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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # | show all

Keywords: portal imaging
MO-C930-GePD-F7-5Measurement of MLC Leaf Offset Behavior Using An Electronic Portal Imager
B Barraclough*, D Jacqmin , University of Wisconsin, Madison, WI
SU-F-KDBRA2-3Establishing the Sensitivity of Halcyon's Automatic Transit Image Acquisition for Treatment Error Detection
X Fave*, KL Moore, UC San Diego Moores Cancer Center, La Jolla, CA
SU-H400-GePD-F7-13D In-Vivo Portal Dosimetry for Hypo-Fractionated Radiotherapy with Flattening-Filter-Free Beams: First Results
A Taborda1 , J Stroom1*, S Nijsten2 , C Greco1 , (1) Champalimaud Foundation, Department of Radiotherapy, Lisbon, Portugal (2) University Hospital of Maastricht, Department of Radiation Oncology (MAASTRO), Maastricht, The Netherlands
SU-H400-GePD-F7-3Portal Dosimetry Based Patient-Specific QA of a New Ring-Gantry Linac Yielded Similar Passing Rate Compared to a Portable Ion Chamber Array Based QA
P Teo*, F Li , K Fallon , P Kosterin , Z Shen , S Jang , R Lalonde , G Bednarz , M Huq , University of Pittsburgh Cancer Institute, Pittsburgh, PA
SU-I-GPD-J-10A Retrospective Study On Portal Imaging Dose to Organs at Risk in Head and Neck Patient IMRT Radiation Treatment
M Su1*, L Tena2 , S Sura1 , (1) Icahn School of Medicine at Mount Sinai , Elmhurst, NY, (2) Holy Name Medical Center, Teaneck, NJ
SU-I-GPD-J-66Real-Time Breathing Phase Identification Using Treatment Beams, EPID, and Deep Network
M Chen*, D Parsons , X Gu , W Lu , UT Southwestern Medical Center, Dallas, TX
SU-I-GPD-T-171Reducing Mean Heart Dose with OSMS Monitoring and PerFraction Verification
J Haywood1*, (1) Mercy Health Partners, Allendale, MI
SU-I-GPD-T-172Patient Specific VMAT QA for SRS with PerFraction
J Haywood1*, (1) Mercy Health Partners, Allendale, MI
SU-I-GPD-T-178Effect of Detector Offset and Automatic Offset Correction On Portal Dosimetry for IMRT QA
S Ferguson*, H Jin , S Ahmad , Oklahoma university Health Science Ctr., Oklahoma City, OK
SU-I-GPD-T-180Is Portal Dosimetry a Truly Absolute QA Tool for VMAT Pre-Treatment Verification?
H Ai*, K Huang , X Lu , Indiana University- School of Medicine, Indianapolis, IN
SU-I-GPD-T-318Routine Jaw Positioning QA for Analyzing Photon Junctions Using Half Beam Block Matching
K Harpool1,2*, S Crawford1,2 , W Snyder1,2 , P Schantz1,2 , J Dick1,2 , J Wei1,2 (1) Cancer Treatment Centers of America, Newnan, GA, (2) Landauer Medical Physics, LLC, Glenwood, IL
SU-K-205-1Convolutional Neural Network Fiducial Detection for Position Reconstruction Using a High-Efficiency Cadmium Tungstate Portal Imager
C Lindsay1*, W Ansbacher1 , I Gagne1 , J Star-Lack2 , M Bazalova-Carter3 , (1) British Columbia Cancer Agency - Vancouver Island Centre, Victoria, BC (2) Varian Medical Systems, Palo Alto, CA, (3) University of Victoria, Victoria, BC
TH-AB-KDBRB1-8A Stacking Method for Predicting Patient QA Passing Rates Using Machine Learning
D Lam*, T Dvergsten , T Zhao , D Yang , S Mutic , B Sun , Washington University in St Louis, St Louis, MO
TH-CD-DBRA-1A Dynamic Plastic Electric Portal Imaging Device (pEPID) Prototype for Combined Dosimetry and Imaging Applications in Radiotherapy
M Lu1*, Y Rong2 , S Benedict2 , J Zhang1 , J Steiger1 , (1) Varex Imaging Corp, Santa Clara, CA, (2) University of California-Davis, Sacramento, CA
TU-AB-205-7Application of a Novel Scintillating Glass for EPID-Based MV-CBCT
Y Hu1*, P Baturin2 , A Wang2 , J Rottmann1 , M Myronakis1 , R Fueglistaller3 , P Huber3 , M Shi4 , D Shedlock5 , D Morf3 , J Star-Lack2 , R Berbeco1 , (1) Department of Radiation Oncology, Brigham and Women's Hospital, Dana-Farber, Boston, MA, (2) Varian Medical Systems, Palo Alto, California, (3) Varian Medical Systems, Baden, Baden, (4) University of Massachusetts Lowell, Lowell, MA, (5) Varex Imaging Corporation, Knoxville, TN
TU-C1030-GePD-F5-4Recommendation of Fiducial Marker Implantation for Better MV Imaging Tracking Capability in Prostate Radiotherapy
T Ma*, J Kilian-Meneghin , L Kumaraswamy , Roswell Park Cancer Institute, Buffalo, NY, University at Buffalo, Buffalo, NY
TU-C1030-GePD-F8-4Image Quality Evaluation of Electronic Portal Imaging Using 2.5 MV X-Ray
S Nagamine*, K Takakura , J Fukunaga , T Hirose , N Hirano , R Matsumoto , K Hidaka , R Hirayama , D Nakanishi , Kyushu University Hospital, Fukuoka, Fukuoka
TU-C930-GePD-F3-1A Simple Approach to Perform Fast Electron Beam QA and Pre-Treatment Verification in Absolute Dose Using EPID
A Sors1*, P Dudouet1,2 , D Franck2 , M Mace1 , P Boucarut1 , C Boutry1 , (1) Clinique du Pont de Chaume - Groupe Oncorad Garonne, Montauban, France (2) Clinique Pasteur - Groupe Oncorad Garonne, Toulouse, France
TU-C930-GePD-F3-4Using a QA Test System to Determine Mechanical Tolerance Limits of Linacs for Highly Complex Treatment Plans
J Stroom*, A Taborda , S Vieira , C Greco , Champalimaud Centre for the Unknown, Lisbon, Lisbon
TU-C930-GePD-F9-1A Monte Carlo Study of the Impact of Electronic Noise On Low-Dose EPID Image Simulation
M Shi1 2*, M Myronakis2, Y Hu2, J Rottmann2, R Berbeco2, (1) University of Massachusetts Lowell, Lowell, MA, (2) Department of Radiation Oncology, Brigham and Women's Hospital, Dana Farber Cancer Institute, Harvard Medical School, Boston, MA
TU-C930-GePD-F9-2A Novel Method for Fast Image Simulation of Electronic Portal Imaging Device (EPID)
M Shi1 2*, M Myronakis2, Y Hu2, R Berbeco2, (1) University of Massachusetts Lowell, Lowell, MA, (2) Department of Radiation Oncology, Brigham and Women's Hospital, Dana Farber Cancer Institute, Harvard Medical School, Boston, MA
WE-C1000-GePD-F3-1Characterization of a Novel EPID Dosimetry System for KV X-Ray Exit Dose Verification in Pre-Clinical Studies
A Anvari*, Y Poirier , A Sawant , University of Maryland School of Medicine, Baltimore, MD
WE-C1000-GePD-F3-2Novel, EPID-Based Quality Assurance Framework for a Small Animal Image-Guided Radiotherapy System
A Anvari*, Y Poirier , A Sawant , University of Maryland School of Medicine, Baltimore, MD
WE-C1000-GePD-F5-1Real-Time Patient Breath Hold Assessment for Deep Inspiration Breath Hold (DIBH) Treatments of Breast Cancer Using Portal Imaging Based Monitoring
T Fuangrod1 , P Greer2,3 , J Lehmann2,3,4*, (1) HRH Princess Chulabhorn College of Medical Science, Bangkok, Thailand (2) Department of Radiation Oncology, Calvary Mater Newcastle, Newcastle, Australia, (3) School of Mathematical and Physical Sciences, University of Newcastle, Newcastle, Australia, (4) Institute of Medical Physics, University of Sydney, Sydney, Australia