, C Guo, S Rudin, D Bednarek, Univ. at Buffalo (SUNY) School of Med., Buffalo, NY
SU-F-TRACK 3-1Development of Tri-Hybrid Method to Estimate Patient Scattered Fluence Into the EPID
K Guo1,2*, B McCurdy1,2, (1) University of Manitoba, Winnipeg, MB, CA, (2) CancerCare Manitoba, Winnipeg, MB, CA
SU-F-TRACK 3-5Evaluating the Accuracy of a Novel General Cavity Theory Formalism
M Efseaff12*, M MacPherson123, D La Russa123, (1) The Ottawa Hospital, Ottawa, ON, CA, (2) Carleton University, Ottawa, ON, CA, (3) University of Ottawa, Ottawa, ON, CA
TH-A-TRACK 5-3Focused KV X-Ray Radiotherapy for Wet Age-Related Macular Degeneration (AMD)
H Yan1*, C MacDonald2, W Sun3, W Liu4, (1)School of Biomedical Engineering, Capital Medical University, Beijing, 11, CN; (2) Department of Physics, University at Albany, SUNY, Albany, NY; (3)Department of Physics, University at Albany, SUNY, Albany, NY; (4)Stanford University, Stanford, CA
TH-A-TRACK 5-5Magnetic-Modulated Radiation Therapy with High Energy Electron Beams
M Chen*, L Ma, X Gu, W Lu, UT Southwestern Medical Center, Dallas, TX
TH-B-TRACK 3-2Effect of Photon Incidence Angle On the Accuracy of the Dose Point Kernel Method for Calculation of Gold Nanoparticle-Mediated Intracellular Dose Enhancement
S Jayarathna*, H Moktan, S H Cho, The University of Texas MD Anderson Cancer Center, Houston, TX
TH-C-TRACK 1-6Investigation of Spectral Separation, Effective Energy, and Dose Allocation of Split-Filter DECT Using MCNP
L Di Maso*, M Lawless, J Huang, J Miller, L DeWerd, University of Wisconsin-Madison, Madison, WI
TU-B-TRACK 1-6Multiscale Monte Carlo Simulations for Advanced X-Ray Breast Imaging: Dosimetric Studies
R Trevisan Massera1,2*, A Tomal1, R Thomson2, (1) University of Campinas, BR,(2) Carleton Univ, Ottawa, ON
TU-C-TRACK 3-1A Novel Minimally Invasive Dynamic Shield System for Cervix Brachytherapy
M Morcos1,2*, A Viswanathan2, S Abbasinejad Enger1,3,4, (1) Medical Physics Unit, McGill University, Montreal, QC, CA, (2) Johns Hopkins University, Baltimore, MD, (3) Department of Oncology, McGill University, Montreal, QC, CA, (4) Research Institute of the McGill University Health Centre, Montreal, QC, CA
WE-B-TRACK 3-2A Simple Approach for Experimental Characterization of LET Spectra and Dose Profiles of Clinical Proton Beams
J Gajewski1, J Baran2, C Granja3, C Oancea4, M Pawlik-Niedzwiecka5, M Rydygier6, A Schiavi7, P Stasica8, A Rucinski9*, (1) Institute of Nuclear Physics PAN, Krakow,PL, (2) Institute of Nuclear Physics PAN, Krakow,PL, (3) ADVACAM, Prague,CZ, (4) ADVACAM, Prague,CZ, (5) Institute of Nuclear Physics PAN, Krakow,PL, (6) Institute of Nuclear Physics PAN, Krakow,PL, (7) Sapienza University of Rome, Rome,IT, (8) Institute of Nuclear Physics PAN, Krakow,PL, (9) Institute of Nuclear Physics PAN, Krakow,PL
WE-F-TRACK 2-1Monte Carlo Simulation of a KV Scattered X-Ray Imaging-Based Real-Time In-Treatment Image Guidance Method for Radiation Therapy
Y Huang1*, K Yang2, X Li2, B Liu2, H Liu1, Y Lai1, C Shen1, X Jia1, (1) The University of Texas Southwestern Medical Ctr, Dallas, TX, (2) Harvard Medical School, Massachusetts General Hospital, Boston, MA.