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Education | IM | IM/TH | Leadership | TH | show all

Taxonomy: TH- Small Animal RT: Quality Assurance

BReP-SNAP-M-148Using An Independent Dose Calculation System to Optimize Clinical Thresholds and Reduce the Number of Physical Dose Measurements Required for Patient-Specific Quality Assurance
K Hasse*, B Ziemer, Y Natsuaki, G Valdes, E Hirata, T Solberg, J Scholey, A Witztum, UCSF Comprehensive Cancer Center, San Francisco, CA
BReP-SNAP-T-14A Multi-Institutional End-To-End Dosimetry Mail Audit for Orthovoltage Small Animal Irradiators
M Gronberg1*, R Tailor2, S Smith3, S Kry4, D Followill5, S Stojadinovic6, J Niedzielski7, P Lindsay8, S Krishnan9, J Aguirre10, T Fujimoto11, C Taniguchi12, R Howell13, (1) The University of Texas MD Anderson Cancer Center, Houston, TX, (2) The University of Texas MD Anderson Cancer Center, Houston, TX, (3) The University of Texas MD Anderson Cancer Center, Houston, TX, (4) The University of Texas MD Anderson Cancer Center, Houston, TX, (5) The University of Texas MD Anderson Cancer Center, Houston, TX, (6) The University of Texas Southwestern Medical Center, (7) The University of Texas MD Anderson Cancer Center, Houston, TX, (8) Radiation Medicine Program, Princess Margaret Cancer Centre, Toronto, ON, CA, (9) Mayo Clinic Jacksonville, Jacksonville, FL, (10) The University of Texas MD Anderson Cancer Center, Houston, TX, (11) The University Of Texas MD Anderson Cancer Center, (12) The University Of Texas MD Anderson Cancer Center, (13) The University of Texas MD Anderson Cancer Center, Houston, TX
BReP-SNAP-T-24An Investigation of Using Logfile Analysis for Automated Patient Specific Quality Assurance in MRgRT
S Lim1*, P G Scripes1, M Napolitano2, E Subashi1, N Tyagi1, L Cervino 1, D Lovelock1, (1) Memorial Sloan-Kettering Cancer Center, New York, NY, (2) Standard Imaging, Middleton, WI
BReP-SNAP-T-31Challenges in Implementation of MPGG5.a. for Non-Standard Delivery Systems
J Smilowitz*, P Hill, P Yadav, J Bayouth, University of Wisconsin, Madison, WI
BReP-SNAP-T-47Dosimetric Characterization of the HYPERSCINT Scintillation Dosimetry Research Platform for Multipoint Applications
E Jean1*, F Therriault-Proulx2, L Beaulieu3, (1) CHU de Quebec - Universite Laval, Quebec, QC, CA, (2) Medscint, Inc., Quebec, QC, CA, (3) Centre Hospitalier Univ de Quebec, Quebec, QC, CA
BReP-SNAP-T-57Error Detection and Classification in Patient Specific IMRT QA with Dual Neural Networks
N Potter*, K Mund, J Andreozzi, J Li, C Liu, G Yan, University of Florida, Gainesville, FL
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-90Institutional Performance On IROC Phantom as a Function of Phantom Type: A Multi-Variate Analysis
S Edward*, S Kry, D Followill, C Peterson, A Molineu, P Taylor, P Alvarez, The University of Texas MD Anderson Cancer Center, Houston, TX
BReP-SNAP-T-92IROC's TBI Phantom Results
A Molineu*, H Mehrens, D Followill, UT MD Anderson Cancer Center, Houston, TX
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
MO-E-TRACK 2-3First Imaging of Intrinsic Light Emission From Biological Tissue Visualized Proton Pencil Beam Scanning
P Bruza1*, R Zhang1,2, Y Lin3, M Rahman1, B Pogue1,4, (1) Dartmouth College, Hanover, NH, (2) Dartmouth Hitchcock Medical Center, Lebanon, NH, (3) Emory University, Atlanta, GA, (4) DoseOptics LLC, Lebanon, NH
PO-GeP-M-38A Simple Statistical Method to Reduce the Number of Patient-Specific QA Measurements for MR-Linac Adaptive Fractions
A Kim1*, M Ruschin1, C Mccann1, P Au1, A Singh1, A Sahgal2, B Keller1, (1) Sunnybrook Odette Cancer Centre, Department of Medical Physics, Toronto, ON, CA, (2) Sunnybrook Health Sciences Centre, Odette Cancer Centre, Department of Radiation Oncology, CA
PO-GeP-M-65ArcCHECK for Machine Commissioning and Patient Specific QA: Which Phantom Should Be Used?
Y Tian*, K Zhang, K Men, J Dai, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital,Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, Beijing,CN,
PO-GeP-M-186End-To-End Testing of Adaptive Radiotherapy in the Elekta MR-Linac Utilising 3d Printed Phantoms
A Axford1,2*, N Dikaios1, C H Clark2, D Roberts3, P Evans1,2, (1) The Centre for Vision Speech and Signal Processing (CVSSP), University of Surrey, Guildford, Surrey, UK (2) Metrology for Medical Physics(MEMPHYS), National Physical Laboratory, Teddington, UK(3) Elekta Ltd, Linac House, Crawley, UK
PO-GeP-M-384Statistical Process Control Analysis of Adaptive Patient Specific QA On the Elekta Unity MRI-Linac
S Strand*, A Boczkowski, J Snyder, D Hyer, S Yaddanapudi, D Dunkerley, J St-Aubin, University of Iowa, Iowa City, IA
PO-GeP-M-423Validation of An Automatic ACR Phantom Quality Assurance Tool for the Low-Field MR Guided Radiotherapy System
Y Gao1*, R Lotey2, P Hu1, Y Yang1, (1) University of California, Los Angeles, Los Angeles, CA, (2)Viewray Inc, Mountain View, CA
PO-GeP-P-19Validation of Dosimetric Commissioning Accuracy OfIMRT and RapidArc for Halcyon Linear Accelerator Using AAPM TG-119 Protocol
B Yang*, L Yu, Z Wang, W Li, J Zhang, T Pang, K Hu, F Zhang, J Qiu, Peking Union Medical College Hospital, Beijing, 11CN,
PO-GeP-P-41Evaluation of Patient Specific Quality Assurance Using Receiver Operator Characteristic Analysis
M Adili*, A Alrushoud, Prince Sultan Medical Military City
PO-GeP-P-64Transmission and Attenuation On 6DoF Couch Under All FFF and FF Photon Beams
R Foster* and M Xu, Northwestern Medicine Cancer Centers, Warrenville, IL and Geneva, IL
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-87Dose Verification of Constant Dose Rate and Constant Gantry Speed Arc Therapy (CDRCAS-IMAT) Planning Using 2D Detector Array
R Zhang1, W Bai2*, Y Feng1, W Jiang1, H Meng1, (1)Department of Biomedical Engineering, Tianjin University, Tianjin, China (2)The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei
PO-GeP-P-97Best Practice Guidance for Patient-Specific Quality Assurance for IMRT and VMAT Plan Delivery Verification
G Chan1*, A Abdellatif2, J Bissonnette3, L Chin4, D Comsa5, D Granville6, J Kraus Himmelman7, J King8, P Rapley9, A Vandermeer10, (1) Juravinski Cancer Center, Hamilton, ON, CA, (2) R.S. McLaughlin Durham Regional Cancer Centre, Oshawa, ON, CA, (3) Princess Margaret Cancer Centre, Toronto, ON, CA, (4) Odette Cancer Centre, Toronto, ON, CA, (5) Stronach Regional Cancer Centre, Newmarket, ON, CA, (6) The Ottawa Hospital, Ottawa, ON, CA, (7) Ontario Health (Cancer Care Ontario), Toronto, ON, CA, (8) Simcoe Muskoka Regional Cancer Centre, Barrie, ON, CA, (9) Thunder Bay Regional Health Sciences Center, Thunder Bay, ON, CA, (10) R.S. McLaughlin Durham Regional Cancer Centre, Oshawa, ON, CA
PO-GeP-T-17A Custom-Made Jig for In-Air Ionization Chamber Measurements and Quality Assurance of the Mark I-68 Cs-137 Irradiator
S Jayarathna*, R Tailor, H Moktan, S H Cho, The University of Texas MD Anderson Cancer Center, Houston, TX
PO-GeP-T-18A Database-Driven Verification System for CT Simulation, Contouring and Plan Optimization
M Ayles*, P Munger, D Martin, M Brunet-Benkhoucha, G Jarry, L Archambault, Hopital Maisonneuve-Rosemont, Montreal, QCCA,
PO-GeP-T-48A Novel Method for Beam Data and Model Analytics in the Eclipse Treatment Planning System
J Rogers*, Atrium Health - Rock Hill and Lancaster Radiation Therapy, Indian Land, SC
PO-GeP-T-68A Simple Technique for Measuring the Latency of Non-Radiographic Localization Systems
R Popple*, E Covington, University of Alabama at Birmingham, Birmingham, AL
PO-GeP-T-73A Systematic Log File Analysis Tool for the Mevion S250i Hyperscan System: First Year Experience
M Newpower1*, H Jin2, A Bunker3, S Ahmad4, Y Chen5, (1) University of Oklahoma Health Sciences Center, Shawnee, OK, (2) University of Oklahoma Health Science Center, Oklahoma City, OK, (3) Oregon Health and Science University School of Medicine, Portland, OR, (4) Oklahoma Univ. Health Science Ctr., Oklahoma City, OK, (5) University of Oklahoma Health Science Center, Oklahoma City, OK
PO-GeP-T-74A Systematic Study On the Angular Dependence of 2D Ion Chamber Array for Accurate IMRT Plan Quality Assurance
J Xu*, J Liu, I Veltchev, C Ma, Fox Chase Cancer Center, Philadelphia, PA
PO-GeP-T-93An Alternative Approach to Verify 6FFF Beam Dosimetry for Ethos and MR Linac Without Using a 3D Water Tank
Y Hao1*, B Cai1, O Green1, N Knutson1, S Yaddanapudi2, T Zhao1, V Rodriguez1, M Schmidt1, S Mutic1, B Sun1, (1) Washington University School of Medicine, St. Louis, MO, (2) University of Iowa, Iowa City, IA
PO-GeP-T-101An Investigation Into VMATPatient-Specific QA Pass Rates Influenced by Linac Performance
S Kucuker Dogan1*, D Schulze1, M Gopalakrishnan1, D Cutright2, (1) Northwestern Memorial Hospital, Chicago, IL, (2) University of Chicago Medicine, Chicago, IL
PO-GeP-T-104An Open Source Motorized Water Phantom for MR-Linac Commissioning
C V Guthier*, E Huynh, C L Williams, Dana-Farber/Brigham and Women's Cancer Center, Harvard Medical School, Boston, MA
PO-GeP-T-111Aperture Area in IMRT Studied Via Accumulated Dose Uncertainty Potential
E Shiba1,2*, A Saito2, M Furumi1, D Kawahara2, K Miki2, Y Murakami2, T Ohguri1, S Ozawa3, M Tsuneda4, K Yahara1, T Nishio4, Y Korogi1, Y Nagata2, (1) University of Occupational and Environmental Health, Fukuoka, JP, (2) Hiroshima University, Hiroshima, JP, (3) Hiroshima High-precision Radiotherapy Cancer Center, Hiroshima, JP, (4) Tokyo Women's Medical University, Tokyo, JP
PO-GeP-T-114Application of the Integral Quality Monitor (IQM) Transmission Detector for Optimization of Dosimetric Leaf Gap and Multi-Leaf Collimator Transmission Factor
S Martinez1*, D Dean2, M Ghafarian1, M Price1, K Homann1, (1) Vanderbilt University School of Medicine, Nashville, TN, (2) Clovis Community Medical Center,Clovis, CA
PO-GeP-T-121Assessing the Effect of Multiple Delivery Parameters in Patient-Specific QA for Poor Pass-Rates Using A Diode Array and Treatment Plans From Two Different Planning Systems
J Bogue*, E Parsai, University of Toledo Medical Center, Toledo, OH
PO-GeP-T-134Automated MLC QA Using XML Script and Developer Mode in TrueBeam
C Venencia1*, A Alarcon2, (1) Instituto Zunino, Cordoba, Cordoba, AR, (2) Instituto de Radioterapia, Cordoba, AR
PO-GeP-T-135Automated Picket Fence Test for Full MLC Bank On the Elekta Unity
D Dunkerley*, A Boczkowski, S Strand, T Geoghegan, J St-Aubin, S Yaddanapudi, J Snyder, D Hyer, University of Iowa, Iowa City, IA
PO-GeP-T-143Automatic Selection of An Absolute-Dose Verification Point for Volumetric-Modulated Arc Therapy Via Dose Uncertainty Potential Accumulation Model
A Saito1*, T Nakashima1, D Kawahara1, E Shiba2,1, T Matsuura3,1, K Fukata4, K Miki1, M Tsuneda5, T Nishio5, Y Nagata1, (1) Hiroshima University, Hiroshima, JP, (2) University of Occupational and Environmental Health, Fukuoka, JP, (3) Hiroshima High-precision Radiotherapy Cancer Center, Hiroshima, JP, (4) Keio University, Tokyo, JP, (5) Tokyo Women's Medical University, Tokyo, JP
PO-GeP-T-151Beam Parameters of Pediatric Plans with a Pencil Beam Scanning Proton System and Their Effects On Patient-Specific Quality Assurance
S Al-ward*, L Zhao, St. Jude Children's Research Hospital, Memphis, TN
PO-GeP-T-171Characterization of IMRT, SBRT and SRS Patient Plan Quality Assurance of a Novel Biology-Guided Radiotherapy (BgRT) Machine
D Zaks1*, A Purwar2, M Narayanan3, S Khan4, J White5, A Da Silva6, C Han7, J Liang8, D Du9, A Liu10, Y Voronenko11, D Pal12, D Rigie13, J Burns14, G Kuduvalli15, (1) RefleXion Medical, Hayward, CA, (2) RefleXion Medical, Hayward, CA, (3) Reflexion Medical, Hayward, CA, (4) Reflexion Medical, Hayward, CA, (5) Reflexion Medical, Hayward, CA, (6) RefleXion Medical,Hayward, CA, (7) City of Hope Medical Center, Duarte, CA, (8) City of Hope Medical Center, Duarte, CA, (9) City of Hope Medical Center, Duarte, CA, (10) City of Hope Medical Center, Duarte, CA, (11) RefleXion Medical, Hayward, CA, (12) RefleXion Medical ,Hayward, CA, (13) Reflexion Medical, Hayward, CA, (14) Reflexion Medical, Hayward, CA,(15) Reflexion Medical, Hayward, CA
PO-GeP-T-190Clinical Implementation of TG-218: Process-Based IMRT Analytics
B Granger1*, J McGlade1, F Mourtada1, (1) Christiana Care Hospital, Newark, DE
PO-GeP-T-204Commissioning Report of a High Field MR-Linac System
N Tyagi1*, E Subashi2, P Godoy Scripes3, J Mechalakos4, X Gonzalez Souto5, S Lim6, (1) Memorial Sloan-Kettering Cancer Center, New York, NY, (2) Memorial Sloan Kettering Cancer Center, New York, NY, (3) Memorial Sloan-Kettering Cancer Center, New York, NY, (4) Memorial Sloan-Kettering Cancer Center, New York, NY, (5) Elekta, Atlanta, GA, AF, (6) Memorial Sloan-Kettering Cancer Center, New York, NY
PO-GeP-T-217Comparison of Clinical Trial and Non-Trial Pass Rates for IROC Houston's HN and Lung Phantoms
H Mehrens*, T Nguyen, N Hernandez, B Lewis, N Pajot, A Molineu, D Followill, The University of Texas MD Anderson Cancer Center, Houston, TX
PO-GeP-T-223Comparison of Location Accuracy Between the Jaw and MLC Using a High Sampling Rate Log File
M Seo*, S Nishiyama, K Makabe, M Kuramochi, T Suzuki, H Tomita, Saiseikai Kawaguchi General Hospital, Kawaguchi, SaitamaJP,
PO-GeP-T-234Comparison of Vendor-Dependent Versus Commercially-Available, Independent LINAC Quality Assurance (QA) for Daily QA
C Stambaugh*, C Melhus, Tufts Medical Center, Boston, MA
PO-GeP-T-274Determination of Machine-Specific Tolerances Based On Long-Term Monthly QA Dosimetry Results in Proton Therapy
S Rana1*, H Grewal1, M Chacko1, C Eckert1, M Storey1, J Chang1, A Rosenfeld2, (1) The Oklahoma Proton Center, Oklahoma City, OK, (2) University of Wollongong, Wollongong, Australia
PO-GeP-T-293Development of An Automated Quality Control Test of the Asymmetric Jaws Position
Pedro Martinez1,2*, Malgorzata D'Souza2, Jacob Groeneveld3, Charles Kirkby3, David Sinn4, Wendy Smith1,2, (1) University of Calgary, Calgary, AB, CA, (2) Tom Baker Cancer Centre, Calgary, AB, CA, (3) Jack Ady Cancer Centre, Lethbridge, AB, CA, (4) Cross Cancer Institute, Edmonton, AB, 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-300Development of QA Programs for the Halcyon Linac
K Motegi*, H Tachibana, K Hotta, H Baba, R Takahashi, T Akimoto, National Cancer Center Hospital East
PO-GeP-T-303Development of the Scintillator Imaging System for the Measurement of the Dose Volume with High-Sampling Rate
M Tsuneda1*, T Nishio1, T Ezura2, K Karasawa1, (1) Tokyo Women's Medical University, Shinjuku-ku, Tokyo, JP, (2) Kanagawa Cancer Center, Yokohama, Kanagawa, JP
PO-GeP-T-310Dose Prediction for Patient-Specific QA Using a Convolutional Neural Network
K Mund*, G Yan, University of Florida, Gainesville, FL
PO-GeP-T-375Efficient Quality Assurance Method for Multi-Lesion Stereotactic Radiosurgery Treatment with a Single Isocenter
H Kang*, S Gros, R Patel, Loyola Univ Medical Center, Maywood, IL
PO-GeP-T-376Empirical Investigation of Dosimetric Effects of Biozorb Markers for Proton Accelerated Partial Breast Irradiation
M Parham, S Ahmad, H Jin*, University of Oklahoma Health Sciences Center, Oklahoma City, OK
PO-GeP-T-385Error Detection Sensitivity of the SNC and PTW Patient-Specific Qualityassurance Devices
B Rudek1*, M Manavalan2, J Xue1, (1) NYU Langone Health, New York, NY, (2) PTW North America Corporation, New York, NY
PO-GeP-T-396Evaluation of a Diode Array for Patient Specific QA of An Automated VMAT SRS System
R Popple*, R Sullivan, Y Yuan, X Wu, University of Alabama at Birmingham, Birmingham, AL
PO-GeP-T-399Evaluation of a Novel EPID Based Dosimetry System for Verification of VMAT QA in Comparison with Traditional 3D Detector Quality Assurance
R Varadhan1*, S Way2, C Overbeck3, M Bedoya4, A Jahagirdar5, R Malmin6, R Malmin7, (1) Minneapolis Radiation Oncology, ,,(2) Minneapolis Radiation Oncology, ,,(3) Minneapolis Radiation Oncology, ,,(4) Minneapolis Radiation Oncology, ,,(5) Edina High School, ,,(6) Minneapolis Radiation Oncology,
PO-GeP-T-403Evaluation of Automated Machine Performance Check in Periodic Quality Assurance of the Halcyon
D Mynampati1*, S Hsu1,2, P Brodin1,2, A Basavatia1, W Tome1,2, (1) Montefiore Medical Center, Bronx, NY, (2) Albert Einstein College of Medicine, Bronx, NY
PO-GeP-T-419Evaluation of the Optimal Collimator Angle in a Prostate VMAT Plan Using a Novel MLC QA with a High Sampling Rate Log File
S Nishiyama*, M Seo, K Makabe, M Kuramochi, T Suzuki, H Tomita,
PO-GeP-T-425Evaluation of Trends and Performance Indicators for IROC Houston's SRS Head Phantom
H Mehrens*, T Nguyen, M Glenn, D Branco, S Edward, S Hartzell, N Hernandez, P Alvarez, A Molineu, P Taylor, D Followill, S Kry, MD Anderson, Houston, TX
PO-GeP-T-427Evaluation of Various Modulation Indices for Predicting VMAT Delivery Accuracy
T Kusunoki1,2*, S Hatanaka2, M Hariu2, M Shimbo2, T Ezura1, D Yoshida1, T Takahashi2, (1) Kanagawa Cancer Center, Yokohama, Kanagawa, JP, (2) Saitama Medical Center, Saitama Medical University, Kawagoe, Saitama, JP,
PO-GeP-T-431Examining ArcCHECK Array Calibration Validity and Its Impact On Patient Specific QA Results
H Nusrat1,2*, L Lukhumaidze1, A Singh1, P Au1, Y Lee1,2, M Davidson1,2, (1) Department of Medical Physics, Odette Cancer Centre, Sunnybrook Health Sciences Centre, Toronto, ON, CA, (2) Department of Radiation Oncology, University of Toronto, Toronto, ON, CA
PO-GeP-T-447Feasibility of End-To-End Quality Assurance of FSRT Brain Treatments Using An In-House Developed Anthropomorphic Head Phantom
KM Alexander1, K Dekker1, T Olding1,2, LJ Schreiner2*, (1) Cancer Centre Of Southeastern Ontario At Kingston Health Sciences Centre, Kingston, ON, CA, (2) Queen's University, Kingston, ON, CA
PO-GeP-T-477High Accuracy Measurement of Absorbed Dose to Water Using Optically Stimulated Luminescence Dosimeter in High-Energy Photon Beam Field
S Goto1,2*, H Hayashi1, H Yamaguchi2, M Shimizu2, R Akino3, H Sekiguchi3, (1) College Of Medical, Pharmaceutical And Health Sciences, Kanazawa University, Kanazawa, Japan, (2) National Institute Of Advanced Industrial Science And Technology, Japan, (3) Nagase-Landauer, Ltd.
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-508Improved Prediction of MLC and Gantry Errors During VMAT Delivery Utilizing An Artificial Neural Network
I Hajizadeh*, M Price, A Yock, Vanderbilt Univ. Medical Ctr., Nashville, TN
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-548Investigation On the Portability of Patient-Specific Quality Assurance Between Matched Linear Accelerators
B Barraclough*, S Frigo, Z Labby, University of Wisconsin, Madison, WI
PO-GeP-T-558Lead Foil for Flattening Filter Free Reference Dosimetry: Do We Really Need It?
D Campos1*, (1) Allegheny Health Network, Pittsburgh, PA
PO-GeP-T-564Linac-Based SBRT Delivery QA and Decreased Gamma Criteria
R Price*, I Veltchev, T Lin, A Eldib, L Chen, X Chen, L Jin, L Wang, J Liu, C Ma, Fox Chase Cancer Center, Philadelphia, PA
PO-GeP-T-579Microdosimetric Assessment of Model Based Relative Biological Effectiveness in Carbon Ion Therapy
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-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-586Modulation Complexity Score Evaluation for Multitarget Site Planning Using VMAT and IMRT Technique
Gopishankar Natanasabapathi*, Dhanabalan Rajasekharan, Surendra Kumar Saini, Vellaiyan Subramani, Laviraj Macherla, Rajkishor Bisht, Dayanand Sharma, Subash Chander, Gourakishor Rath, All India Institute of Medical Sciences, New Delhi, India
PO-GeP-T-606On the Feasibility of Angle-Resolved Portal Dosimetry for Patient Specific Quality Assurance of VMAT Plans
E Draeger*, W Donahue, Z Chen, Yale University School of Medicine, New Haven, CT
PO-GeP-T-623Overview of IROC Houston's Process for Credentialing and Phantom Irradiation
H Mehrens, N Hernandez, T Nguyen*, B Lewis, N Hernandez, N Pajot, S Cheng, A Molineu, D Followill, MD Anderson Cancer Center, Houston, TX
PO-GeP-T-632Patient-Specific Quality Assurance Using Trajectory Log File-Based Dose Reconstruction for SRS VMAT
H Park1*, J Park2, M Artz2, S Huh2, (1) Ajou University School of Medicine, Suwon, KR (2) University of Florida Health Proton Therapy Institute, Jacksonville, FL, USA
PO-GeP-T-634Performance Characterization of a Clinical 1.5 T MR-Linac
B Keller1*, A Kim1, V Iakovenko1, M Ruschin1, C McCann1, D Beachey1, B Chugh1, A Elzibak1, A Sahgal2, A Sarfehnia1, (1) Sunnybrook Health Sciences Centre, Odette Cancer Centre, Department of Medical Physics, Toronto, ON, CA, (2) Sunnybrook Health Sciences Centre, Odette Cancer Centre, Department of Radiation Oncology, ON, CA
PO-GeP-T-635Performance of a Multi Leaf Collimator System On 1.5T MR-Linac
K Zhang*, Y Tian, K Men, J Dai, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital,Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, Beijing, CN,
PO-GeP-T-655Predictive Gamma Passing Rate of 3D Array Detector-Based VMAT QA Via Deep Learning Combining Dose Distribution and Accumulated Dose Uncertainty Potential Distribution
T Matsuura1,2*, D Kawahara2, A Saito3, E Shiba4, K Yamada1, S Ozawa1,2, Y Nagata1,2, (1) Hiroshima High-precision Radiotherapy Cancer Center, JP, (2) Hiroshima University, JP, (3) Hiroshima University Hospital, JP, (4) University of Occupational and Environmental Health, JP
PO-GeP-T-672Quality Assurance Tool for Determination of Position and Transit Time of a Co-60 Source in High Dose Rate Brachytherapy
G Piriz1, H Ortega2, G Gonzalez-Sprinberg2*, (1) Faculty of Medicine, Universidad de la Republica, Montevideo, UY, (2) Faculty of Sciences, Universidad de la Republica, Montevideo, UY
PO-GeP-T-676Quantified VMAT Plan Complexity in Relation to Measurement-Based Quality Assurance Results
M Nguyen*, G Chan, Juravinski Cancer Center, Hamilton, ON, CA
PO-GeP-T-680Quantitative Assessment Based On a Yearlong Survey of the Production of Radioactive Materials in Mevion Hyperscan Proton Therapy System
B Chiang*, G Macdurmon, S Ahmad, Y Chen, University of Oklahoma Health Sciences Center, Oklahoma City, OK
PO-GeP-T-716Sensitivity of Detecting MLC Positioning Errors for SBRT Treatment at Halcyon Linac
J Allen*, W Luo, D Pokhrel, University of Kentucky, Lexington, KY
PO-GeP-T-730Software Based Pre-Failure Characterization of Faulty MLC Drivetrains Using Trajectory Logs
J Kowalski*1, E Wolf1, N Kumar1,D Moyer2, B McGill1, M Lamba 1, D Ionascu1, (1) University of Cincinnati College of Medicine, Cincinnati, OH, (2) Lehigh Valley Health Network, Allentown, PA
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-752Systematic Evaluations of a Flat-Panel Imager for Intensity-Modulated Proton Therapy (IMPT) Plan Patient-Specific QA
Z Su1*, S Rossomme2, W Hsi3, (1) University of Florida, Jacksonville, FL, (2) IBA Dosimetry (3) University of Florida, Jacksonville, FL,
PO-GeP-T-759The Correlation of MLCleaf Trajectory Errors and Gamma Passing Rates of Patient-Specific ArcCheck-Based QA for Varian TrueBeam VMAT
Y Watanabe*, L Claps, University of Minnesota, Minneapolis, MN
PO-GeP-T-772The Impact of Envelope Smoothing On Photon and Electron Beam Profile Characteristics
K Jiang*, M MacFarlane, M Guerrero, S Becker, S Chen, S Lee, Department of Radiation Oncology, University of Maryland, Baltimore, MD
PO-GeP-T-778The Impact of Standardization of Gamma Criteria On Imaging Radiation Oncology Core Phantoms Analysis
F Brooks1*, M Glenn1, M Hussein2, C Clark3, J Lye4, J Lehmann5, I Silvestre2, S Kry1, (1) The University of Texas MD Anderson Cancer Center, Houston, TX, US, (2) National Physics Laboratory, Teddington, UK, (3) Royal Marsden Hospital, London, UK, (4) Australian Clinical Dosimetry Service, ARPANSA, Melbourne, AU, (5) Newcastle Mater Hospital, Newcastle, AU
PO-GeP-T-779The Impact of the Source-Imager-Distance On the Results of EPID-Based Patient-Specific QA
G Kuzmin*, P Xia, P Qi, The Cleveland Clinic Foundation, Cleveland, OH
PO-GeP-T-824Use of Octavius 4D for the Patient Specific Dose Validation of Single-Isocenter Multiple Brain Metastasis Stereotactic Radiosurgery
J McCulloch*, J Pawlowski, N Kirby, K Rasmussen, Z Shi, P Myers, S Stathakis, N Papanikolaou, D Saenz, Mays Cancer Center - MD Anderson Cancer Center, San Antonio, TX
PO-GeP-T-826Using a Commercial Convolution/Superposition Dose Engine for MR-LINAC On-Line Plan QA
Y Li1*, T Song2, B Wang1, S Ding1, H Liu1, Y XIA1, X HUANG1, (1) Sun Yat-sen University Cancer Center, Guangzhou, ,CN, (2) Southern Medical University, Guangzhou, Guangdong, CN
PO-GeP-T-832Using Varian Eclipse as An Independent MU Check for MRI-Guided Radiation Therapy
J Yang*, P Zhang, N Tyagi, P Godoy Scripes, J Mechalakos, A Li, D Lovelock, S Lim, Memorial Sloan-Kettering Cancer Center, New York, NY
PO-GeP-T-838Validation of a New Tool for Testing Spatial Accuracy of Off-Axis Beam Apertures Used in Single-Isocenter Stereotactic Treatment of Multiple-Metastases of the Brain
D Pinkham1*, A Murray2, H Kudrolli2, S Hancock3 (1) Yale School of Medicine, New Haven, CT, (2) Sun Nuclear Corporation, Melbourne, FL, (3) Southeast Missouri Hospital, Cape Girardeau, MO
PO-GeP-T-840Validation of a Software Module to Verify the Fidelity of Arc Plan Delivery in Real Time
V Sarkar*, A Paxton, J Kunz, M Szegedi, G Nelson, P Rassiah-Szegedi, H Zhao, Y Huang, F Su, B Salter, University of Utah, Salt Lake City, UT
PO-GeP-T-842Validation of COMPASS for Pre-Treatment Patient-Specific Quality Assurance
S Sharma*, M Sairem, A Binjola, V Subramani, S Chander, All India Institute Of Medical Sciences
PO-GeP-T-849Verification of MV Radiation Isocenter Using the CIRS ISO Phantom Model 23A
W Donahue1*, H Chen1, M Lazea2, Z Chen1, B Wang1, (1) Yale Univ. School of Medicine, New Haven, CT, (2) CIRS, Norfolk, VA
SU-E-TRACK 3-1BEST IN PHYSICS (THERAPY): The Role of Beam Modeling Errors in IROC Houston Phantom Failures
M Glenn*, C Peterson, R Howell, D Followill, J Pollard-Larkin, S Kry, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
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-D-TRACK 6-1An Integrated Quality Assurance Phantom for Frameless Single-Isocenter Multitarget Stereotactic Radiosurgery: A Multi-Institutional Trial
D Capaldi1*, T Nano2, L Skinner3, C Chuang4, P Dubrowski5, L Xing6, A Yu7, (1) Stanford University, Stanford, CA, (2) University of California, San Franisco, San Francisco, CA, (3) Stanford University Cancer Center, Stanford, CA, (4) Stanford, Stanford, CA, (5) Stanford University, San Jose, CA, (6) Stanford Univ School of Medicine, Stanford, CA, (7) Stanford University Cancer Center, Stanford, CA
TU-EF-TRACK 2-14Scintillation Imaging for 2D Beam Characterization and Output Measurement for MR-Linac Quality Assurance
D Alexander1*, R Zhang2,3, P Bruza1, B Pogue1,2,3, D Gladstone1,2,3, (1) Thayer School of Engineering, Dartmouth College, Hanover, NH, (2) Geisel School of Medicine, Dartmouth College, Hanover, NH, (3) Norris Cotton Cancer Center, Dartmouth-Hitchcock Medical Center, Lebanon, NH