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Keywords: brachytherapy
BReP-SNAP-M-23Automatic Location and Size Selection of Round Applicators for AccuBoost Treatments
F West1,2*, S Roles1,2, J Patrick2,3, R Munbodh2,3, M Rivard2,3, J Hepel2,3, K Leonard2,3, D Wazer2,3, Z Saleh2,3, (1) University of Rhode Island, Kingston, RI, (2) Rhode Island Hospital, Providence, RI, (3) Warren Alpert Medical School of Brown University, Providence
BReP-SNAP-M-59Development of a Machine Learning Algorithm for Hybrid Interstitial Needle Prediction in High-Dose-Rate Cervical Brachytherapy
K Stenhouse*, M Roumeliotis, P McGeachy, Tom Baker Cancer Centre/University of Calgary, Calgary, AB, CA
BReP-SNAP-T-35Compact Production of a Low Energy Laser Wakefield Accelerated Electron Beam for Medical Applications
D Roa1*, S Nicks2, T Tajima3, A Necas4, G Mourou5, F Tamanoi6, T Juhasz7, A Sahai8, (1) University Of California, Irvine, Orange, CA, (2) University Of California, Irvine, ,,(3) University Of California, Irvine, ,,(4) TAE Technologies, ,,(5) Ecole Polytechnique, ,,FR, (6) University of Kyoto, University of California, Los Angeles, ,,(7) University Of California, Irvine, ,,(8) University of Colorado,
BReP-SNAP-T-40Developing a Novel 3D Print-Based Phantom to Facilitate Ultrasound-Guided Interstitial Gynecologic Brachytherapy Training Simulation
Z Xiong*, D Parsons, Y Zhong, B Gannavarapu, C Nwachukwu, M Folkert, X Jia, P Medin, K Albuquerque, B Hrycushko, T Chiu, UT Southwestern Medical Center, Dallas, TX
BReP-SNAP-T-49Dosimetric Performance of the Venezia™ Advanced Gynecological Applicator for Cervical Adenocarcinoma Boost Treatments: An Initial Statistical Evaluation of 125 Treatments
E Schnell*, S Thompson, S Ahmad, T Herman, T De La Fuente Herman, University of Oklahoma Health Sciences Center, Oklahoma City, OK
BReP-SNAP-T-54Efficient Stochastic Optimization Accounting for Uncertainty in HDR Prostate Brachytherapy Needle Placement
S Gerlach1*, F Siebert2, A Schlaefer1, (1) Hamburg University of Technology, Hamburg, HH, DE, (2) University Hospital of Schleswig-Holstein, Campus Kiel, Medical Physics, Kiel, KI, DE
BReP-SNAP-T-61Evaluation of Electromagnetic Catheter Tracking in HDR Prostate Brachytherapy for Different Imaging and Treatment Environments
C P Joshi1,2*, C Pinter3, A Lasso3, E Lugez3, T Vaughan3, C Shenfield1,2, G Fichtinger3, (1) Cancer Center of Southeastern Ontario, Kingston Health Sciences Centre, Kingston, ON, Canada, (2) Departments of Oncology and Physics, Queens University, Kingston, ON, Canada (3) School of Computing, Queens University, Kingston, ON, Canada
BReP-SNAP-T-63Experimental Characterization of the Innovative Thermo-Brachytherapy Seed for Treatment of Prostate Cancer
S Taghizadehghahremanloo*, D Shvydka, E Parsai, University of Toledo Medical Center, Toledo, OH, A Shan, University of Toledo, Toledo, OH
BReP-SNAP-T-71GEC-ESTRO Recommendations for Quality Assurance of Ultrasound in Brachytherapy
F-A Siebert1*, C Kirisits2, T Paulsen Hellebust3, D Baltas4, F Verhaegen5, S Camps6, B Pieters7, G Kovacs8, B Thomadsen9, (1) Clinic of Radiotherapy, University Hospital of Schleswig-Holstein, Campus Kiel, Kiel,DE, (2) Department of Radiation Oncology, Comprehensive Cancer Center, Medical University of Vienna, Vienna, AT, (3) Department of Medical Physics, Oslo University Hospital, Oslo,NO, (4) Division of Medical Physics, Department of Radiation Oncology, Medical Center, Faculty of Medicine, University of Freiburg, Freiburg, DE, (5) Department of Radiation Oncology (MAASTRO), GROW, School for Oncology and Developmental Biology, Maastricht, NL, (6) Faculty of Electrical Engineering, University of Technology Eindhoven, Eindhoven, NL, (7) Academic Medical Center Amsterdam, Amsterdam, NL, (8) Interdisciplinary Brachytherapy Unit, University of Lubeck/University Hospital Schleswig-Holstein Campus Lubeck, Lubeck, DE, (9) University of Wisconsin, School of Medicine and Public Health, Department of Medical Physics, Madison, WI
BReP-SNAP-T-79Impact of Patient-Specific Factors On Implant Uncertainty in Permanent Breast Seed Implant Brachytherapy
C Zhang1,2*, M Hilts1,2, D Batchelar1,2, J Andrews2, C Hvingelby2, E Watt3, J Crook1, (1) BC Cancer - Kelowna, Kelowna, BC, CA, (2) The University Of British Columbia Okanagan, Kelowna, BC, CA, (3) Okolo Health, Calgary, AB, CA
BReP-SNAP-T-103Mechanical Evaluation of a Helical Drive System for Rotating Shield Brachytherapy in Prostate Cancer
Q Adams1*, K Hopfensperger2, Y Kim3, R Flynn4, (1) Department of Radiation Oncology, University of Iowa Hospitals and Clinics, Iowa City, IA, (2) Department of Biomedical Engineering, The University of Iowa, Iowa City, IA, (3) Department of Radiation Oncology, University of Iowa Hospitals and Clinics, Iowa City, IA, (4) Department of Radiation Oncology, University of Iowa Hospitals and Clinics, Iowa City, IA
BReP-SNAP-T-112Plastic Scintillation Detector Calibration Procedure for Brachytherapy in Vivo Dosimetry
A Herreros1, J Perez-Calatayud2*, F Ballester3, (1) Hospital Clinic Barcelona, Barcelona, ,ES, (2) Hospital La Fe, Valencia, ,ES, (3) University of Valencia, Burjassot, ,ES
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-141What Knowledge-Based Dose Prediction Models Tell Us About Ovoid Vs. Ring Based Brachytherapy Applicators
K Kallis*, B Covele, A Simon, D Brown, D Scanderbeg, K Kisling, C Yashar, J Einck, L Mell, J Mayadev, K Moore, S Meyers, UC San Diego, La Jolla, CA
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
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
MO-F-TRACK 1-4Fully Balanced SSFP for MRI-Assisted Radiosurgery (MARS) Without An Endorectal Coil: A Prospective Patient Imaging Study
J Sanders1*, S Frank1, A Venkatesan1, C Levitt2, T Bathala1, R Kudchadker1, C Tang1, T Bruno1, C Starks1, E Santiago1, M Wells2, C Weaver2, J Ma1, (1) UT MD Anderson Cancer Center, Houston, TX, (2) Piedmont Atlanta Hospital, Atlanta, GA
PO-GeP-I-30An Approach for Evaluating Image Registration and Dose Accumulation Errors Based On Dose Gradient
X Wu*, J Ippolito, P Grigsby, H Gach, J Williamson, D Yang, Washington University in St. Louis, St. Louis, MO
PO-GeP-M-23A Multi-Observer Study Investigating the Effectiveness of Prostatic MpMRI to Dose Escalate Corresponding Histologic Lesions Using High Dose Rate Brachytherapy
C. Smith1*, D. Hoover1,2, K. Surry1,2, D. D'Souza3, D. W. Cool1,3, Z. Kassam1,3, M. Bastian-Jordan4, J. A. Gomez1, M. Moussa1, J. L. Chin3, S. Pautler3, G. S. Bauman1,2,3, A. Ward1,3, (1) University of Western Ontario, London, ON, CA, (2) London Regional Cancer Program, London, ON, CA,(3) London Health Sciences Centre,(4) University Of Queensland, Queensland, Australia
PO-GeP-M-203Evaluation of Markers for Catheter Detection in MRI-Guided Gynecological Brachytherapy
E Kaza*, R Cormack, I Buzurovic; Dana-Farber/Brigham and Women's Cancer Center, Harvard Medical School, Boston, MA
PO-GeP-M-268Introducing MRI Guidance Into Skin Brachytherapy
T Harris*, D O'Farrell, I Buzurovic, S Friesen, P Devlin, Brigham & Women's Hospital, Harvard Medical School, Boston MA
PO-GeP-M-302MRI Visualization of Applicators for Skin HDR Brachytherapy
E Kaza*, R Cormack, P Devlin, I Buzurovic; Dana-Farber/Brigham And Women's Cancer Center, Harvard Medical School, Boston, MA
PO-GeP-M-317Optimal Image Registration for Combining Dose Distributions From External Beam and Brachytherapy for Combined Modality Prostate Radiation Therapy
A Cooney1,2*, S To1,2, B Lee1,3, M Lim1,3, AC Riegel1,2,3, (1) Department of Radiation Medicine, Northwell Health, New Hyde Park, NY, (2) Hofstra University, Hempstead, NY, (3) Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY
PO-GeP-P-3Considering Cost in New Facility and Program Design for Gynecologic Brachytherapy; a Comparison of Treatments for Locally Advanced Cervical Cancer
M Roumeliotis*, S Quirk, K Thind, P Mcgeachy, T Phan, D Van Elburg, R Banerjee, K Martell, C Doll, W Smith, A Cameron, T Meyer, University of Calgary, Calgary, AB, CA,
PO-GeP-P-37Staff Exposure During a HDR Endobronchial Brachytherapy Stuck Source Event Requiring Surgical Extraction: A Full Scale Simulation
N Octave*, M Goulet, P Duguay-drouin, M Lagace, A Dagnault, CISSS - Chaudiere-Appalaches, Levis, QCCA,
PO-GeP-P-42The Dosemetric Impact of Multichannel Vaginal Cylinder Applicator Rotation in High Dose Rate Gynecological Brachytherapy
M Ashenafi*, A Matloubieh, M Hare, A Gray, University of Rochester, Rochester, NY
PO-GeP-P-65Heyman Applicators and Varian Click Fit 200 Series_ Clinical Commissioning
S George*, T Romaguera, A Gutierrez, Miami Cancer Institute, Miami, FL
PO-GeP-P-84Multichannel Vaginal Cylinder Commissioning and Dosimetric Evaluation
K Dou1*, B Li1, F Lerma1, M Jacobs2, A Halthore2 (1) MedStar Health RadAmerica, Baltimore, MD, (2) Mercy Medical Center Radiation Oncology, Baltimore, MD
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-27A Feasibility Study of MRI Guided Pre-Plan Using Advanced Gynecological Applicator Venezia
Y Huang*, F Su, X Li, H Zhao, G Nelson, M Szegedi, L Burt, D Gaffney, G Suneja, B Salter, Univ of Utah, Salt Lake City, UT
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-39A New Mathematical Modeling Method Designed for Individual Template in Interstitial Brachytherapy
S Wang1*, X Fan2, Y Peng3, R Zhang4, M Miao5, Z Chi6, (1) 4th hospital of Hebei Medical University, Shijiazhuang, HeBei, CN, (2) 4th hospital of Hebei Medical University, Shijiazhuang, HeBei, CN,(3)Sun Yat-sen University Cancer Center ,Guangzhou, CN, (4) 4th hospital of Hebei Medical University, Shijiazhuang, HeBei, CN,(5) 4th hospital of Hebei Medical University, Shijiazhuang, HeBei, CN,(6) 4th hospital of Hebei Medical University, Shijiazhuang, HeBei, CN,
PO-GeP-T-49A Novel Method for Determining Optic Nerve and Disc Location for Eye Plaque Treatment Planning
S Scarboro1*, M Astrahan2, (1) University of Virginia, Charlottesville, VA, (2) University of Southern California, Los Angeles, CA
PO-GeP-T-64A Quantitative Relationship Relating Seed Placement Accuracy and Dosimetry in Permanent Breast Seed Implant Brachytherapy
A Guebert1,2*, M Roumeliotis1,2, T Meyer1,2, S Quirk1,2, (1) University of Calgary, Calgary, AB, CA, (2) Tom Baker Cancer Centre, Calgary, AB, CA
PO-GeP-T-95An Efficient Optimization Method for Prostate LDR Planning by Including Prior Knowledge
G Szalkowski1*, R Chen2, T Royce1, A Wang1, J Lian1, (1) University of North Carolina at Chapel Hill, Chapel Hill, NC, (2) University Of Kansas
PO-GeP-T-144Automation of Eyeplaque Procedures for Greater Integration and Safety
Q Diot*, D Westerly, M Miften, University of Colorado School of Medicine, Aurora, CO
PO-GeP-T-161Brachytherapy Technique Commissioning Using the HYPERSCINT Plastic Scintillation Detector
M Goulet*, N Octave, P Duguay-drouin, CISSS - Chaudiere-Appalaches, Levis, QC, CA
PO-GeP-T-162Brachytherapy Workflow for Locally Advanced Cervical Cancer: A Survey of Canadian Medical Physicists
G Menon*, L Baldwin, B Burke, A Heikal, Cross Cancer Institute, Edmonton, AB, CA
PO-GeP-T-164Can Knowledge-Based Dose Prediction Models Inform Brachytherapy Needle Decision-Making for Cervical Cancer?
K Kallis*, D Brown, D Scanderbeg, K Kisling, B Covele, A Simon, C Yashar, J Einck, L Mell, J Mayadev, K Moore, S Meyers, UC San Diego, La Jolla, CA
PO-GeP-T-183CivaSheet Commissioning and Workflow Planning
S Morelli1*, J Woollard1, A Ayan1, N Gupta1, (1) The Ohio State University, Columbus, OH
PO-GeP-T-196Commissioning and Dosimetric Analysis of Indigenously Developed Interstitial Plus Intracavitary Gynaecological Template in High Dose Rate Brachytherapy
Venkatesan Kaliyaperumal*, S Banerjee, S Abraham, D Kamaraj, M Raju, D Manigandan, T Kataria, Medanta The Medicity, Gurgaon, Haryana, INDIA,
PO-GeP-T-203Commissioning of Venezia Lunar Ovoid Applicator Using Electron Autoradiograph
X Li, F Su*, Y Huang, G Stinnett, H Zhao, J Kunz, G Nelson, M Szegedi, B Salter, University of Utah, Salt Lake City, UT
PO-GeP-T-209Comparing Non-Invasive High-Dose-Rate Brachytherapy Using Partially-Shielded Applicators to Intracavitary/Interstitial Brachytherapy for Cervical Cancer
K Hopfensperger1*, Q Adams2, Y Kim2, X Wu3, W Xu3, K Patwardhan2, B Thammavong2, R Flynn2, (1) Department of Biomedical Engineering, University of Iowa, Iowa City, IA, (2) Department of Radiation Oncology, University of Iowa Hospitals and Clinics, Iowa City, IA, (3) Department of Electrical and Computer Engineering, University of Iowa, Iowa City, IA.
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-222Comparison of Forward-Planned and Inversely-Optimized Dose Distributions for Patients Treated Using An Hybrid Interstitial Gynecological Applicator Placed Under MRI Guidance for Treatment of Cervical Cancer
S Simiele1*, G Mcginnis2, M Cunningham1, C Starks1, L Colbert2, M Joyner2, L Lin2, A Jhingran2, P Eifel2, A Venkatesan3, A Klopp2, (1) Department of Radiation Physics, MD Anderson Cancer Center, Houston, TX, (2) Department of Radiation Oncology, MD Anderson Cancer Center, Houston, TX, (3) Abdominal Imaging Department, MD Anderson Cancer Center, Houston, TX
PO-GeP-T-233Comparison of Two Commercial Software Packages for Y-90 SIRT Dosimetry
M Studenski*, M Witte, B Spieler, M Georgiou, L Portelance, Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, FL
PO-GeP-T-260Design and Evaluation of Catheter Immobilizer for Free-Hand High-Dose Rate Brachytherapy
T Nano1, W Chen1*, D Capaldi2, I Hsu1, A Wong1, J Cunha1, (1) University of California, San Francisco, San Francisco, CA, (2) Stanford University, Stanford, CA
PO-GeP-T-263Design of Custom, 3D-Printed Surface Brachytherapy Applicators
K Chytyk-Praznik1-3*, P Oliver1, J Allan1, L Best2, J Robar1-3, (1) Nova Scotia Health Authority, Department of Medical Physics, (2) Dalhousie University, Department of Radiation Oncology, (3) Dalhousie University, Department of Physics and Atmospheric Science, Halifax, NS, CA
PO-GeP-T-264Design, Production and Evaluation of Personalized 3D-Printed IC-Brachytherapy Applicators
B Basaric1*, L Morgan2, C Engelberts3, M Crocker4, R Orbovic5, E Orton6, J Robar7, (1),(2),(3),(5),(6) Adaptiiv Medical Techologies, Halifax, NS,CA, (4) Dalhousie University, Halifax, NS,CA,(7) Nova Scotia Health Authority, Halifax,NS,CA
PO-GeP-T-267Detection of Errors in HDR Brachytherapy With An in Vivo Dosimeter With Real-Time Positional Tracking Information
D Tho1,2*, L Beaulieu1,2, (1) Departement de radio-oncologie et Centre de recherche du CHU de Quebec CHU, Quebec,QC,CA, (2) Departement de physique de genie physique et doptique, et Centre de recherche sur le Cancer, Universite Laval, Quebec, QC, CA
PO-GeP-T-283Development of a 3D Printed Geiger Mueller Calibration Geometry to Verify the Activity of a Novel Endoscopic Alpha Emitters Brachytherapy Loading Device for Pancreatic Cancer
Y Kamio1, 2*, J Carrier2, S Bedwani2, (1) McGill University, Montreal, QC, CA, (2) CHUM hospital, Montreal, QC, CA
PO-GeP-T-295Development of Dosimetric Verification System for HDR Brachytherapy: A Feasibility Study
S Kang1*, J Chung2, W Cho3, S Kang2, K Kim1, D Shin1, T Suh1, (1) The Catholic University, College of Medicine, Seoul, 41, KR, (2) Seoul National University Bundang Hospital, Seongnam, 41, KR, (3) Boramae Medical Center, Seoul, ,KR
PO-GeP-T-298Development of Multiple Dwell Techniques in Horizontally-Oriented Leipzig-Style Applicators for Surface Brachytherapy Guided by a Model-Based Dose Calculation Algorithm
E Draeger*, D Pinkham, Z Chen, C Tien, Yale University School of Medicine, New Haven, CT
PO-GeP-T-302Development of Real-Time Dwell Verifier for HDR Brachytherapy Based On 64 Channels of Scintillation Fiber System
NH KWON1*, JS Kim2, JH Kim3, KP Kim4, GH Jahng5, SH Choi6, DW Kim2, (1) Yonsei University, Seoul, KR, (2) Department of Radiation Oncology, Yonsei Cancer Center, Seoul, KR, (3) CHA Bundang Medical Center, CHA University, Seongnam, Gyeonggi, KR (4) Kyung Hee University, Yongin-si, KR (5) Kyung Hee University Hospital at Gangdong, Seoul, KR (6) Division of Medical Radiation Equipment, Korea Institute of Radiological and Medical Sciences, Seoul, KR
PO-GeP-T-323Dosimetric Characterization of Bonvoisin-Gerard Esophageal Applicators with High Contrast Agent
K Xu1*, B Traughber1,2, E Harris1,2, T Podder1,2, (1) University Hospitals Cleveland Medical Center, Cleveland, OH, (2) Case Western Reserve University, Cleveland, OH
PO-GeP-T-326Dosimetric Comparison of Elekta Vaginal CT/MR Multi-Lumen and Segmented Single Lumen Cylinder HDR Applicators of the Same Diameter
S James*, M Gagne, A Al-Basheer, C Huh, Augusta University, Augusta, GA
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-333Dosimetric Comparison of Vaginal Ovoid with Cylinder Brachytherapy for Borderline Size of Tumor at the Vaginal Cuff
X Wu*, A Nikolaev, D Bridges, S Shen, R Kim, Univ Alabama Birmingham, Birmingham, AL
PO-GeP-T-335Dosimetric Effect of the Applicator Removal From Target Volumes for Cervical Cancer Patients Treated with the Venezia Applicator
Z Xu1*, B Traughber1,2, E Harris1,2, T Podder1,2, (1) University Hospital Seidman Cancer Center, Cleveland, OH, (2) Case Western Reserve University, Cleveland, OH
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-368Effect of Systematic Error of Ovoid Path Reconstruction in Cervical Cancer Brachytherapy Treatment Using Venezia Applicator
M Paudel1*, J Da Re2, A Shaaer3, E Leung1, A Ravi1, (1) Sunnybrook Odette Cancer Center, University of Toronto, Toronto, ON, CA, (2) McMaster University, Hamilton, ON, CA,(3) Ryerson University, Toronto, ON, CA
PO-GeP-T-371Effects of Tissue Inhomogeneity and Applicator Physical Properties On 3-D HDR Tandem and Ovoid Treatment Plans
D Kahn*, J Roberson, Z Xu, J Kim, S Lu, A Hsia, X Qian, S Ryu, Stony Brook University Hospital, Department of Radiation Oncology, Stony Brook, NY
PO-GeP-T-377Endometrial Treatments with Electronic Brachytherapy. Comparison to Ir192 and Co60 HDR Sources
S Lozares1*, A Gandia1, V Alba1, S Jimenez1, M Hernandez1, J Font1, D Villa1, A Campos2, S Flamarique2, (1) Medical Physics Department Hospital Universitario Miguel Servet, Zaragoza (Spain), (2) Radiation Oncology Department Hospital Universitario Miguel Servet, Zaragoza, (Spain)
PO-GeP-T-387Establishing Total Time Index as An Investigative Parameter for Radiation Protection of Patients Undergoing High-Dose-Rate Brachytherapy
E Oyekunle1*, R Obed2, B Akinlade3, (1) University College Hospital, Mokola, OY, NG, (2) University of Ibadan,Ibadan, OY, NG, (3) University of Ibadan, College of Medicine, Univ. College Hospital, Ibadan, Ibadan, OY, NG
PO-GeP-T-408Evaluation of New Markers for the Interstitial Plastic Component in MR-Based Cervix Brachytherapy
J Chimeno Hernandez1, F Blazquez1, G Montoliu2, J Bosque2, G Jose1, J Ruiz Rodriguez1, V Carmona Meseguer1, F Lliso-Valverde1, J Perez-Calatayud1*, (1) Radiotherapy Department,Hospital Universitari i Politecnic La Fe, Valencia,Spain , (2) Radiodiagnostic Department, Hospital Universitari I Politecnic La Fe, Valencia, Spain
PO-GeP-T-441Eye Plaque Brachytherapy Treatment Planning with Fundus Image-Based Tumor Modeling: Retrospective Institutional Experience
I Chibirev1*, S Meltsner2, Z Chang3, M Materin4, D Kirsch5, O Craciunescu6, (1) Duke University, Durham, NC, (2) Duke University Medical Center, Durham, NC, (3) Duke University Medical Center, Durham, NC, (4) Duke University Medical Center, ,,(5) Duke University Medical Center, Durham, NC, (6) Duke University Medical Center, Durham, NC
PO-GeP-T-448Feasibility of High Dose Rate Brachytherapy Inverse Optimization of Treatment Plans for Patients with Dominant Intraprostatic Lesions Partially Covered by Pubic Arch Interference
Pedro Martinez1,2*, Kevin Martell2, Elizabeth Watt2, Siraj Husain2, Tyler Meyer1,2, Kundan Thind1,2, (1) University of Calgary, Calgary, AB, CA, (2) Tom Baker Cancer Centre, Calgary, AB, CA
PO-GeP-T-451Feasibility of Patient Specific 3D-Printed Template to Increase Coverage of Advanced Gynaecological Applicator
Venus W.Y. Lee1*, K. K. Kwan1, Winnie W. L. Yip1, Steven Cheung1, Victor H. F. Lee2, (1) Tuen Mun Hospital, Hong Kong, HK, (2) The University Of Hong Kong, HK
PO-GeP-T-457Feasibility Study to Use HDR Interstitial Brachytherapy for the Treatment of Small Skin Cancer at Nose
Z Gu*, J Robbins, A Kakakhel, Y Kim, University of Arizona, Tucson, AZ
PO-GeP-T-482Image Quality Through Ultrasound-Compatible Cylinders for Transvaginal Ultrasound-Guided Gynecologic High-Dose-Rate Brachytherapy
D Van Elburg1,2*, M Roumeliotis1,2, A Fenster3,4, J Rodgers3,4, T Meyer1,2, (1) University of Calgary, Calgary, AB, CA, (2) Tom Baker Cancer Centre, Calgary, AB, CA, (3) Robarts Research Institute, London, ON, CA, (4) University of Western Ontario, London, Ontario, CA
PO-GeP-T-490Impact of Radiation Source Activity On Short-Term Outcomes of Cervical Carcinoma Patients Treated with Brachytherapy: A Propensity Score Based Analysis
Chenguang Li 1*, Xiaofan Li 1, Jing You 1, Baosheng Liang 2, Yuliang Huang 1, Haiyang Wang 1, Yibao Zhang 1#, 1. Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Peking University Cancer Hospital & Institute, Beijing, CN. 2. Department of Biostatistics, Health Science Center, Peking University, Beijing, CN; Institute of Medical Technology, Peking University, Beijing, CN. #Corresponding author: Yibao Zhang, email: zhangyibao@pku.edu.cn
PO-GeP-T-516Incorporating Total Treatment Time Into Butterfly Optimization for Vaginal Cylinder Brachytherapy
X Wu*, I Brezovich, S Shen, E Covington, D Stanley, R Popple, Univ Alabama Birmingham, Birmingham, AL
PO-GeP-T-519Initial Experience with Mobius3D Secondary Dose Calculations for HDR Brachytherapy
J Huang*, M Lawless, J Miller, C Wallace, University of Wisconsin- Madison, Madison, WI
PO-GeP-T-526Interfraction Dose Deviation and Catheter Position in Cervical Interstitial and Intracavitary Image Guided HDR Brachytherapy
Y Xu*, T Harris, D O'Farrell, L Lee, M King, I Buzurovic, Brigham & Women's Hospital, Harvard Medical School, Boston MA
PO-GeP-T-527Intracavitary Versus Combined Intracavitary/Interstitial Applicators During High Dose Rate (HDR) Image Guided Adaptive Brachytherapy (IGABT) for Cervical Cancer: A Dosimetric Comparison
D Soultan*, T Bodine, A Hoover, Kansas University Medical Center, Department of Radiation Oncology, Kansas City, KS
PO-GeP-T-528Intra-Fractional Dose Variation of HR-CTV and Applicator Shift in Image-Guided Brachytherapy for Cervical Cancer
Y Takayama1*, K Edamitsu1, H Matsukawa2, K Matsumoto1, Y Kasai3, K Inoue1, T Hirose4, J Fukunaga4, Y Shioyama1, T Sasaki1, (1)Kyushu Univ. , Fukuoka-shi, Fukuoka-ken (2)Univ. of Occupational and Environmental Health, Kitakyushu-shi, Fukuoka-ken, JP,(3)Nagoya City Univ. Hosp. , Nagoya-shi, Aichi-ken, JP ,Fukuoka, ,JP, (4) Kyushu Univ. Hosp. , Fukuoka-shi, Fukuoka-ken, JP
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-550Investigations of Well Chamber Altitude Corrections for a Cs-131 Low Energy Brachytherapy Source
J Lambeck*, W Kennan, L DeWerd, University of WI-Madison/MRRC, Madison, WI
PO-GeP-T-566Liver Contouring Technique Comparison for Y90 Microspheres Liver Radioembolization for Patients with Non-HCC Liver Disease
D Alvarez1*, R Gandhi2, M Chuong3, A Gutierrez4, (1) Miami Cancer Institute, Miami, FL, (2) Miami Cardiac & Vascular Institute, Miami, FL,(3) Miami Cancer Institute, Miami, FL, (4) Miami Cancer Institute, Miami, FL
PO-GeP-T-569Low Cost Radiochromic Film Based QA Device for Brachytherapy Afterloader
D Johnson1*, Z Richards2, L Muller3, Y Chen4, (1) The University of Kansas Medical Center, Kansas City, KS, (2) University of Oklahoma Health Sciences Center, Edmond, OK, (3) St Peters, Albany, NY, (4) University of Oklahoma Health Sciences Center, Oklahoma City, OK
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-600Multi-Source Conformal Superficial Brachytherapy: A Dose Escalation Study
B Rogers1*, J Lawrence2, C Ferreira3, (1) University of Minnesota - Twin Cities, Minneapolis, MN, (2) University of Minnesota, Saint Paul, MN, (3) University of Minnesota, Minneapolis, MN
PO-GeP-T-679Quantitative Analysis and Quality Assurance (QA) of Gynecological Brachytherapy Applicators Using Radiochromic Film Dosimetry
S Aldelaijan1,2,3*, Y Khouj1, M Khosravi1, T Harris1, D O'Farrell1, M Jacobson1, J Seuntjens2, S Devic2,4, I Buzurovic1, (1) Brigham and Women's Hospital, Dana Farber Cancer Institute, Harvard Medial School, Boston, MA, (2) McGill University, Montreal, QC, CA, (3) King Faisal Specialist Hospital & Research Center, Riyadh, KSA, (4) Jewish General Hospital, Montreal, QC, CA,
PO-GeP-T-687Radiochromic Film Based Dosimetry of Novel Rectal Electronic-Brachytherapy Applicator
L Liang1*, N Tomic1, S Devic1, F Piccolo1, L Kelley2, T Furtado3, T Vuong1, (1) Department of Radiation Oncology, Jewish General Hospital, McGill University, Montreal, QC, Canada, (2) Xoft Inc., a subsidiary of iCAD, San Jose, CA, (3) Atd Design & Mfg Services Inc., Montreal, QC, Canada
PO-GeP-T-698Real-Time MOSkin In-Vivo Rectal Dosimetry for TRUS Based HDR Prostate Brachytherapy
J Poder1,2*, A Howie1, R Brown1, J Bucci1, A Rosenfeld2, K Enari1, K Schreiber1, M Carrara3, D Malouf1, D Cutajar2, (1) St George Cancer Care Centre, Kogarah, NSW, AUS (2) University of Wollongong, Wollongong, NSW ,AU, (3) Fondazione IRCCS Istituto Nazionale dei Tumori, Milano, IT
PO-GeP-T-702Relationship Between Yttrium 90 Radioactivity Distribution and Treatment Response in Transarterial Radioembolization of Hepatocellular Carcinoma, An Institutional Study Results
C Adcock*, E Florez, A Patel, C M. Howard, A Fatemi, H Khosravi, University of Mississippi Medical Center, Jackson, MS
PO-GeP-T-717Sensitivity of Dose Distributions in Cervical Cancer Patients From Positioning Errors in Rotating Shield Brachytherapy
K Hopfensperger1*, Q Adams2, Y Kim2, X Wu3, W Xu3, K Patwardhan2, B Thammavong2, R Flynn2, (1) Department of Biomedical Engineering, University of Iowa, Iowa City, IA, (2) Department of Radiation Oncology, University of Iowa Hospitals and Clinics, Iowa City, IA, (3) Department of Electrical and Computer Engineering, University of Iowa, Iowa City, IA.
PO-GeP-T-723Simulation-Based Assessment of Dosimetric Uncertainty Due to Catheter Reconstruction Error in TRUS-Guided Prostate HDR Brachytherapy
K Dekker, C Joshi, A Kerr*, Cancer Centre of Southeastern Ontario - Kingston General Hospital, Kingston, ONCA,
PO-GeP-T-747Study On the Verification of the Source Positioning and Dwell Time Based On the Well-Chamber
Qiang Zhao*, Xiangyang Wu
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-762The Development of a Multi-Material 3D Printed Brachytherapy Training Phantom for Enhanced Resident Training
S Campelo1*, E Subashi2, Z Chang3, S Meltsner3, J Chino3, O Craciunescu3, (1) Duke Medical Physics Graduate Program, Durham, NC, (2) Memorial Sloan Kettering Cancer Center, New York, NY, (3) Duke University Medical Center, Durham, NC
PO-GeP-T-770The Effect of Spatiotemporal Variations in Thermal Neutron Transmission On Yb-169 Source Re-Activation Efficiency
RT Flynn1*, QE Adams1, KM Hopfensperger2, (1) Department of Radiation Oncology, University of Iowa, Iowa City, IA, (2) Department of Biomedical Engineering, The University of Iowa, Iowa City, IA
PO-GeP-T-785The Modular Remote Afterloader: A New Approach for Distributing and Delivering Yb-169 to Enable Clinical Intensity Modulated Brachytherapy
RT Flynn*, QA Adams, Department of Radiation Oncology, University of Iowa, Iowa City, IA
PO-GeP-T-811Treatment Planning Verification of In-Vivo OSLD Phantom Measurements
A Bowers*, J Keller, Thomas Jefferson University, Philadelphia, PA
PO-GeP-T-835Vaginal Cylinder HDR Brachytherapy: Effect of Inhomogeneity On Dose Calculation
M Meftahi*, W Song, Virginia Commonwealth University, Richmond, VA
SU-C-TRACK 5-0Advances in Permanent Seed/Source Implantation (PSI) Brachytherapy
F Mourtada1*, M Rivard2*, T Podder3*, (1) Christiana Care Hospital, Newark, DE, (2) Rhode Island Hospital / Brown University, Providence, RI, (3) University Hospitals Cleveland Medical Center, Cleveland, OH
SU-CD-TRACK 2-6Deep-Learning Assisted Automatic Segmentation of Interstitial Needles in 3D Ultrasound Based High Dose-Rate Brachytherapy of Prostate Cancer
B Han1*, F Wang2, L Xing1, H Bagshaw1, M Buyyounouski1, (1) Stanford Univ School of Medicine, Stanford, CA, (2) Tsinghua University, Beijing,China
TH-A-TRACK 3-1BEST IN PHYSICS (THERAPY): Deep Learning-Assisted Algorithm for Catheter Reconstruction During MR-Only Gynecological Interstitial Brachytherapy
A Shaaer1*, M Paudel2,3,M Smith4,F Tonolete4,E Leung 2,5,A Ravi2,3 (1) Department of Physics, Ryerson University, Toronto, ON, Canada, (2) Department of Radiation Oncology, University of Toronto, Toronto, ON, Canada, (3) Department of Medical Physics, Sunnybrook Health Sciences Centre, Toronto, ON, Canada, (4) Department of Radiation Therapy, Sunnybrook Health Sciences Centre, Toronto, ON, Canada, (5) Department of Radiation Oncology, Sunnybrook Health Sciences Centre, Toronto, ON, Canada
TH-A-TRACK 3-2Accurate Post-Implantation Dose Reconstruction of CivaSheet, Aided by Machine Learning Techniques
I Veltchev*, R Price, X Chen, K Howell, J Meyer, C Ma, Fox Chase Cancer Center, Philadelphia, PA
TH-A-TRACK 3-3Implementation of a Novel HDR Source Tracking Model for Source Quality Assurance Using Radiochromic Film Dosimetry
S Aldelaijan1,2,3*, S Devic2,4, H Bekerat2,4, P Papaconstadopoulos5, J Schneider2,4, J Seuntjens2, R Cormack1, I Buzurovic1, (1) Brigham and Women's Hospital, Dana-Farber Cancer Institute, Harvard Medial School, Boston, MA, (2) McGill University, Montreal, QC, CA, (3) King Faisal Specialist Hospital & Research Center, Riyadh, KSA, (4) Jewish General Hospital, Montreal, QC, CA, (5) Netherlands Cancer Institute, NL,
TH-A-TRACK 3-6Custom Template Design and Manufacture Automation for Interstitial Gynecological Brachytherapy
M Kudla1*,J Moore1,2,J Crook1,2,D Batchelar1,2, F Bachand1,2, (1) University of British Colombia, Kelowna, BC, CA, (2) BC Cancer - Kelowna, Kelowna, BC, CA
TH-A-TRACK 3-7Investigating the Impact of Model-Based Dose Calculation On Interstitial Lung Brachytherapy and Comparison to External Beam SBRT
D O'Connell*, A Chang, A Lee, P Venkat, M Hagio, Y Yang, S Park, UCLA School of Medicine, Los Angeles, CA
TH-AB-TRACK 4-12Validation of a Machine Learning Algorithm for Applicator Selection in High-Dose-Rate Cervical Brachytherapy
K Stenhouse*, M Roumeliotis, P McGeachy, Tom Baker Cancer Centre/University of Calgary, Calgary, AB, CA
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
TU-EF-TRACK 3-9Knowledge-Based Three-Dimensional Dose Prediction for Tandem-And-Ovoid Brachytherapy
K Cortes*, A Simon, K Kallis, J Mayadev, S Meyers, K Moore, University of California San Diego, La Jolla, CA
WE-B-TRACK 2-7Toward Intraoperative 3D Ultrasound Guidance and Verification During Gynecologic Brachytherapy Procedures
J R Rodgers1*, J Bax1, L Mendez2, V Velker2, D D'Souza2, K Surry2, W T Hrinivich3, I Gyackov1, A Fenster1, (1) Robarts Research Institute, Western University, (2) London Regional Cancer Program, London, ON, CA, (3) Johns Hopkins University School of Medicine, Baltimore, MD