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MO-C930-GePD-F2-4 | Simultaneous Multi-Organ Segmentation Using Multi-Source Adaptive MR Fusion L Zhang1*, F Yin2 , J Cai3 , (1) Duke University Medical Center, Durham, NC, (2) Duke University Medical Center, Durham, NC, (3) The Hong Kong Polytechnic University, Kowloon, Yau Tsim Mong |
MO-C930-GePD-F2-5 | Testing and Implementation of Atlas Based Segmentation for Radiotherapy Treatment Planning M Jameson*, J Hellyer , C Choong , G Dinsdale , Ingham Institute & Liverpool Cancer Centre, Sydney, NSW |
MO-C930-GePD-F4-1 | An Image Processing Technique for Identification of Interstitial Catheters in High- and Low-Field MR-Guided HDR Brachytherapy K Singhrao*, S Park , T Wong , Y Gao , M Guo , J Fu , P Hu , Y Yang , A Chang , J Lewis , UCLA School of Medicine, Los Angeles, CA |
MO-C930-GePD-F5-4 | Enhancement of Super-Resolution Time-Resolved 4DMRI Reconstruction in Low-Contrast Tissue by Two-Step Deformable Image Registration X Nie1*, K Huang2 , S Sharma3 , J Deasy4 , A Rimner5 , G Li6 , (1) Memorial Slona Kettering Cancer Center, New York, NY, (2) Memorial Slona Kettering Cancer Center, New York, NY, (3) Memorial Slona Kettering Cancer Center, New York, NY, (4) Memorial Sloan Kettering Cancer Center, New York, NY, (5) Memorial Sloan Kettering Cancer center, New York, NY, (6) Memorial Sloan Kettering Cancer Center, New York, NY |
MO-C930-GePD-F8-1 | Does Diffusion Kurtosis Imaging Add Value for Early Prediction of the Response to Neoadjuvant Chemoradiation in Esophageal Cancer? B Musall*, S Lin , P Fang , B Carter , J Son , B Fellman , J Ma , University of Texas MD Anderson Cancer Center, Houston, TX |
MO-C930-GePD-F8-3 | Quantitative Analysis of Chemical Substances in Brain Gliomas by MRI-DWI Radiomics H Deng1*, G Gong1 , Q Qiu1 , Y Yin1 , (1) Shandong Cancer Hospital Affiliated to Shandong University, Shandong Academy of Medical Sciences |
MO-C930-GePD-F8-5 | T2* MRI Presents Differences in Iron Deposition in Essential Tremor and Parkinsons Disease E Cameron1,2*, K Ostrowski1 , JP Dyke3 , W Bogner4 , J Ukropec5 , ED Louis6 , U Dydak1,2 , (1) Purdue University, West Lafayette, IN, (2) Indiana University School of Medicine, Indianapolis, IN, (3) Weill Cornell Medicine, New York, NY, (4) Medical University of Vienna, Vienna, Austria. (5) Slovak Academy of Sciences, Bratislava, Slovakia. (6) Yale University, New Haven, CT. |
MO-E115-GePD-F6-2 | Dose-Dependent Changes in Regional Lung Function Detected 6-12 Weeks After Radiation Therapy: A Novel Application of Hyperpolarized-129Xe MRI L Rankine1*, Z Wang2 , C Kelsey3 , S Das1 , L Marks1 , B Driehuys2 , (1) Department of Radiation Oncology, The University of North Carolina at Chapel Hill, Chapel Hill, NC, (2) Center for In-Vivo Microscopy, Duke University, Durham, NC, (3) Department of Radiation Oncology, Duke University Medical Center, Durham, NC |
MO-E115-GePD-F8-1 | Displacement Forces On MR Conditional Laryngoscopes M Goette*, N Desai , Texas Children's Hospital, Houston, TX |
MO-E115-GePD-F8-3 | Implantable Pulse Generator Radiofrequency Safety Considerations for Low Field MRI-Guided Radiotherapy H Gach1*, (1) Washington University in St. Louis, St. Louis, MO |
MO-I345-GePD-F6-1 | Chemoablation Agent Imaging with Background-Free 19F-MRI E Thompson1*, S Einstein1 , J Bankson1 , E Cressman2 , (1) Department of Imaging Physics, MD Anderson Cancer Center, Houston, TX, (2) Department of Interventional Radiology, UT MD Anderson Cancer Center, Houston, TX |
MO-I345-GePD-F8-2 | Comparison of B1 Field-Calibrated Specific Absorption Rate Estimation Between a Whole-Body and a Compact 3T MR Scanner Y Shu , N Huber , S Tao , M In , J Trzasko , J Huston , M Bernstein*, Mayo Clinic, Rochester, MN |
MO-J430-CAMPUS-F2-1 | An Evaluation of Fiducial Marker Visibility for MR-Guided Radiotherapy in a 3D-Printed Anthropomorphic Multimodality Phantom K Singhrao*, Y Gao , J Fu , M Guo , Y Yang , P Hu , A Kishan , C King , J Lewis , UCLA School of Medicine, Los Angeles, CA |
MO-J430-CAMPUS-F2-5 | MRI Characterization of Thermoembolization, a Novel Transarterial Intervention SJ Fahrenholtz1*, C Guo2 , Christopher MacLellan1 , J Yung1 , K Hwang1 , RJ Stafford1 , E Cressman2 , (1) Imaging Physics Dept., UT MD Anderson Cancer Center, Houston, TX (2) Interventional Radiology Dept., UT MD Anderson Cancer Center, Houston, TX |
SU-F-207-3 | Design and Implementation of a Flexible Imaging Sequence for Pre-Clinical Hyperpolarized 13C MRI K Michel1*, C Walker1 , J Niedzielski1 , Y Chen1 , S Lai1 , M Ravoori1 , V Kundra1 , M Merritt2 , J Bankson1 , (1) The University of Texas M.D. Anderson Cancer Ctr., Houston, TX, (2) University of Florida, Gainesville, FL |
SU-F-DBRA-2 | Automatic Tandem and Ring Digitization for MRI-Guided Cervical Cancer Brachytherapy WT Hrinivich*, M Morcos, J Lee, A Viswanathan, T McNutt, Department of Radiation Oncology and Molecular Radiation Sciences, Johns Hopkins University, Baltimore, MD |
SU-F-KDBRA2-6 | Radiation Map and Effective Tenth Value Layer Measurements of An MR-Guided Jawless Ring-Gantry Linear Accelerator O Green*, B Cai , J Cammin , A Price , S Mutic , S Goddu , Washington University, St. Louis, MO |
SU-F-KDBRB1-1 | An Imaging-Informed Model for Convection Enhanced Radio-Liposome Delivery R Woodall1*, D Hormuth1 , X Feng1 , W Phillips2 , A Bao3 , A Brenner2 , T Yankeelov1 , (1) The University of Texas at Austin, Austin, TX, (2) The University Of Texas San Antonio, San Antonio, Texas, (3) University Hospitals Cleveland Medical Center, Cleveland, OH |
SU-F-KDBRB1-2 | Tumor Targeting and Cancer Cell Penetrating Theranostic Gadolinium Nanoparticles for Image-Guided Nanoparticle-Enhanced Radiation Therapy W Liu*, J Deacon , H Yan , B Sun , Y Liu , D Hegan , K Roberts , P Glazer , Z Chen , R Nath , Yale University and Yale-New Haven Hospital, New Haven, CT |
SU-F-KDBRB1-3 | A Novel LITT Treatment Planning System To Optimize Laser Ablation Delivery To Brain Targets M Shang*, D Laurent , M Rahman , D Hahn , M Arreola , L Rill , F Bova , University of Florida, Gainesville, FL |
SU-F-KDBRC-2 | Feasibility of Whole Brain Voxel-Wise Statistical Analysis of Longitudinal Diffusion Tensor Imaging (DTI) of Single Subject: Quantitative Comparisons of Three Non-Parametric Methods T Zhu1*, X Qiu2 , J Lian3 , S Das4 , (1) university of North Carolina at Chapel Hill, Chapel Hill, NC, (2) University of Rochester, Rochester, NY, (3) university North Carolina, Chapel Hill, NC, (4) University of North Carolina, Chapel Hill, NC |
SU-H330-GePD-F9-5 | Radiomics Versus Radiologist Interpretations of Geometrical and Texture MRI Features of Musculoskeletal Tumors A Rodriguez1*, S Fisher2 , M Folkert3 , H Omar4 , L Tenorio5 , A Chhabra6 , J Wang7 , (1) University of Texas Southwestern, Dallas, TX, (2) University of Texas Southwestern Medical Center, Dallas, TEXAS, (3) UT Southwestern Medical Center, Dallas, Texas, (4) University of Texas Southwestern Medical Center, Dallas, TX, (5) University of Texas Southwestern Medical Center, Dallas, TX, (6) University of Texas Southwestern Medical Center, Dallas, TX, (7) UT Southwestern Medical Center, Dallas, TX |
SU-H400-GePD-F5-6 | Patient Heart Motion Assessed With Cine-MRI S Klawikowski*, F Mostafaei , X Allen Li , Medical College of Wisconsin, Milwaukee, WI |
SU-H400-GePD-F8-4 | Radiomics-Based Prediction of Malignant Glioma Grades Using T2-Weighted Magnetic Resonance Images T Nakamoto1*, W Takahashi1 , A Haga1, 2 , S Takahashi1 , K Nawa1 , T Ohta1 , S Ozaki1 , S Tanaka1 , A Mukasa3 , K Nakagawa1 , (1) The University of Tokyo Hospital (2) Tokushima University (3) Kumamoto University |
SU-H400-GePD-F8-5 | The Updated CISSCO Method for Quantifying Magnetic Moment of Small Spherical Objectsin MRI C Hsieh1,2*, (1) Medical Imaging Research Center, Institute for Radiological Research, Chang Gung University, Taoyuan, Taiwan (2) Chang Gung Memorial Hosptial, Linkou, Taiwan |
SU-H400-GePD-F8-6 | Whole Thoracic Radiation Injury Murine MRI Model For Pulmonary Fibrosis D McIlrath*, C Perez-Torres , Purdue University, West Lafayette, IN |
SU-H430-GePD-F5-3 | Hybrid Head to Toe Whole Body PET/MR Imaging: Technique Development and Clinical Applications Y Zhou*, A Panda , W Pavlicek , M Roarke , J Hoxworth , M Yang , Mayo Clinic Arizona, Scottsdale, AZ |
SU-H430-GePD-F6-2 | An Avoidance-Based Planning Strategy for Online Adaptive Replanning E Ahunbay*, Y Zhang , X Li , Froedtert Hospital and the Medical College of Wisconsin, Milwaukee, WI |
SU-H430-GePD-F8-2 | Common and Uncommon Artifacts in T1 SAG Sequences of Brain MRI E Lavdas1*, M Papaioannou2 , L Sarantaenna3 , G Apostolopoulou4 , L Gogou5 , N Papanikolaou6 , S Stathakis7 , P Mavroidis8 , (1) Technological Education Institute of Athens, Athens, Attiki, (2) Animus kyanoys Larisas Hospital, Larissa, Thessaly, (3) Animus kyanoys Larisas Hospital, Larissa, Thessaly, (4) Animus kyanoys Larisas Hospital, Larissa, Thessaly, (5) Technological Education Institute of Athens, Athens, Attiki, (6) University of Texas HSC SA, San Antonio, TX, (7) University Of Texas Health, San Antonio, TX, (8) university North Carolina, Chapel Hill, NC |
SU-H430-GePD-F8-3 | Differentiating Suspicious Breast Lesions with Ultrafast DCE-MRI F Pineda*, T Easley , H Abe , D Schacht , G Karczmar , University of Chicago, Chicago, IL |
SU-H430-GePD-F8-5 | Lung Feature Tracking in 4D-MRI Using a Scale-Invariant Feature Transform Method E ColvillE Colvill1*, A Lomax1, O Bieri2, Z Celicanin2, D Weber1 , M Peroni1 , (1)Paul Scherrer Institut, Villigen-PSI, Switzerland, (2)University of Basel, Basel, Switzerland |
SU-H430-GePD-F8-6 | Use of Dielectric Pads to Improve Clinical 7T MRI Knee Image Uniformity A Fagan1*, K Amrami1 , M Frick1 , P Kollasch2 , J Felmlee1 , (1) Mayo Clinic, Rochester, MN, (2) Siemens Healthineers, Rochester, MN |
SU-I-GPD-I-2 | Frequency and Clinical Impact of Breast MRI Artifacts W Sensakovic*, A Grindol , A Engel , C Rogers , Florida Hospital, Orlando, FL |
SU-I-GPD-I-15 | Using 3D Printing Techniques and Multi-Modality Tissue Equivalent Material to Create An Anthropomorphic Breast Phantom Y He*, J Qiu , F Zheng , T Chen , Y Zhu , h zhang , F Zhang , Taishan Medical University, Taian, Shandong |
SU-I-GPD-J-47 | Assessment of Treatment Efficiency and Intra-Fractional Tumor Movements Using Real-Time Cine-MR in MR-IGRT System J Kuwahara*, T Sakasai , H Okamoto , Y Miura , S Nishioka , Y Abe , J Itami , National Cancer Center Hospital, Chuo-ku, Tokyo |
SU-I-GPD-J-48 | Motion-Induced Object Distortion Using MR-Linac and 4D CT: A Phantom Study W Yang1*, H Lee1 , M Kadbi2 , Y Ding1 , G Ibbott1 , (1) UT MD Anderson Cancer Center, Houston, TX, (2) Philips Healthcare, Cleveland, OH |
SU-I-GPD-T-13 | Benefits of MR Imaging On Volume Segmentation for HDR Brachytherapy E Schnell*, S Thompson , S Ahmad , T De La Fuente Herman , University of Oklahoma Health Science Center, Oklahoma City, OK |
SU-I-GPD-T-202 | Three-Dimensional Polymer Gel Dosimetry Using An Onboard 0.35 T Magnetic Resonance Imaging Scanner B Maraghechi , H Gach , D Yang , H Li*, Washington University School of Medicine, St Louis, MO |
SU-I-GPD-T-432 | Simultaneously Boosting the Dose to the MpMRI and PSMA-PET Defined Intra-Prostatic Lesion Using Precision CyberKnife: A Feasibility Study P Mavroidis1*, E Schreiber2 , B Thomann3 , C Zamboglou4 , I Sachpazidis5 , R Chen6 , A Grosu7 , S Das8 , D Baltas9 , (1) university North Carolina, Chapel Hill, NC, (2) university North Carolina, Chapel Hill, NC, (3) University of Freiburg, Freiburg, Breisgau, (4) University of Freiburg, Freiburg, Breisgau, (5) University of Freiburg, Freiburg, Breisgau, (6) UNC Health Care, Chapel Hill, NC, (7) University of Freiburg, Freiburg, Breisgau, (8) University of North Carolina, Chapel Hill, NC, (9) university Freiburg, Freiburg, |
SU-I-GPD-T-461 | Measurement of Radiation-Induced Injury in Mouse Brain by Magnetic Resonance Imaging and Histology A Boria*, C Perez-Torres , Purdue University, West Lafayette, IN |
SU-K-202-5 | Interfractional Variation of Intrafractional Motion Assessed From Longitudinal MRI A Tai1*, F Mostafaei1 and X Li1 (1) Medical College of Wisconsin, Milwaukee, WI |
SU-K-207-3 | Retrospective Geometric Distortion Correction of a Dedicated MR-Simulator for Radiotherapy M Law*, J Yuan , O Wong , S Yu , Hong Kong Sanatorium & Hospital, Happy Valley, Hong Kong |
SU-K-207-4 | Simulations of Variable Flip Angle Fast Spin Echo to Improve Contrast in Prostate Cancer MRI S Shea1*, (1) Loyola University Chicago, Maywood, IL |
SU-K-207-7 | Functional Connectome Analysis of FMRI Before and After Brain Tumor Resection H Chen*, K Noll , S Prabhu , V Kuma , P Hou , S Ferguson , G Rao , M Bradshaw , J Johnson , D Schomer , H Liu , UT MD Anderson Cancer Center, Houston, TX |
SU-K-KDBRB1-1 | Novel Phantom Validation of Susceptibility-Related Distortions S P. Nejad-Davarani1*, J Cunningham1,2 , C Glide-Hurst1,2 (1) Henry Ford Health System, Detroit, MI, (2) Wayne State University, Detroit, MI |
SU-K-KDBRB1-3 | MR Image Based Pseudo-CT Image Synthesis Using Conditional Generative Adversarial Network H Kim1,2* , T Kim3 , S Kim3 , S Ye4 , (1) Artificial Intelligence Research Institute, Republic of Korea (2) Department of Radiology, Yonsei University College of Medicine, Republic of Korea, (3) Department of Radiation Oncology, Virginia Commonwealth University, Richmond, VA, USA (4) Program in Biomedical Radiation Sciences, Department of Transdisciplinary Studies, Graduate School of Convergence Science and Technology, Seoul National University, Republic of Korea |
SU-K-KDBRB1-6 | Initial Performance Results of a Commercial MR-Only Workflow for Pelvis C Gage1 , T Scheer2 , M Requardt3 , E Paulson4*, (1) Medical College of Wisconsin, Milwaukee, WI, (2) Siemens Healthineers, Erlangen, Germany, (3) Siemens Healthineers, Erlangen, Germany, (4) Medical College of Wisconsin, Milwaukee, WI |
SU-K-KDBRB1-7 | Evaluation of U-Net Generated MRI Based Synthetic CT Images for Prostate IMRT Treatment Planning S Chen*, A Qin , D Zhou , D Yan , William Beaumont Hospital, Royal Oak, MI |
SU-K-KDBRC-4 | Accurate Hippocampus Segmentation Using Fully Convolutional Networks and Deformable Image Registration Based Data Augmentation H Li1*, J Yang2, Y Xiao1, Y Fan1, (1) University of Pennsylvania, Philadelphia, PA, (2) UT MD Anderson Cancer Center, Houston, TX |
SU-K-KDBRC-5 | Automated Air Region Delineation On MRI for Synthetic CT Creation R Thapa*, E Ahunbay , H Nasief , X Chen, X Li , Froedtert Hospital and the Medical College of Wisconsin, Milwaukee, WI |
SU-K-KDBRC-6 | A Recursive Ensemble Neutral Network for Organs Segmentation in MR Images for Brain Cancer Radiotherapy H Chen1,2 , X Zhen2 , L Zhou2 , M Chen1 , W Lu1 , S Jiang1 , X Gu1*, (1) UT Southwestern Medical Center, Dallas, TX,(2) Southern Medical University, Guangzhou, Guangdong |
SU-KL-DBRB-9 | Hyperpolarized Magnetic Resonance Imaging Reveals Transformations in Pyruvate Metabolism Prior to Anatomic Changes in Patient-Derived Glioblastoma Models T Salzillo1,2*, J Gumin3 , J Lee1 , I Hassan1,4 , N Zacharias1 , R Colen1,4 , F Lang3 , P Bhattacharya1 , (1) Cancer Systems Imaging, University of Texas MD Anderson Cancer Center, Houston, TX, (2) University of Texas Graduate School of Biomedical Sciences, Houston, TX, (3) Neurosurgery, University of Texas MD Anderson Cancer Center, Houston, TX, (4) Diagnostic Radiology, University of Texas MD Anderson Cancer Center, Houston, TX, |
SU-L-202-4 | Assessment of the Respiratory-Induced Kidney Motion Reproducibility by Fast Volumetric 4DMRI O Wong , J Yuan , Y Zhou*, S Yu , K Cheung , Hong Kong Sanatorium & Hospital, Happy Valley, Hong Kong Island |
SU-L-205-5 | The MRI Radiomics Features Analysis of Hypoxia Target in Nasopharyngeal Carcinoma X Kong1* , T Li2.3 , Y Yin2 , (1) Wuxi Fourth People's Hospital (Affiliated Hospital, Jiangnan University), Wuxi, Jiangsu, (2) Shandong Cancer Hospital Affiliated to Shandong University, Jinan, Shandong, (3) University Of South China, Hengyang, Hunan. |
SU-L-205-6 | Towards MR-Thermometry During MRI-Guided Cryoablations: Measuring Sub-Zero Temperatures with Ultra-Short-TE MRI C Favazza1*, A Lu1 , A Anderson2 , J Felmlee1 , Y Rabin3 , L Mynderse1 , D Woodrum1 , K Gorny1 , (1) Mayo Clinic, Rochester, MN, (2) Philips Healthcare, Rochester, MN,(3) Carnegie Mellon University, Pittsburgh, PA |
SU-L-205-7 | Motion Robust and Efficient Radial Turbo Spin Echo (TSE) T2 Mapping with "Pseudo" Golden Ratio View Ordering Y Natsuaki1*, M Keerthisavan2 , A Bilgin2 , B Bolster3 , K Johnson2 , X Bi4 , M Altbach2 , (1) University of California at Los Angeles / Siemens Healthineers, Los Angeles, CA, (2) University of Arizona, Tucson, AZ, (3) Siemens Healthineers, Salt Lake City, UT, (4) Siemens Healthineers, Los Angeles, CA |
SU-L-KDBRB1-3 | Feasibility of MOSFET Real-Time In-Vivo Dosimetry for MRI-Linac Beams Under 0.34 T Magnetic Field D Tewatia1*, P Yadav1 , I Tanumihardjo1 , A Hallil2 , B Paliwal1 , (1) University of Wisconsin-Madison, Madison, WI,(2) Best Medical Canada, Ottawa, ON |
SU-L-KDBRB1-4 | Evaluation of a Novel Pelvic End-To-End (PETE) Phantom in MR-Only and MR-IGRT Workflows J Cunningham1,2*, E Barberi3 , K Penev3,4 , J Miller3 , C Glide-Hurst1,2 , (1) Wayne State University, Detroit, MI, (2) Henry Ford Cancer Institute, Detroit, MI, (3) Modus Medical Devices Inc., London, ON, (4) University of Western Ontario, London, ON |
SU-L-KDBRC-1 | Assessment of Sensitivity to Deformation Changes of Ventilation and Strain for Lung Functional Mapping Using Hyperpolarized Gas Tagging MRI Data I Duarte1*, T Cui2 , W Miller3 , F Yin1 , J Cai1,4 , (1) Duke University Medical Center, Durham, NC, (2) Cleveland Clinic, Cleveland, OH, (3) University of Virginia, Charlottesville, Virginia, (4) The Hong Kong Polytechnic University, Kowloon, Yau Tsim Mong |
SU-L-KDBRC-5 | MRI-Based Radiomics Distinguishes Treatment Effect From True Progression After Stereotactic Radiosurgery for Brain Metastases L Peng1 , J Lee1 , K Sheikh1* , P Huang1 , V Parekh1 , B Baker1 , T Kirschbaum1 , F Silvestri1 , J Son1 , A Robinson1 , H Ames1 , J Grimm1 , L Chen1 , C Shen1 , M Soike2 , E McTyre2 , K Redmond1 , M Lim1 , M Jacobs1 , L Kleinberg1 , (1) Johns Hopkins University, Baltimore, MD, (2) Wake Forest School of Medicine, Winston Salem, NC |
SU-L-KDBRC-6 | Apparent Diffusion Coefficient (ADC) Measured by Diffusion Weighted MRI Was Highly Correlated with Tumor Cell Survival in Non-Small Cell Lung Cancer (NSCLC) Cell Lines Under Stereotactic Body Radiotherapy (SBRT) Regimens Y Wang1*, K Qing2 , (1) Chinese Academy of Medical Science and Shenzhen Cancer Center, Shenzhen, China (2) University of Virginia, Charlottesville, VA |
TH-AB-DBRB-3 | Predicting Meningioma Tumor Recurrence Using Radiogenomics Data T Coroller*, W Bi , N Greenwald , R Zeleznik , E Huynh , C Parmar , R Huang , H Aerts , Dana-Farber Cancer Institute, Brigham & Women's Hospital, Harvard Medical School, Boston, MA |
TH-AB-DBRB-10 | Comparison of Single and Multi-Modality CT and MR Radiomics Models for Overall Survival and Local Control for Non-Small Cell Lung Cancer R N Mahon1*, G D Hugo2 , E Weiss1 , (1) Virginia Commonwealth University, Richmond, Virginia, (2) Washington University School of Medicine, St. Louis, MO |
TH-AB-DBRB-11 | Quantitative Image Features Extracted From Pre-Treatment Magnetic Resonance Images Predict Post-Chemoradiation Response for Patients with Local Advanced Rectal Cancer X Pan*, N Li , X Qi , UCLA School of Medicine, Los Angeles, CA |
TH-AB-KDBRB1-7 | A Deep Learning-Based Tumor Auto-Contouring Algorithm for Real-Time Tumor Tracking Using Linac-MR J Yun1*, E Yip2 , Z Gabos3 , S Baker4 , D Yee5 , K Wachowicz6 , S Rathee7 , B G Fallone8 , (1),(2),(6),(7),(8) Department of Medical Physics, Cross Cancer Institute, Edmonton, AB, (3),(5) Department of Radiation Oncology, Cross Cancer Institute, Edmonton, AB, (4) Department of Radiation Oncology, Erasmus MC Cancer Institute, Rotterdam, EA |
TH-CD-KDBRC-2 | Use of a Rigidity Penalty to Improve CT to MRI Image Registration E Boehnke*, A Santhanam , C Gao , K Sheng , UCLA School of Medicine, Los Angeles, CA |
TH-CD-KDBRC-7 | Automatic Registration of 2D MR Cine Images for Swallowing Motion Estimation J Yang*, H Bahig , A Mohamed , S Frank , K Hutcheson , C Fuller , MD Anderson Cancer Center, Houston, TX |
TH-CD-KDBRC-8 | Atrous Convolution and Spatial Pyramid Pooling for More Accurate Tumor Segmentation in MR Images K Men*, P Boimel, J Janopaul-Naylor, H Zhong, M Huang, H Geng, C Cheng, Y Fan, J Plastaras, E Ben-Josef, Y Xiao, University of Pennsylvania, Philadelphia, PA |
TH-EF-KDBRB1-1 | Volumetric and Voxel-Wise Based Analysis of the Intraprostatic Lesions On Multiparametric MRI E Carver*, N Wen , C Liu , I Chetty , J Lee , M Elshaikh , B Movsas , Henry Ford Health System, Detroit, MI |
TH-EF-KDBRB1-2 | Synthetic CT Generation for MRI-Only Radiation Therapy Using Deep Learning S Kazemifar*, D Nguyen , S McGuire , R Timmerman , L Nedzi , Z Wardak , X Gu , S Jiang , A Owrangi , UT Southwestern Medical Center, Dallas, TX |
TH-EF-KDBRB1-3 | Conditional Generative Adversarial Networks (cGANs) for Magnetic Resonance (MR) Based Synthetic Computed Tomography (sCT) Images in Head and Neck Dose Calculations P Klages*, J Jiang, R Farjam, JO Deasy, M Hunt, H Veeraraghavan, N Tyagi, Memorial Sloan Kettering Cancer Center, New York, NY |
TH-EF-KDBRB1-5 | Cardiac Substructure Segmentation and Dosimetry Using a Novel Hybrid MR/CT Cardiac Atlas E Morris1,2*, A Ghanem1,3, M Pantelic1, E Walker1, C Glide-Hurst1,2 (1) Henry Ford Cancer Institute, Detroit, MI (2) Wayne State University, Detroit, MI (3) Alexandria University, Egypt |
TH-EF-KDBRB1-6 | Abdominal Synthetic CT Generation for MR-Only Liver Radiotherapy Using Conditional Generative Adversarial Network J Fu1*, A Santhanam1 , M Cao1 , M Guo1 , K Singhrao1 , V Yu1 , D Ruan1 , D Low1 , J Lewis1 , (1) UCLA School of Medicine, Los Angeles, CA |
TH-EF-KDBRB1-7 | Deep Learning Approaches for Male Pelvic Synthetic CT Generation Using 2D and 3D Convolutional Neural Networks J Fu*, Y Yang , K Singhrao , D Ruan , A Kishan , C King , D Low , J Lewis , UCLA, Los Angeles, CA |
TH-EF-KDBRB1-11 | MR-Only Planning for Simultaneous Integrated Boost of Multi-Modal MRI-Defined Dominant Intraprostatic Lesions M Leney1*, J Kim2 , C Liu2 , P Sevak2, C Glide-Hurst2 , D Hearshen2 , M Elshaikh2 , M Pantelic2, B Movsas2 , I Chetty2 , N Wen2 , (1) Karmanos Cancer Center at McLaren Macomb Hospital, Mount Clemons, MI, (2) Henry Ford Health System, Detroit, MI |
TU-C1000-GePD-F2-1 | Impact of Abdominal Compression On MR-Guided Radiation Therapy J Cunningham1,2* , D Du2 , C Glide-Hurst1,2 (1) Wayne State University, Detroit, MI, (2) Henry Ford Cancer Institute, Detroit, MI |
TU-C1000-GePD-F2-2 | Validation of the Electron Return Effect in a Low-Field MR-Linac Using a Novel Phantom L Rakotondravohitra1,2*, D Du2, J Kim2, J Cunningham1,2 , I Chetty2, C Glide-Hurst1,2, (1) Wayne State University, Detroit, MI (2) Henry Ford Cancer Institute, Detroit, MI |
TU-C1000-GePD-F2-4 | Assessment of Gradient Nonlinearity Distortions in a Low-Field MR-Linac Using a Modular Large Field of View Phantom S P. Nejad-Davarani1*, E Barberi2 , M Cole2 , C Glide-Hurst1 , (1) Henry Ford Cancer Institute, Detroit, MI, (2) Modus Medical Devices Inc., London, Ontario |
TU-C1000-GePD-F2-5 | Development of 3D Printed Immobilization for the MR-Linac: Toward High Precision Brain Treatments C Glide-Hurst*, E Myers , D Du , J Kim , N Wen , B Movsas , S Siddiqui , T Walbert , S Kalkanis , I Chetty , Henry Ford Cancer Institute, Detroit, MI |
TU-C1000-GePD-F6-5 | Magnetic Resonance Imaging-Guided High-Intensity Focused Ultrasound (MRgHIFU) Mild Hyperthermia Therapy: Treatment Site Selection Based On a Healthy Volunteer Study and Verified Using a Porcine Model M Altman1 , L Zhu2 , S Kothapalli3 , A Partanen4 , G Cheng5 , H Gach6 , I Zoberi7 , D Hallahan8 , H Chen9*, (1) Washington University in St. Louis, St. Louis, MO, (2) Washington University in St. Louis, St Lousi, Missouri, (3) Washington University in St. Louis, St Louis, MO, (4)(4) Profound Medical Inc, Mississauga, ON, (5) Washington University in St. Louis, St Lousi, MO, (6) Washington University in St. Louis, St Louis, MO, (7) Washington University in St. Louis, St Lousi, MO, (8) Washington University in St. Louis, St. Louis, MO, (9) Washington University in St. Louis, St Lousi, Missouri |
TU-C1030-GePD-F2-1 | CT/MRI-Based Radiomics Analysis to Predict Radiation Induced Xerostomia in Head and Neck Cancer Radiotherapy K Sheikh*, L Peng , S Lee , P Han , Z Cheng , P Lakshminarayanan , T McNutt , H Quon , J Lee , Department of Radiation Oncology and Molecular Radiation Sciences, Johns Hopkins University, Baltimore, MD |
TU-C1030-GePD-F2-5 | A Prospective Weekly Volumetric Magnetic Resonance Imaging (MRI) Study of Parotid Glands and Neck Nodes in Oropharyngeal Cancer (OPC) Patients Treated On a Phase II Trial of Adaptive Radiotherapy (ART) C Polvorosa*, Y Hu , M Hunt , J Mechalakos , P Zhang , S Fontenla , C Shi , X Li , N Allgood , S McBride , N Riaz , N Lee , CJ Tsai , Memorial Sloan Kettering Cancer Center, New York, NY |
TU-C930-GePD-F2-1 | Clinical Implementation of MRI-Based Planning Without Dedicated MRI Simulator for Cervical Cancer HDR Brachytherapy K Yang*, L de Souza Lawrence , D Jacob , F Mourtada , Christiana Care Hospital, Newark, DE |
TU-C930-GePD-F2-3 | Deep Learning-Based PseudoCT Reconstruction for MR-Only Guided Radiation Therapy S Olberg1*, H Zhang1 , O Green1 , T Mazur1 , D Yang1 , G Hugo1 , J Kim2 , S Mutic1 , J Park1 , (1) Washington University in St. Louis, St. Louis, MO, (2) Yonsei University College of Medicine, Seoul, Korea |
TU-C930-GePD-F2-5 | Dosimetric Evaluation of MR-Derived Synthetic-CTs for MR-Only Proton Treatment Planning D Aramburu Nunez1*, S Fontenla2 , L Rydquist3 , G Del Rosario4 , Z Han5 , C Chen6 , M Hunt7 , D Mah8 , N Tyagi9 , (1) Memorial Sloan Kettering Cancer Center, New York, NY, (2) Memorial Sloan Kettering Cancer Center, New York, NY, (3) ProCure Proton Therapy Center, Somerset, NJ, (4) ProCure Proton Therapy Center, Somerset, NJ, (5) ProCure Proton Therapy Center, Somerset, NJ, (6) Procure Treatment Center, Somerset, NJ, (7) Memorial Sloan Kettering Cancer Center, New York, NY, (8) ProCure Proton Therapy Center, Somerset, NJ, (9) Memorial Sloan Kettering Cancer Center, New York, NY |
TU-C930-GePD-F8-1 | A Modification Method of Signal Intensity for Fabricating a Multi-Modality Phantom in MR Image-Guided Therapy: Using a Silicone Oil M Kim*, J Park , C Choi , J Yoon , H An , J Kim , Seoul National University Hospital, Seoul, SEOUL |
TU-C930-GePD-F8-3 | Diffusion Tensor Imaging Based Fiber Tracking for Prediction of the Position Accuracy of the Trigeminal Neuralgia for Radiosurgery R Juh1*, T Suh2 , J Han1 , C Kim1 , C Oh1 , (1) Seoul National University Hospital, Seongnam Si, Gyeonggido,(2) Catholic university Medical College, Seoul |
TU-D-KDBRA1-3 | Hypofractionated Intensity-Modulated Radiotherapy (IMRT) for Prostate Cancer Using Patient-Specific Cancer Biology E Her1 , A Haworth2 , A Kennedy3 , H Reynolds4 , Y Sun5 , M Bangert6 , S Williams7 , M Ebert8*, (1) University of Western Australia, Perth, Western Australia, (2) University of Sydney, Sydney, New South Wales, (3) Sir Charles Gairdner Hospital, Perth, 6009, (4) Peter MacCallum Cancer Centre, Melbourne, Victoria, (5) University of Sydney, Sydney, New South Wales, (6) German Cancer Research Centre, Heidelberg, Heidelberg, (7) Peter MacCallum Cancer Centre, Melbourne, Victoria, (8) The University of Western Australia, Nedlands, |
TU-E115-GePD-F2-1 | Assessment of 3D Intra-Fractional Motion Using MRI for Rectal Cancer Radiotherapy C Ma1*, Z Xu2 , Y Zhang1 , X Wang1 , N Yue1 , K Nie1 , (1) Rutgers Cancer Institute of New Jersey, New Brunswick, NJ, (2) Medical College of Wisconsin, Milwaukee, WI |
TU-E115-GePD-F2-2 | Feasibility of Achieving T2w Super-Resolution Time-Resolved (TR) 4DMRI Using T1w TR-4DMRI as the Guidance G Li1*, X Nie2 , M Kadbi3 , Z Saleh4 , K Zakian5 , J Mechalakos6 , M Hunt7 , J Deasy8 , A Rimner9 , (1) Memorial Sloan Kettering Cancer Center, New York, NY, (2) Memorial Slona Kettering Cancer Center, New York, NY, (3) Philips Healthcare, Cleveland, OH, (4) Memorial Sloan Kettering West Harrison, West Harrison, NY, (5) Memorial Sloan-Kettering Cancer Center, New York, New York, (6) Memorial Sloan-Kettering Cancer Center, New York, NY, (7) Memorial Sloan Kettering Cancer Center, New York, NY, (8) Memorial Sloan Kettering Cancer Center, New York, NY, (9) Memorial Sloan Kettering Cancer center, New York, NY |
TU-E115-GePD-F2-3 | Gating Evaluation of An MRgRT System Using a Novel MR-Compatible Motion Phantom J Kim1*, E Barberi2 , I Chetty1 , B Movsas1 , C Glide-Hurst1 , (1) Henry Ford Health System, Royal Oak, MI, (2) Modus Medical Devices Inc., London, Ontario |
TU-E115-GePD-F2-4 | The Relationship Between Abdominal Compression and Body Mass Index On the Respiratory-Induced Pancreatic Motion Using Cine-MRI K Fujimoto*1, T Shiinoki 1, Y Yuasa 1, R Onizuka 2, M Yamane 2, H Hanazawa 1, (1) Yamaguchi University (2) Yamaguchi University Hospital |
TU-E115-GePD-F2-5 | Quantification of Respiratory-Induced Volumetric Renal Motion Velocity Using Ultra-Fast 3D+t MRI Y Zhou , J Yuan*, O Wong , K Cheung , S Yu , Medical Physics and Research Department, Hong Kong Sanatorium & Hospital, Happy Valley, Hong Kong |
TU-GH-KDBRC-3 | Initial Assessment of 3D Magnetic Resonance Fingerprinting (MRF) Towards Quantitative Brain Imaging for Radiation Therapy T Zhu*, L Lu , Y Chen , J Lian , S Das , L Marks , W Lin , University of North Carolina, Chapel Hill, NC |
TU-GH-KDBRC-6 | A Custom-Designed Flexible MR Coil for Spine Radiotherapy Treatment Planning N Tyagi1*, M Italiaander2 , S Almujayyaz2 , J Yamada1 , J Topf1 , M Hunt1 , J Deasy1 , K Zakian8 , (1) Memorial Sloan-Kettering Cancer Center, New York, NY, (2) MRCoils BV, Zaltbommel, KR, |
TU-I345-GePD-F2-1 | Cone Beam CT as a Clinical QA Tool for Prostate MRI-Only Workflows E. Palmer1 , E. Persson1,2* , C. Gustafsson1,2 , P. Ambolt1 , A. Gunnlaugsson1 , L. E. Olsson1,2, (1) Department of Hematology, Oncology and Radiation Physics, Skane University Hopsital, Lund, Sweden (2) Department of Medical Radiation Phyiscs, Lund University, Malmo, Sweden |
TU-I345-GePD-F2-3 | Evaluation of a Novel 3D Distortion and Quality Control Phantom for MR-Guided Radiation Therapy A Antolak1*, B Paliwal1 , E Jackson1 , R Mallozzi2 , P Yadav1 , (1) University of Wisconsin, Madison, WI, (2) The Phantom Laboratory, Inc., Salem, New York |
TU-I345-GePD-F2-5 | MR Simulator Quality Assurance Technique Using An ACR MRI Phantom Based On 3D MR Sequence to Accommodate Radiotherapy Applications C Ho*, O Wong , J Yuan , K Cheung , S Yu , Hong Kong Sanatorium & Hospital, Happy Valley, Hong Kong Island |
TU-I345-GePD-F7-5 | Comparison of Multiple Pulse Sequences for MRI Based Gel Dosimetry B Maraghechi , H Gach , D Yang , H Li*, Washington University School of Medicine, St Louis, MO |
TU-I345-GePD-F8-5 | Study the Feasibility of Defining the Individual Internal Gross Tumor Volume (IGTV) of Hepatocellular Carcinoma Using 4DCT and MRI-T2 Images by Deformable Registration C Ma*, Shandong Cancer Hospital and Institute, Jinan, Shandong Province |
WE-AB-202-4 | Complementary Value of MRI-Radiomics Features and Molecular Biomarkers in Glioblastoma to Predict Overall Survival F Tixier1*, H Um1 , D Bermudez2 , A Iyer1 , A Apte1 , J Deasy1 , I Mellinghoff3 , R Young2 , H Veeraraghavan1 , (1) Department of Medical Physics, Memorial Sloan Kettering Cancer Center, New York, NY, (2) Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York, (3) Department of Neurology, Memorial Sloan Kettering Cancer Center, New York, NY |
WE-AB-202-6 | Highly Accelerated Diffusion Tensor MRI Using An Artificial Neural Network E Aliotta1*, H Nourzadeh1 , K Moulin2 , D Ennis2 , (1) University of Virginia, Charlottesville, VA, (2) University of California, Los Angeles, Los Angeles, CA |
WE-AB-202-8 | Preoperative Prediction of Early Recurrence in Intrahepatic Cholangiocarcinoma After Partial Hepatectomy L Xu*, P Yang , Y Jiang , Y Xue , C Yang , T Niu , Zhejiang University, Hangzhou, Zhejiang |
WE-AB-202-9 | Quality Assessment and Repeatability Measurement On DCE-MRI-Derived Blood Volume in Individual Patients During a Clinical Trial M ARYAL*, C Lee , P Hawkins , C Chapman , A Eisbruch , M Mierzwa , Y Cao , University of Michigan, Ann Arbor, MI |
WE-AB-DBRA-3 | Deformable Registration to Align Prostate Brachytherapy Seeds Identified Using X-Ray Projections to MRI for Accurate Post-Implant Dosimetry WT Hrinivich1*, S Park2, D Song1, J Lee1, (1) Department of Radiation Oncology and Molecular Radiation Sciences, Johns Hopkins University, Baltimore, MD (2) Department of Diagnostic Radiology, Johns Hopkins University, Baltimore, MD |
WE-AB-KDBRC-3 | Investigation of Dose-Correlated MR Biomarker Changes in Brain Metastases Post-SRS J Winter1*, F Moraes1 , C Chung2 , C Coolens1 , (1) Princess Margaret Cancer Center, Toronto, Ontario, (2) The University of Texas MD Anderson Cancer Center, Houston, Texas |
WE-AB-KDBRC-10 | Predicting Lung Tumor Shrinkage During Radiotherapy Seen in a Longitudinal MR Imaging Study Via a Deep Learning Algorithm c wang*, Y Hu , A Rimner , N Tyagi , E Yorke , G Mageras , J Deasy , P Zhang , Memorial Sloan-Kettering Cancer Center, New York, NY |
WE-AB-KDBRC-11 | Impact of Mis-Match Between Liver Function and Hepatic Perfusion On Functional Avoidance Treatment Planning J Simeth*, N Baughan , J Dow , R Ten Haken , A Johansson , M ARYAL , D Owen , K Cuneo , T Lawrence , Y Cao , M Matuszak , University of Michigan, Ann Arbor, MI |
WE-C1000-GePD-F7-5 | The Potential of Polymer Gel for 3D Dosimetry in Magnetic Resonance-Image Guided Radiotherapy Y Roed1,2*, L Pinsky1 , G Ibbott2 , (1) University of Houston, Houston, TX, (2) UT MD Anderson Cancer Center, Houston, TX |
WE-C1030-GePD-F5-2 | Distinguishing Myxomas From Myxofibrosarcomas Using Radiomic Features Extracted From T1 MRI H Li1*, T Martin-Carreras2* , K Cooper3 , J Yang4 , R Sebro5# , Y Fan6# , (1) University of Pennsylvania, Philadelphia, PA, (2) University of Pennsylvania, Philadelphia, PA, (3) University of Pennsylvania, Philadelphia, PA, (4) UT MD Anderson Cancer Center, Houston, TX, (5) University of Pennsylvania, Philadelphia, PA, (6) University of Pennsylvania, Philadelphia, Pennsylvania (*Li and Martin-Carreras share the first authorship, #Sebro and Fan share the last authorship) |
WE-C1030-GePD-F5-3 | Generative Adversarial Network for Undersampled Brain MRI Reconstruction N Zhao*, K Sheng , UCLA School of Medicine, Los Angeles, CA |
WE-C1030-GePD-F5-5 | The Impact of Multi-B-Value On Radiomic Features of MR Diffusion Weighted Imaging in Hepatocellular Carcinoma J Zhang*, Q Qiu , J Duan , Y Yin , Shandong Cancer Hospital Affiliated to Shandong University, Jinan, Shandong |
WE-C1030-GePD-F6-2 | Clinical Experience From MRI-Only Radiotherapy - Pearls and Pitfalls P Ambolt1*, E Persson1;2 , C Gustafsson1;2 , J Nilsson1 , S Back1 , S Engelholm1 , L Olsson1;2 , A Gunnlaugsson1 , (1) Skane University Hospital, Lund, Skane,(2) Lund University, Malmoe, Skane, |
WE-C1030-GePD-F6-4 | MR-Driven Radiotherapy of Prostate Cancer Patients, a Need for Speed E. Persson1, 2*, C. Gustafsson1, 2 , J. Jonsson3 , S. Ceberg1, 4 , A. Gunnlaugsson1 , L. E. Olsson1, 2 , (1) Department of Hematology, Oncology and Radiation Physics, Skane University Hospital, Lund, Sweden, (2) Department of Medical Radiation Physics, Lund University, Malmo, Sweden (3) Department of Radiation Sciences, Umea University, Umea, Sweden(4) Department of Medical Radiation Physics, Lund University, Lund, Sweden |
WE-C930-GePD-F8-6 | Robust 4D-MRI Sorting with Reduced Artifacts Based On Anatomic Feature Matching Z Yang1*, L Ren2 , F Yin3 , X Liang4 , J Cai5 , (1) Duke University, Durham, NC, (2) Duke University Medical Center, Durham, NC, (3) Duke University Medical Center, Durham, NC, (4) Duke University, Durham, NC, (5) The Hong Kong Polytechnic University, Kowloon, Yau Tsim Mong |
WE-FG-KDBRA1-1 | Absolute Dosimetry Using a Novel Portable Water Calorimeter Design in MR-Linac H Nusrat1*, J Renaud2 , N Entezari1 , B Keller3 , J Seuntjens2 , A Sarfehnia1,3 , (1) Ryerson University, Toronto, ON, (2) McGill University, Montreal, QC, (3) Sunnybrook Health Science Center, Toronto, ON |
WE-FG-KDBRA1-2 | Accuracy of Real-Time Large and Small Beam Measurements From An MR-Linac Using Cherenkov Imaging Technique in a Water Tank J Andreozzi1*, P Bruza1 , J Cammin2 , D Gladstone3,1 , B Pogue1 , O Green2 , (1) Dartmouth College, Hanover, NH, (2) Washington University, School of Medicine, St. Louis, MO, (3) Dartmouth-Hitchcock Medical Center, Lebanon, NH |
WE-FG-KDBRB1-1 | Strategies to Mitigate Gantry Angle Specific Inhomogeneities in a Low-Field MR-Linac C Glide-Hurst1*, S P. Nejad-Davarani1 , J Kenney2 , D Du1 , J Kim1 , I Chetty1 , (1) Henry Ford Cancer Institute, Detroit, MI (2) ViewRay, Oakwood Village, OH |
WE-FG-KDBRB1-3 | Novel Simultaneous Motion Monitoring and Truth in Delivery Analysis Framework for MR-Guided Radiotherapy Nikolai J Mickevicius1*, Xinfeng Chen1, Zachary R L Boyd2 , Hannah J Lee4, Geoffrey S Ibbott4, Eric S Paulson1,3,2 , (1)Department of Radiation Oncology, (2) Department of Biophysics, (3) Department of Radiology, Medical College of Wisconsin, Milwaukee, WI, (4) Department of Radiation Physics, UT MD Anderson Cancer Center, Houston, TX |
WE-FG-KDBRB1-4 | Deep Learning-Based Super-Resolution 4D-MRI During MRI-Guided Radiation Therapy H Zhang1*, HM Gach1 , S Olberg1 , O Green1 , H Li1 , D Yang1 , G Hugo1 , J Kim2 , S Mutic1 , J Park1 , (1) Washington University in St. Louis, St Louis, MO, (2) Yonsei University College of Medicine, Seoul, Korea |
WE-FG-KDBRB1-7 | An Evaluation of Image-Derived Respiratory Surrogates for MRI-Guided Radiotherapy J Ginn*, D Low , J Lamb , University of California Los Angeles, Los Angeles, CA |
WE-FG-KDBRB1-8 | Deep Learning for Head and Neck Segmentation in MR: A Tool for the MR-Guided Radiotherapy B Anderson*, B Elgohari , C Cardenas , A Mohamed , P Yang , C Fuller , C Chung , K Brock , UT MD Anderson Cancer Center, Houston, TX |
WE-FG-KDBRB1-10 | Model-Interpolated Gating for MRI-Guided Radiotherapy J Ginn1*, D O'Connell1 , D Thomas2 , D Low1 , J Lamb1 , (1) University of California Los Angeles, Los Angeles, CA, (2) University of Colorado, Denver, CO |
WE-J-KDBRC-3 | Effects of Optimized MR Simulation Protocols On Apparent Diffusion Coefficient Z R L Boyd*, E S Paulson , Medical College of Wisconsin, Milwaukee, WI |
WE-J-KDBRC-7 | Phantom- and Task-Based Image Quality On a Low Field MR Integrated Treatment Delivery System Compared to Diagnostic Systems C Brunnquell*, K Vigen , H Musunuru , M Bassetti , B Paliwal , P Yadav , University of Wisconsin-Madison, Madison, WI |
WE-J-KDBRC-8 | Fast B0 Map of Cardiovascular Implantable Electronic Devices at Low Magnetic Fields X Wu*, C Robinson , P Cuculich , O Green , S Mutic , H Gach , Washington University School of Medicine, St. Louis, MO |
WE-J-KDBRC-9 | A Solution to Gantry Angle Dependent Magnetic Field Inhomogeneities for MR-IGRT HM Gach1*, S Nikolova2 , R Nikolov2 , R Lotey2 , S Mutic1 , O Green1 , (1) Washington University in St. Louis, St. Louis, MO, (2) ViewRay, Mountain View, CA |