Program Information

	Joint Imaging - Therapy General Poster Discussion	Sunday - 7/12/2015
		3:00 PM - 6:00 PM	Room: Exhibit Hall

Sunday SU-E-J-1

MR Guided Pulsed Focused Ultrasound Mediated Targeted Chemotherapeutic-Agent Delivery in Management of Prostate Cancer L. Chen*, D. Cvetkovic, R. Gupta, B. Wang, C. Ma

Sunday SU-E-J-2

Towards Real-Time PRFS Thermometry Using Simultaneous MultiSlice Acquisitions P. Borman, S. Crijns*, C. Bos, C. Moonen, B. Raaymakers

Sunday SU-E-J-3

Characterization of the Precision and Accuracy of a New, Preclinical, MRI-Guided Focused Ultrasound System for Image-Guided Interventions in Small-Bore, High-Field Magnets N. Ellens*, K. Farahani

Sunday SU-E-J-4

Integration of Interstitial High Intensity Therapeutic Ultrasound Applicators On a Clinical MRI-Guided High Intensity Focused Ultrasound Treatment Planning Software Platform N. Ellens*, A. Partanen, G. Ghoshal, E. Burdette, K. Farahani

Sunday SU-E-J-5

Use of a 6D Couch for Real-Time Full Translational and Rotational Head Motion Correction During Stereotactic Radiosurgery: A Feasibility Study X. Liu*, A. Belcher, Z. Grelewicz, R. Wiersma

Sunday SU-E-J-6

Additional Imaging Guidance Dose to Patient Organs Resulting From X-Ray Tubes Used in CyberKnife Image Guidance System A. Sullivan*, G. Ding

Sunday SU-E-J-7

IGRT Gently: Evaluating Imaging Dose in Phantoms of Different Sizes B. Morris*, W. Duggar, J. Stanford, C. Yang

Sunday SU-E-J-8

Comparison of Unintended Radiation Doses to Organs at Risk Resulting From the Out-Of-Field Therapeutic Beams and From Image-Guidance X-Ray Procedures G. Ding*, L. Wang

Sunday SU-E-J-9

Image Quality Comparison and Dose Quantification for 2.5 MV M. Stowe*, D. DiCostanzo, A. Ayan, J. Woollard, N. Gupta

Sunday SU-E-J-10

Imaging Dose and Cancer Risk in Image-Guided Radiotherapy of Cancers L. Zhou*, S. Bai, Y. Zhang, J. Deng

Sunday SU-E-J-11

Measurement of Eye Lens Dose for Varian On-Board Imaging with Different CBCT Acquisition Techniques S. DESHPANDE*, D. Dhote, R. Kumar, K. Thakur

Sunday SU-E-J-12

An Image-Guided Soft Robotic Patient Positioning System for Maskless Head-And-Neck Cancer Radiotherapy: A Proof-Of-Concept Study O. Ogunmolu*, N. Gans, S. Jiang, X. Gu

Sunday SU-E-J-13

Six Degree of Freedom Image Fusion Accuracy for Cranial Target Localization On the Varian Edge Stereotactic Radiosurgery System: Comparison Between 2D/3D and KV CBCT Image Registration H. Xu*, K. Song, I. Chetty, N. Wen, J. Kim

Sunday SU-E-J-14

A Comparison of a 2.5MV Imaging Beam to KV and 6MV Imaging Beams P. Nitsch*, D. Robertson, P. Balter

Sunday SU-E-J-15

Automatically Detect Patient Treatment Position and Orientation in KV Portal Images J. Qiu, D. Yang*

Sunday SU-E-J-16

Automatic Image Contrast Enhancement Based On Automatic Parameter Optimization for Radiation Therapy Setup Verification J. Qiu*, H. Li, T. Zhang, F. Ma, D. Yang

Sunday SU-E-J-17

Intra-Fractional Prostate Movement Correction During Treatment Delivery Period for Prostate Cancer Using the Intra-Fractional Orthogonal KV-MV Image Pairs J. Zhang*, S. Azawi, J. Cho-Lim, R. Wei, R. Williams, E. Frank

Sunday SU-E-J-19

An Intra-Institutional Study of Cone-Beam CT Dose for Image-Guided Radiation Therapy N. Knutson*, L. Rankine, M. Reilly, H. Li

Sunday SU-E-J-20

Identifying Predictors for Translational and Rotational Shifts of Liver SBRT Patients A. Powers*, R. Sheu, S. Blacksburg

Sunday SU-E-J-21

Setup Variability of Colorectal Cancer Patients Treated in the Prone Position and Dosimetric Comparison with the Supine Position A. Kim*, J. Foster, W. Chu, A. Karotki

Sunday SU-E-J-22

A Feasibility Study On KV-Based Whole Breast Radiation Patient Setup Q. Huang*, M. Zhang, N. Yue, T. Chen

Sunday SU-E-J-23

Characteristics of X-Rays From ExacTrac and Patient Dose From Imaging Procedures G. Ding*

Sunday SU-E-J-24

Can Fiducial Marker-Based Setup Using ExacTrac Be An Alternative to Soft Tissue-Based Setup Using Cone-Beam CT for Prostate IMRT? S. Tanabe*, S. Utsunomiya, E. Abe, H. Satou, H. Sakai, T. Yamada, H. Aoyama

Sunday SU-E-J-25

End-To-End (E2E) Testing On TomoHDA System Using a Real Pig Head for Intracranial Radiosurgery N. Corradini, M. Leick*, M. Bonetti, L. Negretti

Sunday SU-E-J-26

A Novel Technique for Markerless Self-Sorted 4D-CBCT Using Patient Motion Modeling: A Feasibility Study L. Zhang*, Y. Zhang, W. Harris, F. Yin, L. Ren

Sunday SU-E-J-27

Shifting Multiple EPID Imager Layers to Improve Image Quality and Resolution in MV CBCT H. Chen*, J. Rottmann, S. Yip, D. Morf, R. Fueglistaller, J. Star-Lack, G. Zentai, R. Berbeco

Sunday SU-E-J-28

Gantry Speed Significantly Affects Image Quality and Imaging Dose for 4D Cone-Beam Computed Tomography On the Varian Edge Platform A. Santoso*, K. Song, S. Gardner, I. Chetty, N. Wen

Sunday SU-E-J-29

Automatic Image Registration Performance of Three IGRT Systems for Prostate Radiotherapy J. Barber, J. Sykes, L. Holloway, D. Thwaites*

Sunday SU-E-J-30

The Effect of Planning CT Slice Thickness On Evaluation of SRS Target Localization Accuracy J. Briceno*, H. Li, Y. Huang, N. Wen, I. Chetty

Sunday SU-E-J-31

Monitor Interfractional Variation of Tumor Respiratory Motion Using 4D KV Conebeam Computed Tomography for Stereotactic Body Radiation Therapy of Lung Cancer A. Tai*, P. Prior, E. Gore, C. Johnstone, X. Li

Sunday SU-E-J-32

Dosimetric Evaluation Based On Pre-Treatment Cone Beam CT for Spine Stereotactic Body Radiotherapy: Does Region of Interest Focus Matter? A. Magnelli*, P. Xia

Sunday SU-E-J-33

Comparison Between Soft Tissue Alignment and Bony Alignment for Pancreatic Cancer Radiotherapy Y. Suh*, C. Crane, S. Krishnan, P. Das, E. Koay, S. Beddar

Sunday SU-E-J-34

Setup Accuracy in Spine SBRT Using CBCT 6D Image Guidance in Comparison with 6D ExacTrac Z. Han*, S. Yip, J. Lewis, E. Mannarino, S. Friesen, M. Wagar, F. Hacker

Sunday SU-E-J-35

Using CBCT as the Alternative Method of Assessing ITV Volume Y. Liao*, J. Turian, A. Templeton, G. Redler, J. Chu

Sunday SU-E-J-36

Comparison of CBCT Image Quality for Manufacturer Default Imaging Modes G. Nelson*

Sunday SU-E-J-37

Feasibility of Utilizing Carbon Fiducials to Increase Localization Accuracy of Lumpectomy Cavity for Partial Breast Irradiation Y. Zhang*, T. Hieken, R. Mutter, S. Park, E. Yan, D. Brinkmann, D. Pafundi

Sunday SU-E-J-38

Improved DRR Image Quality Using Polyetheretherketone (PEEK) Fiducial in Image Guided Radiotherapy (IGRT) S. Shen*, R. Jacob, R. Popple, J. Duan, X. Wu, R. Cardan, I. Brezovich

Sunday SU-E-J-39

Dosimetric Benefit of Implanted Marker-Based CBCT Setup for Definitive Prostatic Radiotherapy H. Zhen*, Z. Wu, P. Bluemenfeld, J. Chu, D. Wang

Sunday SU-E-J-40

Improving Uncertainty of Prostate Positioning by Using Implanted Fiducial Marker-Based Hybrid Evaluation Combined with KV Portal Imaging and CBCT for Prostate IMRT K. Hirose*, M. Sato, M. Aoki, H. Kawaguchi, H. Akimoto, Y. Hatayama, F. Komai, M. Sohma, H. Obara, M. Suzuki, Y. Takai

Sunday SU-E-J-41

Is There An Optimal X-Ray Technique for Prostate Treatment On CyberKnife? E. Henderson*, M. Compuesto, J. Gratton-Liimatainen

Sunday SU-E-J-42

Evaluation of Fiducial Markers for Ultrasound and X-Ray Images Used for Motion Tracking in Pancreas SBRT S. Ng*, E. Armour, L. Su, Y. Zhang, I. Iordachita, J. Wong, H. Sen, P. Kazanzides, M. Lediju Bell, K. Ding

Sunday SU-E-J-43

Accuracy and Dynamic Range of Optical-Surface-Imaging (OSI)-Based Spirometry H. Huang, J. Wei, Q. Chen, C. Gaebler, J. Zatcky, J. Mechalakos, G. Li*

Sunday SU-E-J-44

A Novel Approach to Quantify Patient Setup and Target Motion for Real-Time Image-Guided Radiotherapy (IGRT) S. Li*, P. Charpentier, E. Sayler, B. Micaily, C. Miyamoto, J. Geng

Sunday SU-E-J-45

The Correlation Between CBCT Flat Panel Misalignment and 3D Image Guidance Accuracy O. Kenton*, G. Valdes, S. Brousmiche, D. Wikler, L. Yin, B. Teo

Sunday SU-E-J-46

Evaluation of the Accuracy of a Six Degree of Freedom Robotic Couch Using ConeBeam CT Images of the Isocal Phantom Q. Zhang*, J. Driewer, S. Wang, S. Li, D. Zheng, X. Zhu, w. zhen, a. wahl, C. Lin, R. Thompson, S. Zhou, C. Enke

Sunday SU-E-J-47

Comparison of Online Image Registrations of Varian TrueBeam Cone-Beam CT and BrainLab ExacTrac Imaging Systems J. Li*, W. Shi, D. Andrews, M. Werner-Wasik, Y. Yu, H. Liu

Sunday SU-E-J-48

Imaging Origin-Radiation Isocenter Coincidence for Linac-Based SRS with Novalis Tx C. Geraghty*, D. Workie, B. Hasson

Sunday SU-E-J-49

Design and Fabrication of Custom 3D Printed Phantoms for Radiation Therapy Research and Quality Assurance C. Jenkins*, L. Xing

Sunday SU-E-J-50

An Evaluation of the Stability of Image Quality Parameters of the Elekta XVI and IView Imaging Systems D. Stanley*, N. Papanikolaou, A. Gutierrez

Sunday SU-E-J-51

The Impact of Off-Center Position On Image Quality of Megavoltage CT K. Zhang*, Z. Hu, J. Dai

Sunday SU-E-J-52

Decreasing Frequency of Performing TG-142 Imaging QA - 5 Year Experience T. Lin*, C. Ma

Sunday SU-E-J-53

A Phantom Design to Assist Patient Position Verification System in Daily Image-Guided RT and Comprehensive QA Measurements J. Syh*, H. Wu

Sunday SU-E-J-54

A Framework of Physical-Law-Based Respiratory-Perturbation Modeling for Motion Prediction G. Li*, C. Gaebler, H. Huang, A. Yuan, J. Wei

Sunday SU-E-J-55

End-To-End Effectiveness Analysis of 3D Surface Image Guided Voluntary Breath-Holding Radiotherapy for Left Breast M. Lin*, S. Feigenberg

Sunday SU-E-J-56

Static Gantry Digital Tomosynthesis From the Beam's-Eye-View L. Partain*, J. Kwon, J. Rottmann, G. Zentai, R. Berbeco, D. Boyd

Sunday SU-E-J-57

First Development of Adapting to Intrafraction Relative Motion Between Prostate and Pelvic Lymph Nodes Targets Y. Ge*, J. Booth, E. Colvill, R. O'Brien, P. Keall

Sunday SU-E-J-58

Comparison of Conformal Tracking Methods Using Initial, Adaptive and Preceding Image Frames for Image Registration P. Teo*, K. Guo, N. Alayoubi, K. Kehler, S. Pistorius

Sunday SU-E-J-59

Feasibility of Markerless Tumor Tracking by Sequential Dual-Energy Fluoroscopy On a Clinical Tumor Tracking System J. DHONT*, K. POELS, D. Verellen, K. TOURNEL, T. GEVAERT, F. Steenbeke, M. BURGHELEA, M. DE RIDDER

Sunday SU-E-J-60

Evaluation of Temporal Lag in Radiotherapy Gating for Tumor Motion Trajectories A. Belcher*, B. McCabe, R. Wiersma

Sunday SU-E-J-61

Monitoring Tumor Motion in Real-Time with EPID Imaging During Cervical Cancer Treatment W. Mao*, B. Hrycushko, Y. Yan, R. Foster, K. Albuquerque

Sunday SU-E-J-62

Breath Hold for Left-Sided Breast Cancer: Visually Monitored Deep Inspiration Breath Hold Amplitude Evaluated Using Real-Time Position Management L. Conroy*, R. Yeung, S. Quirk, T. Phan, A. Hudson, W. Smith

Sunday SU-E-J-63

Initial Validation of the Surface Beacon Transponder X. Tang*, Z. Saleh, T. Volpe, R. Margiasso, D. Lovelock, X. Li, M. Chan, M. Hunt

Sunday SU-E-J-64

Feasibility Study of Surgical Clips for Fiducial Tracking in CyberKnife System H. Lee*, J. Yoon, E. Lee, S. Cho, K. Park, W. Choi, J. Baek, K. Keum, W. Koom

Sunday SU-E-J-65

Motion Difference Between the Pancreas and Nearby Veins for Pancreas Motion Monitoring Using Ultrasound During Radiation Therapy E. Omari*, J. Zhang, B. Erickson, X. Li

Sunday SU-E-J-66

Significant Anatomical and Dosimetric Changes Observed with the Pharyngeal Constrictor During Head and Neck Radiotherapy Elicited From Daily Deformable Image Registration and Dose Accumulation A. Kumarasiri*, F. Siddiqui, C. Liu, M. Kamal, C. Fraser, I. Chetty, J. Kim

Sunday SU-E-J-67

Evaluation of Adaptive MLC Morphing for Online Correction of Prostate Cancer Radiotherapy R. Sandhu*, A. Qin, D. Yan

Sunday SU-E-J-68

Adaptive Radiotherapy of Head and Neck Cancer: Re-Planning Based On Prior Dose N. Dogan*, K. Padgett, J. Evans, W. Sleeman IV, S. Song, M. Fatyga

Sunday SU-E-J-69

Iterative Deconvolution of the Initial Photon Fluence for EPID Dosimetry: A Monte Carlo Based Study D. Czarnecki, P. von Voigts-Rhetz, D. Uchimura Shishechian, K. Zink*

Sunday SU-E-J-70

Evaluation of Multiple Isocentric Intensity Modulated and Volumetric Modulated Arc Therapy Techniques Using Portal Dosimetry K. Muralidhar*, S. Pangam, J. Kolla, S. Ponaganti, M. Ali, s. vuba, P. Mariyappan, M. Babaiah, K. Komanduri

Sunday SU-E-J-71

Spatially Preserving Prior Knowledge-Based Treatment Planning H. Wang*, L. Xing

Sunday SU-E-J-72

Dosimetric Study of Cone-Beam CT-Based Radiation Treatment Planning Using a Patient-Specific Stepwise CT-Density Table S. Chen*, Q. Le, Y. Mutaf, B. Yi, W. D'Souza

Sunday SU-E-J-73

Extension of a Clinical OIS/EMR/R&V System to Deliver Safe and Efficient Adaptive Plan-Of-The-Day Treatments Using a Fully Customizable Plan-Library-Based Workflow A. Akhiat*, A. Kanis, J. Penninkhof, N. Linton, A. Coleman, S. Sodjo, T. O'Neill, S. Quint, X. van Doorn, W. Schillemans, B. Heijmen, M. Hoogeman

Sunday SU-E-J-74

Dosimetric Advantages of Adaptive Radiotherapy for Head and Neck Cancer Are Confirmed with Weekly CBCT Images Q. Shang*, Z. Li, H. Qu, M. Ward, J. Greskovich, S. Koyfman, P. Xia

Sunday SU-E-J-75

Automated Two Loop Optimization of a Treatment Planning System H. Wang*, L. Xing

Sunday SU-E-J-76

CBCT Reconstruction of a Full Couch Using Rigid Registration and Pre-Scanned Couch Image and Its Clinical Application E. Hu*, G. Lasio, M. Lee, S. Chen, B. Yi

Sunday SU-E-J-77

Dose Tracking On An MR-Linac for Online QA and Plan Adaptation in Abdominal Organs M. Glitzner*, S. Crijns, B. Denis de Senneville, C. Kontaxis, F. Prins, J. Lagendijk, B. Raaymakers

Sunday SU-E-J-78

Adaptive Planning Workflow in a Pencil Beam Scanning Proton Therapy Center M. Blakey*, S. Price, B. Robison, S. Niek, S. Moe, J. Renegar, A. Mark, W. Spenser

Sunday SU-E-J-79

Evaluation of Prostate Volume Changes During Radiotherapy Using Implanted Markers and On-Board Imaging B. Ispir*, G. Ugurluer, Y. Akdeniz, A. Eken, T. Arpaci, M. Serin

Sunday SU-E-J-80

A Comparative Analysis of MIM and Pinnacle Software for Adaptive Planning J. Stanford*, W. Duggar, B. Morris, C. Yang

Sunday SU-E-J-81

Adaptive Radiotherapy for IMRT Head & Neck Patient in AKUH A. Yousuf*, B. Qureshi, A. Hussain, A. Qadir, N. Abbasi

Sunday SU-E-J-82

Evaluation of the Spatial Reproducibility and Temporal Drift of the CRAD CatalystHD System D. Stanley*, N. Kirby, N. Papanikolaou, A. Gutierrez

Sunday SU-E-J-83

CBCT Based Rectum and Bladder Dose Tracking in the Prostate Radiotherapy Z. Chen, J. Wang, Z. Yang, W. Hu*

Sunday SU-E-J-84

Quantitative Dosimetry Assessment of the Impact of Image Artifacts of Metal Implants in Spinal SABR Treatment T. Chen*, M. Zhang, S. Hanft, R. Green, N. Yue, S. Goyal

Sunday SU-E-J-85

The Effect of Different Imaging Modalities On the Delineation of the True Spinal Cord for Spinal Stereotactic Body Radiation Therapy L. Goddard*, L. Goddard, P. Brodin, K. Mani, A. Lee, M. Garg, W. Tome, S. Kalnicki

Sunday SU-E-J-86

Functional Conformal Planning for Stereotactic Body Radiation Therapy with CT-Pulmonary Ventilation Imaging T. Kurosawa*, H. Tachibana, S. Moriya, M. Sato

Sunday SU-E-J-87

Ventilation Weighting Effect On Mean Doses of Both Side Lungs for Patients with Advanced Stage Lung Cancer H. Qu*, P. Xia, N. Yu

Sunday SU-E-J-88

The Study of Setup Error Measured by CBCT in Postoperative Radiotherapy for Cervical Carcinoma L. Runxiao, w. aikun*, F. Xiaomei, W. Jing

Sunday SU-E-J-89

Comparative Analysis of MIM and Velocity's Image Deformation Algorithm Using Simulated KV-CBCT Images for Quality Assurance K. Cline*, G. Narayanasamy, M. Obeidat, D. Stanley, S. Stathakis, H. Kim, N. Kirby

Sunday SU-E-J-90

Lobar-Level Lung Ventilation Analysis Using 4DCT and Deformable Image Registration K. Du*, T. Patton, J. Reinhardt, G. Christensen, B. Zhao, S. Gerard, Y. Pan, J. Bayouth

Sunday SU-E-J-91

Biomechanical Deformable Image Registration of Longitudinal Lung CT Images G. Cazoulat*, D. Owen, M. Matuszak, J. Balter, K. Brock

Sunday SU-E-J-92

Validating Dose Uncertainty Estimates Produced by AUTODIRECT, An Automated Program to Evaluate Deformable Image Registration Accuracy H. Kim*, J. Chen, J. Pouliot, J. Pukala, N. Kirby

Sunday SU-E-J-93

Development of Pre-Contoured Human Model Library in DICOM-RT Format for the Epidemiological Study of the Radiotherapy Patients A. Pyakuryal*, C. Lee, C. Pelletier, J. Jung, C. Lee

Sunday SU-E-J-94

Geometric and Dosimetric Evaluation of Deformation Image Registration Algorithms Using Virtual Phantoms Generated From Patients with Lung Cancer Z. Shen*, K. Bzdusek, J. Greskovich, P. Xia

Sunday SU-E-J-95

A Novel Objective Approach to Identify Scan Outliers in Deformable Image Registration for Longitudinal Datasets Z. Saleh*, M. Thor, G. Sharp, X. Tang, T. Volpe, R. Margiasso, H. Veeraraghavan, L. Muren, J. Deasy

Sunday SU-E-J-96

Multi-Axis Dose Accumulation of Noninvasive Image-Guided Breast Brachytherapy Through Biomechanical Modeling of Tissue Deformation Using the Finite Element Method M. Rivard*, H. ghadyani, A. Bastien, N. Lutz, J. Hepel

Sunday SU-E-J-97

Quality Assurance of Deformable Image Registration Algorithms: How Realistic Should Phantoms Be? D. Saenz*, H. Kim, J. Chen, S. Stathakis, N. Kirby

Sunday SU-E-J-98

Assessment of Deformable Image Registration Algorithms by Using Different Similarity Measures for the Registration Evaluation I. Jurkovic*, N. Papanikolaou, S. Stathakis, P. Mavroidis

Sunday SU-E-J-99

Computation of Deformable Image Registration Confidence Maps H. Armstrong*, M. Miften

Sunday SU-E-J-100

The Combination of Deformable Image Registration and Regions-Of-Interest Mapping Technique to Accomplish Accurate Dose Calculation On Cone Beam Computed Tomography for Esophageal Cancer B. Huang*, J. Lu

Sunday SU-E-J-101

Improved CT to CBCT Deformable Registration Accuracy by Incorporating Multiple CBCTs A. Godley*, L. Sheplan Olsen, K. Stephans

Sunday SU-E-J-102

Performance Variations Among Clinically Available Deformable Image Registration Tools in Adaptive Radiotherapy: How Should We Evaluate and Interpret the Result? K. Nie*, J. Pouliot, E. Smith, C. Chuang

Sunday SU-E-J-103

Propagation of Rectum and Bladder Contours for Tandem and Ring (T&R) HDR Treatment Using Deformable Image Registration Y. Yuan*, M. Chao, R. Sheu, V. Dumane, V. Gupta, Y. Lo

Sunday SU-E-J-104

Evaluation of Accuracy for Various Deformable Image Registrations with Virtual Deformation QA Software S. Han*, K. Kim, S. Choi, S. Park, M. Kim, h. jung, Y. Ji

Sunday SU-E-J-105

Trusting Dose Deformation and Accumulation for GYN Brachytherapy L. Poplawski*, T. Li, J. Chino, O. Craciunescu

Sunday SU-E-J-106

The Use of Deformable Image Registration with Cone-Beam CT for a Better Evaluation of Cumulative Dose to Organs O. Fillion*, L. Gingras, L. Archambault

Sunday SU-E-J-107

The Impact of the Tumor Location to Deformable Image Registration Y. Sugawara*, H. Tachibana, N. Kadoya, N. Kitamura, K. Jingu

Sunday SU-E-J-108

Solving the Chinese Postman Problem for Effective Contour Deformation J. Yang*, L. Zhang, Y. Zhang, L. Dong, P. Balter, L. Court

Sunday SU-E-J-109

Evaluation of Deformable Accumulated Parotid Doses Using Different Registration Algorithms in Adaptive Head and Neck Radiotherapy S. Xu*, B. Liu, H. Liu, H. Gong, B. Qu, L. Ma, F. Zhou

Sunday SU-E-J-110

Dosimetric Analysis of Respiratory Motion Based On Four-Dimensional Dose Accumulation in Liver Stereotactic Body Radiotherapy S. Kang*, S. Kim, T. Kim, D. Kim, S. Park, K. Kim, M. Cho, D. Shin, T. Suh

Sunday SU-E-J-111

Finite Element-Based Deformable Image Registration of Pleural Cavity for Photodynamic Therapy R. Penjweini*, T. Zhu

Sunday SU-E-J-112

Intensity-Based Pulmonary Image Registration: An Evaluation Study F. Yang*, J. Meyer, G. Sandison

Sunday SU-E-J-113

Effects of Deformable Registration On First-Order Texture Maps Calculated From Thoracic Lung CT Scans C. Smith*, A. Cunliffe, H. Al-Hallaq, S. Armato

Sunday SU-E-J-114

A Practical Hybrid Method for Improving the Quality of CT-CBCT Deformable Image Registration for Head and Neck Radiotherapy C. Liu*, A. Kumarasiri, M. Chetvertkov, J. Gordon, I. Chetty, F. Siddiqui, J. Kim

Sunday SU-E-J-115

Correlation of Displacement Vector Fields Calculated by Deformable Image Registration Algorithms with Motion Parameters of CT Images with Well-Defined Targets and Controlled-Motion J. Jaskowiak*, N. Alsbou, S. Ahmad, I. Ali

Sunday SU-E-J-116

Uncertainties Associated with Dose Summation of High-Dose Rate Brachytherapy and Intensity Modulated Radiotherapy for Gynecological Cases K. Kauweloa*, A. Bergamo, A. Gutierrez, S. Stathakis, P. Mavroidis, N. Papanikolaou, N. Kirby

Sunday SU-E-J-117

Comparison of Different QA Methods for Deformable Image Registration to the Known Errors for Prostate and Head-And-Neck Virtual Phantoms M. Obeidat*, G. Narayanasamy, K. Cline, S. Stathakis, J. Pouliot, H. Kim, N. Kirby

Sunday SU-E-J-118

A Systematic Analysis of Rigid Image Registration Using Patient CTs and Simulated Setup Images with a Unique Gold Standard Registration J. Kieselmann*, A. Rosselet, S. Scheib, S. Thieme-Marti

Sunday SU-E-J-119

Head-And-Neck Digital Phantoms for Geometric and Dosimetric Uncertainty Evaluation of CT-CBCT Deformable Image Registration Z. Shen*, K. Bzdusek, S. Koyfman, P. Xia

Sunday SU-E-J-120

Comparing 4D CT Computed Ventilation to Lung Function Measured with Hyperpolarized Xenon-129 MRI B. Neal*, Q. Chen

Sunday SU-E-J-122

The CBCT Dose Calculation Using a Patient Specific CBCT Number to Mass Density Conversion Curve Based On a Novel Image Registration and Organ Mapping Method in Head-And-Neck Radiation Therapy J. Zhou*, G. Lasio, B. Yi, J. Huang, S. Chen, B. Zhang, K. Langen, K. Prado, W. D'Souza

Sunday SU-E-J-123

Assessing Segmentation Accuracy of Internal Volumes and Sub-Volumes in 4D PET/CT of Lung Tumors Using a Novel 3D Printed Phantom D. Soultan*, J. Murphy, C. James, C. Hoh, B. Gill, V. Moiseenko, L. Cervino

Sunday SU-E-J-124

18F-FDG PET Imaging to Improve RT Treatment Outcome for Locally Advanced Lung Cancer N. Shusharina*, F. Khan, G. Sharp, N. Choi

Sunday SU-E-J-125

A Novel IMRT Planning Technique to Spare Sacral Bone Marrow in Pelvic Cancer Patients S. McGuire*, S. Bhatia, W. Sun, Y. Menda, L. Ponto, B. Gross, J. Buatti

Sunday SU-E-J-126

An Online Replanning Method for FFF Beams Without Couch Shift E. Ahunbay*, O. Ates, X. Li

Sunday SU-E-J-127

Implementation of An Online Replanning Tool for VMAT Using Flattening Filter-Free Beams O. Ates*, E. Ahunbay, X. Li

Sunday SU-E-J-128

Two-Stage Atlas Selection in Multi-Atlas-Based Image Segmentation T. Zhao*, D. Ruan

Sunday SU-E-J-129

Atlas Development for Cardiac Automatic Contouring Using Multi-Atlas Segmentation R. Zhou, J. Yang*, T. Pan, S. Milgrom, C. Pinnix, A. Shi, J. Yang, Y. Liu, Q. Nguyen, D. Gomez, B. Dabaja, P. Balter, L. Court, Z. Liao

Sunday SU-E-J-130

Automating Liver Segmentation Via Combined Global and Local Optimization D. Li*, J. Wang, D. Kapp, L. Xing

Sunday SU-E-J-131

Augmenting Atlas-Based Segmentation by Incorporating Image Features Proximal to the Atlas Contours D. Li*, L. Liu, D. Kapp, L. Xing

Sunday SU-E-J-132

Automated Segmentation with Post-Registration Atlas Selection Based On Mutual Information X. Ren*, G. Sharp, H. Gao

Sunday SU-E-J-133

Autosegmentation of Linac CBCT: Improved Accuracy Via Penalized Likelihood Reconstruction L. Hibbard*

Sunday SU-E-J-134

Optimizing Technical Parameters for Using Atlas Based Automatic Segmentation for Evaluation of Contour Accuracy Experience with Cardiac Structures From NRG Oncology/RTOG 0617 J. Yu*, Y. Gong, V. Bar-Ad, T. Giaddui, C. Hu, E. Gore, M. Wheatley, J. Witt, C. Robinson, F. Kong, J. Bradley, J. Galvin, Y. Xiao

Sunday SU-E-J-135

Feasibility of Using Quantitative Cone Beam CT for Proton Adaptive Planning W. Jingqian*, T. Tsui, J. Wei, Q. Wang, X. Zhang, Z. Wen, X. Zhu, S. Frank, H. Li, L. Zhu

Sunday SU-E-J-136

Investigation Into Robustness of Stopping Power Calculated by DECT and SECT for Proton Therapy Treatment Planning J. Zhu*, S. Penfold

Sunday SU-E-J-137

Image Registration Tool for Patient Setup in Korea Heavy Ion Medical Accelerator Center M. Kim*, W. Cho, W. Jung, T. Suh

Sunday SU-E-J-138

On the Ion Beam Range and Dose Verification in Hadron Therapy Using Sound Waves E. Fourkal*, I. Veltchev, O. Gayou, V. Nahirnyak

Sunday SU-E-J-139

One Institution's Experience with Surface Imaging in Proton Therapy L. Zhao*, H. Singh, Y. Zheng

Sunday SU-E-J-140

Simulation Study Using Thermoacoustics to Image Proton Dose and Range in Water and Skull Phantom K. Stantz*, V. Moskvin

Sunday SU-E-J-141

Activity-Equivalent Path Length Approach for the 3D PET-Based Dose Reconstruction in Proton Therapy A. Attili*, A. Kraan, F. Dalmasso, A. Vignati, S. Giordanengo, G. Battistoni

Sunday SU-E-J-142

Prompt Gamma Emission Measurements From a Passively Scattered Proton Beam On Targets Containing 16O, 12C and 14N J. Jeyasugiththan, S. Peterson*

Sunday SU-E-J-144

Low Activity Studies of Carbon 11 Activation Via GATE Monte Carlo A. Elmekawy*, C. Butuceanu, L. Qu, L. Ewell

Sunday SU-E-J-145

Validation of An Analytical Model for in Vivo Range Verification Using GATE Monte Carlo Simulation in Proton Therapy C. Lee*, H. Lin, I. Hsiao, T. Chao, K. Chuang

Sunday SU-E-J-146

A Research of PET-CT SUV Range for the Online Dose Verification in Carbon Ion Radiation Therapy L. Sun*, W. Hu, M. Moyers, J. Zhao, W. Hsi

Sunday SU-E-J-147

Monte Carlo Study of the Precision and Accuracy of Proton CT Reconstructed Relative Stopping Power Maps G. Dedes*, Y. Asano, N. Arbor, D. Dauvergne, J. Létang, E. Testa, S. Rit, K. Parodi

Sunday SU-E-J-148

Tools for Development of 4D Proton CT T. Dou*, J. Ramos-Mendez, P. Piersimoni, V. Giacometti, S. Penfold, Y. Censor, B. Faddegon, D. Low, R. Schulte

Sunday SU-E-J-149

Secondary Emission Detection for Improved Proton Relative Stopping Power Identification J. Saunders*, B. Musall, A. Erickson

Sunday SU-E-J-150

Four-Dimensional Cone-Beam CT Algorithm by Extraction of Physical and Motion Parameter of Mobile Targets Retrospective to Image Reconstruction with Motion Modeling I. Ali*, N. Alsbou, S. Ahmad

Sunday SU-E-J-151

Day-To-Day Variations in Fraction-Specific Motion Modeling Using Patient 4DCBCT Images S. Dhou*, W. Cai, M. Hurwitz, C. Williams, F. Cifter, M. Myronakis, D. Ionascu, J. Lewis

Sunday SU-E-J-152

Synthetic Gated CBCT Imaging for Lung SBRT X. Li*, P. Zhang, R. Gewanter, M. Chan, X. Tang, M. Hunt

Sunday SU-E-J-153

Reconstructing 4D Cone Beam CT Images for Clinical QA of Lung SABR Treatments J. Beaudry*, R. Cropp, A. Bergman

Sunday SU-E-J-154

Image Quality Assessment of Contrast-Enhanced 4D-CT for Pancreatic Adenocarcinoma in Radiotherapy Simulation W. Choi*, M. Xue, M. Kang, K. Patel, W. Regine, P. Klahr, J. Wang, W. D'Souza, W. Lu

Sunday SU-E-J-155

Automatic Quantitative Decision Making Metric for 4DCT Image Quality J. Blanco Kiely*, A. Olszanski, S. Both, D. Low, B. White

Sunday SU-E-J-156

Velocity-Based Reference Scan Selection for Motion-Model Error Reduction of 5DCT L. Yang*, D. O'Connell, T. Dou, D. Thomas, J. Lamb, D. Low

Sunday SU-E-J-157

Comparison Between Internal Respiratory Signal and External Respiratory Signal in 4D CT Y. Suh*, C. Hui, D. Robertson, T. Pan, P. Das, C. Crane, S. Beddar

Sunday SU-E-J-158

Audiovisual Biofeedback Reduces Image Artefacts in 4DCT: A Digital Phantom Study S. Pollock*, J. Kipritidis, D. Lee, K. Bernatowicz, P. Keall

Sunday SU-E-J-159

Analysis of Total Imaging Uncertainty in Respiratory-Gated Radiotherapy J. Suzuki*, T. Okuda, S. Sakaino, N. Yokota

Sunday SU-E-J-160

Motion Analysis and 3D Plane Fit Through the Tumor Center of Mass Positions in the 4DCT Data Set I. Jurkovic*, S. Stathakis, Y. Li, A. Patel, J. Vincent, N. Papanikolaou, P. Mavroidis

Sunday SU-E-J-161

Quality Assurance of 4DCT Process Using ET Gating Phantom System H. Chen*, Z. Chen, R. Nath, F. Guo

Sunday SU-E-J-162

Systematic Feasibility Analysis of a Quantitative Elasticity Estimation for Breast Anatomy Using Supine/prone Model Postures K. Hasse*, J. Neylon, A. Santhanam

Sunday SU-E-J-163

A Biomechanical Lung Model for Respiratory Motion Study X. Liu*, A. Belcher, Z. Grelewicz, R. Wiersma

Sunday SU-E-J-164

Estimation of DVH Variation for PTV Due to Interfraction Organ Motion in Prostate VMAT Using Gaussian Error Function C. Lewis, R. Jiang, J. Chow*

Sunday SU-E-J-165

Dosimetric Impact of Liver Rotations in Stereotactic Body Radiation Therapy D. Pinnaduwage*, A. Paulsson, A. Sudhyadhom, J. Chen, A. Chang, M. Anwar, A. Gottschalk, S. Yom, M. Descovich

Sunday SU-E-J-166

Sensitivity of Clinically Relevant Dosimetric Parameters to Contouring Uncertainty During Post Implant Dosimetry of Prostate Permanent Seed Implants S. Mashouf*, A. Ravi, G. Morton, W. Song

Sunday SU-E-J-167

Dosimetric Consequences From Minimal Displacements in APBI with SAVI Applicators S. Chandrasekara*, N. Dumitru, M. Hyvarinen, S. Pella

Sunday SU-E-J-168

Investigation of the Effect of Modulation Factor and Treatment Delivery Time for Liver VMAT SBRT E. Hubley*, G. Pierce, G. Ecclestone

Sunday SU-E-J-169

The Dosimetric and Temporal Effects of Respiratory-Gated Radiation Therapy in Lung Cancer Patients O. Rouabhi, B. Gross, J. Bayouth, J. Xia*

Sunday SU-E-J-170

Dosimetric Consequences of Uncorrected Rotational Setup Errors During Stereotactic Body Radiation Therapy (SBRT) Treatment of Pancreatic Cancers L. Di Maso, R. Teboh Forbang, Y. Zhang, J. Herman, L. Di Maso*

Sunday SU-E-J-171

The Dosimetric Consequence of a Failed Breath Hold for Left-Sided DIBH Breast Treatment B. Sintay*, S. Wentworth, C. Vanderstraeten, J. Maurer, H. Liu, L. Hayes, D. Wiant

Sunday SU-E-J-172

Bio-Physical Effects of Patients Set-Up Errors According to Whole Breast Irradiation Techniques S. Lee*, T. Suh, S. Park, M. Kim, J. Park, M. Lee

Sunday SU-E-J-173

Dosimetric Effect of Patient Positioning Uncertainties for IMRT and SBRT W. Luo*, A. Sandu

Sunday SU-E-J-174

Volume Based Analysis of Several Doses Point and Their Relation to Changing Volume in a 4DCT A. Nawaz*, R. Schanne, G. Ochsner, W. Chang

Sunday SU-E-J-175

Comparison of the Treatment Reproducibility of Tumors Affected by Breathing Motion M. Adamczyk*, T. Piotrowski, S. Adamczyk

Sunday SU-E-J-176

Characterization of Inter-Fraction Breast Variability and the Implications On Delivered Dose M. Sudhoff*, M. Lamba, N. Kumar, A. Ward, H. Elson

Sunday SU-E-J-177

A Computational Approach for Determination of Anisotropic PTV Margins Based On Statistical Shape Analysis for Prostate Cancer Radiotherapy Y. Shibayama*, H. Arimura, T. Hirose, K. Nakamura, U. Yoshiyuki, Y. Nakamura, H. Honda, F. Toyofuku

Sunday SU-E-J-178

Towards ART - Bootstrap Based Estimation of Cumulated Dose Distribution M. Gizynska*, D. Blatkiewicz, B. Czyzew, M. Gil-Ulkowska, M. Kaminski, S. �ukomska, A. Paciorkiewicz, M. Piziorska, M. Ziemek, J. Zygierewicz, P. Kukolowicz

Sunday SU-E-J-179

Assessment of Tumor Volume Change and Movement During Stereotactic Body Radiotherapy (SBRT) for Lung Cancer: Is Adaptive Radiation Therapy (ART) Necessary? C. Lee, C. Lee*

Sunday SU-E-J-180

Imaging-Based ITV May Provide Insufficient Internal Margin for Lung SBRT Patients with Tumor Misalignments Between 3D and 4D Planning CTs D. Zheng*, w. zhen, Y. Lei, K. Denniston, J. Driewer, Q. Zhang, X. Zhu, S. Wang, S. Zhou

Sunday SU-E-J-181

Effect of Prostate Motion On Combined Brachytherapy and External Beam Dose Based On Daily Motion of the Prostate V. Narayana*, J. Ealbaj, P. McLaughlin

Sunday SU-E-J-182

Reproducibility of Tumor Motion Probability Distribution Function in Stereotactic Body Radiation Therapy of Lung Using Real-Time Tumor-Tracking Radiotherapy System T. Shiinoki*, S. Kawamura, H. Hanazawa, S. Park, T. Uehara, Y. Yuasa, M. Koike, S. Takahashi, K. Shibuya

Sunday SU-E-J-183

Quantification of Motion During Hypo-Fractionated Prostate Cancer Radiation Therapy B. Ravindranath*, P. Zhang, J. Xiong, G. Mageras, M. Hunt

Sunday SU-E-J-184

Volumetric Indices to Aid Definition of Respiratory Gates with Particular Reference to Lung Stereotactic Body Radiotherapy (SBRT) H. Malhotra*, J. Gomez

Sunday SU-E-J-185

A Systematic Review of Breathing Guidance in Radiation Oncology and Radiology S. Pollock*, R. Keall, P. Keall

Sunday SU-E-J-186

Using 4DCT-Based Motion Modeling to Predict Motion and Duty Cycle On Successive Days of Gated Radiotherapy M. Myronakis*, W. Cai, S. Dhou, F. Cifter, J. Lewis

Sunday SU-E-J-187

Management of Optic Organ Motion in Fractionated Stereotactic Radiotherapy M. Manning*, J. Maurer

Sunday SU-E-J-188

Theoretical Estimation of Margin Necessary for Markerless Motion Tracking R. Patel*, A. Block, M. Harkenrider, J. Roeske

Sunday SU-E-J-189

Determination of Markerless Lung Tumor Position in Real Time: A Feasibility Study Using a Novel Tomo-Cinegraphy Imaging B. Yi*, E. Hu, C. Yu, M. Lee, G. Lasio

Sunday SU-E-J-190

Development of Abdominal Compression & Respiratory Guiding System Using Gas Pressure Sensor T. Kim*, S. Kim, D. Kim, S. Kang, M. Cho, K. Kim, D. Shin, T. Suh

Sunday SU-E-J-191

Motion Prediction Using Extreme Learning Machine in Image Guided Radiotherapy R. Cao, X. Pei, H. Wang, L. Hu, j. jia*

Sunday SU-E-J-192

Comparative Effect of Different Respiratory Motion Management Systems Y. Nakajima*, N. Kadoya, S. Kida, K. Ito, T. Kanai, K. Kishi, K. Sato, S. Dobashi, K. Takeda, K. Jingu

Sunday SU-E-J-193

Application of Surface Mapping in Detecting Swallowing for Head-&-Neck Cancer D. Cao*, X. Xie, V. Mehta, D. Shepard

Sunday SU-E-J-194

Continuous Patient Surface Monitoring and Motion Analysis During Lung SBRT E. Chung*, A. Rioux, S. Benedict, T. Yamamoto

Sunday SU-E-J-195

Evaluation of a Camera-Based External Patient Position Tracking System A. Jeung*, A. Sloutsky, H. Mostafavi

Sunday SU-E-J-196

Implementation of An In-House Visual Feedback System for Motion Management During Radiation Therapy V. Nguyen*, D. Ellerbusch, J. James, B. Wang

Sunday SU-E-J-197

Investigation of Microsoft Kinect 2.0 Depth Resolution for Patient Motion Tracking E. Silverstein*, M. Snyder

Sunday SU-E-J-198

Out-Of-Field Dose and Surface Dose Measurements of MRI-Guided Cobalt-60 Radiotherapy J. Lamb*, N. Agazaryan, M. Cao, D. Low, D. Thomas, Y. Yang

Sunday SU-E-J-199

A Software Tool for Quality Assurance of Online Replanning with MR-Linac G. Chen*, E. Ahunbay, X. Li

Sunday SU-E-J-200

Operation of An Electron Accelerator On An Integrated MR-Linac System J. Harasimowicz*, J. Kok, J. Overweg, D. Roberts, I. Shinton, S. Sund, H. Wang, M. Zhong

Sunday SU-E-J-201

Investigation of MRI Guided Proton Therapy J. Li*

Sunday SU-E-J-202

Performance of the Patient QA Systems in a Hybrid MRI-Linac A. Houweling, W. Vries, J. Wolthaus*, S. Woodings, B. van Asselen, J. Kok, J. Lagendijk, B. Raaymakers

Sunday SU-E-J-203

Investigation of 1.5T Magnetic Field Dose Effects On Organs of Different Density H. Lee*, A. Rubinstein, G. Ibbott

Sunday SU-E-J-204

Can a Commercial System for MR-IGRT Be Used to Treat Patients Without Acquiring a CT Scan? H. Wooten*, S. Yaddanapudi, L. Santanam, H. Li, S. Mutic

Sunday SU-E-J-205

Dose Distribution Differences Caused by System Related Geometric Distortion in MRI-Guided Radiation Treatment System J. Wang*, J. Yang, S. Marshall, Z. Wen, L. Court, G. Ibbott

Sunday SU-E-J-206

Adaptive Radiotherapy for Gynecological Malignancies with MRI-Guided Cobolt-60 Radiotherapy J. Lamb*, M. Kamrava, N. Agazaryan, M. Cao, D. Low, D. Thomas, Y. Yang

Sunday SU-E-J-207

Effect of Pulse Sequence Parameters On Geometric Distortions Induced by a Titanium Brachytherapy Applicator S. Shea*, A. Diak, M. Surucu, M. Harkenrider, J. Yacoub, J. Roeske, W. Small

Sunday SU-E-J-208

Feasibility Study On Using Small Plastic Phantoms for Auditing Radiation Output of MR-Linac Systems Z. Wen*, P. Alvarez, G. Ibbott

Sunday SU-E-J-209

Geometric Distortion at 3T in a Commercial 4D MRI-Compatible Phantom A. Fatemi*, M. Wronski, A. Kim, G. Stanisz, A. Sarfehnia, B. Keller

Sunday SU-E-J-210

Characterizing Tissue Equivalent Materials for the Development of a Dual MRI-CT Heterogeneous Anthropomorphic Phantom Designed Specifically for MRI Guided Radiotherapy Systems A. Steinmann*, R. Stafford, J. Yung, D. Followill

Sunday SU-E-J-211

Assessing the Consistency of the ViewRay 0.35 T MRI System Y. Yan*, D. Saenz, J. Bayouth, B. Paliwal

Sunday SU-E-J-212

MR Diffusion Tensor Imaging for Assessment of Tumor and Normal Brain Tissue Responses of Juvenile Pilocytic Astrocytoma Treated by Proton Therapy P. Hou*, P. Park, H. Li, X. Zhu, A. Mahajan, D. Grosshans

Sunday SU-E-J-213

Visualization of Scans and Metrics for Longitudinal Informatics A. Apte*, H. Veeraraghavan, N. Tyagi, P. Kijewski, J. Deasy

Sunday SU-E-J-214

MR Protocol Development to Visualize Sirius MRI Markers in Prostate Brachytherapy Patients for MR-Based Post-Implant Dosimetry T. Lim*, J. Wang, S. Frank, R. Stafford, T. Bruno, T. Bathala, M. Usama, T. Pugh, G. Ibbott, R. Kudchadker

Sunday SU-E-J-215

Towards MR-Only Image Guided Identification of Calcifications and Brachytherapy Seeds: Application to Prostate and Breast LDR Implant Dosimetry A. Elzibak*, A. Fatemi, A. Soliman, S. Mashouf, H. Safigholi, D. Han, A. Ravi, G. Morton, W. Song

Sunday SU-E-J-216

A Sequence Independent Approach for Quantification of MR Image Deformations From Brachytherapy Applicators N. van Wieringen*, L. van Heerden, O. Gurney-Champion, Z. van Kesteren, A. Houweling, B. Pieters, A. Bel

Sunday SU-E-J-217

Multiparametric MR Imaging of Cranial Tumors On a Dedicated 1.0T MR Simulator Prior to Stereotactic Radiosurgery N. Wen*, C. Glide-Hurst, M. Liu, D. Hearshen, S. Brown, S. Siddiqui, I. Chetty

Sunday SU-E-J-218

Novel Validation Paradigm of MRI to CT Deformation of Prostate K. Padgett*, S. Pirozzi, A. Nelson, R. Stoyanova, J. Piper, M. Horvat, N. Dogan, A. Pollack

Sunday SU-E-J-219

A Dixon Based Pseudo-CT Generation Method for MR-Only Radiotherapy Treatment Planning of the Pelvis and Head and Neck M. Maspero, P. Seevinck, G. Meijer, J. Lagendijk, M. Viergever, C. van den Berg*

Sunday SU-E-J-220

Assessment of MRI Geometric Distortion in Head and Neck Cancer Patients Scanned in Immobilized Radiation Treatment Position C. Hansen, A. Mohamed*, J. Weygand, Y. Ding, C. Fuller, S. Frank, J. Wang

Sunday SU-E-J-221

A Novel Expansion Method for MRI Based Target Delineation in Prostate Radiotherapy B. Ruiz*, Y. Feng, R. Shores, C. Fung

Sunday SU-E-J-222

Feasibility Study of MRI-Only Proton Therapy Planning M. Spadea*, D. Izquierdo, C. Catana, C. Collins-Fekete, T. Bortfeld, J. Seco

Sunday SU-E-J-223

A BOLD Contrast Imaging Sequence to Evaluate Oxygenation Changes Due to Breath Holding for Breast Radiotherapy: A Pilot Study J. Adamson*, Z. Chang, J. Cai, M. Palta, J. Horton, F. Yin, R. Blitzblau

Sunday SU-E-J-224

Using UTE and T1 Weighted Spin Echo Pulse Sequences for MR-Only Treatment Planning; Phantom Study H. Yu*, A. Fatemi, A. Sahgal

Sunday SU-E-J-225

CEST Imaging in Head and Neck Cancer Patients J. Wang*, K. Hwang, C. Fuller, A. Mohamed, Y. Ding, S. Frank, J. Hazle, J. Zhou

Sunday SU-E-J-226

Efficient Use of Computed Tomography (CT) and Magnetic Resonance Imaging (MRI) for Cervical-Cancer Brachytherapy A. Damato*, M. Bhagwat, I. Buzurovic, R. Cormack, L. Lee, A. Viswanathan

Sunday SU-E-J-227

Evaluation of Residual Geometric Distortion in MRI for Treatment Planning J. Wang, J. Yang*, K. Hwang, Z. Wen, L. Court, G. Ibbott

Sunday SU-E-J-228

MRI-Based Planning: Dosimetric Feasibility of Dose Painting for ADC-Defined Intra-Prostatic Tumor X. Chen*, E. Dalah, P. Prior, C. Lawton, X. Li

Sunday SU-E-J-229

Magnetic Resonance Imaging of Small Fiducial Markers for Proton Beam Therapy Y. Hu*, J. James, A. Panda, C. Vargas, A. Silva, W. Liu, J. Shen, X. Ding, R. Paden, J. Hanson, W. Wong, S. Schild, M. Bues

Sunday SU-E-J-230

Evaluation of ViewRay 0.35 T MRI Normal Structure Segmentation B. Paliwal*, W. Asprey, Y. Yan, D. Saenz, J. Bayouth

Sunday SU-E-J-231

Comparison of Delineation Variability of Soft Tissue Volume and Position in Head-And-Neck Between Two T1-Weighted Pulse Sequences Using An MR-Simulator with Immobilization O. Wong*, G. Lo, J. Yuan, M. Law, A. Ding, K. Cheng, K. Chan, K. Cheung, S. Yu

Sunday SU-E-J-232

Feasibility of MRI-Based Preplan On Low Dose Rate Prostate Brachytherapy Y. Huang*, J. Tward, P. Rassiah-Szegedi, H. Zhao, V. Sarkar, L. Huang, M. Szegedi, K. Kokeny, B. Salter

Sunday SU-E-J-233

Effect of Brachytherapy Seed Artifacts in T2 and Proton Density Maps in MR Images S. Mashouf*, A. Fatemi, W. Song

Sunday SU-E-J-234

Application of a Breathing Motion Model to ViewRay Cine MR Images D. O'Connell*, D. Thomas, T. Dou, J. Lamb, L. Yang, D. Low

Sunday SU-E-J-235

Audiovisual Biofeedback Improves the Correlation Between Internal and External Respiratory Motion D. Lee*, P. Greer, J. Ludbrook, C. Paganelli, S. Pollock, T. Kim, P. Keall

Sunday SU-E-J-236

Audiovisual Biofeedback Improves Breath-Hold Lung Tumor Position Reproducibility Measured with 4D MRI D. Lee*, P. Greer, C. Lapuz, J. Ludbrook, S. Pollock, T. Kim, P. Keall

Sunday SU-E-J-237

Real-Time 3D Anatomy Estimation From Undersampled MR Acquisitions M. Glitzner*, B. Denis de Senneville, J. Lagendijk, B. Raaymakers, S. Crijns

Sunday SU-E-J-238

First-Order Approximation of Time-Resolved 4DMRI From Cine 2DMRI and Respiratory-Correlated 4DMRI G. Li*, J. Wei, N. Tyagi, M. Hunt, J. Deasy

Sunday SU-E-J-239

Influence of RF Coil Materials On Surface and Buildup Dose From a 6MV Photon Beam A. Ghila*, B. Fallone, S. Rathee

Sunday SU-E-J-240

Development of a Novel 4D MRI Sequence for Real-Time Liver Tumor Tracking During Radiotherapy L. Zhuang*, y. ye, r. zhuang, J. Burmeister

Sunday SU-E-J-241

Wavelet-Based Temporal Feature Extraction From DCE-MRI to Identify Sub-Volumes of Low Blood Volume in Head-And-Neck Cancer D. You*, M. Aryal, S. Samuels, A. Eisbruch, Y. Cao

Sunday SU-E-J-242

Volume-Dependence of Quantitative Imaging Features From CT and CE-CT Images of NSCLC X. Fave*, D. Fried, L. Zhang, J. Yang, P. Balter, D. Followill, D. Gomez, A. Jones, F. Stingo, L. Court

Sunday SU-E-J-243

Reproducibility of Radiomics Features Through Different Voxel Discretization Levels in F18-FDG PET Images of Cervical Cancer B. Altazi*, D. Fernandez, G. Zhang, M. Biagioli, E. Moros

Sunday SU-E-J-244

Development and Validation of a Knowledge Based Planning Model for External Beam Radiation Therapy of Locally Advanced Non-Small Cell Lung Cancer Z. Liu*, E. Larsen, S. Bahamondes, M. Choi, J. Li, K. Cranford, C. Hayes, A. Grow, Y. Zheng, X. Wu, S. Pai, A. Kennedy

Sunday SU-E-J-245

Sensitivity of FDG PET Feature Analysis in Multi-Plane Vs. Single-Plane Extraction S. Harmon*, P. Galavis, R. Jeraj

Sunday SU-E-J-246

CT-Based Volumetric Features Are Associated with Somatic Mutations in Lung Cancer T. Coroller*, P. Grossmann, Y. Hou, S. Lee, R. Mak, H. Aerts

Sunday SU-E-J-247

Time Evolution of Radiation-Induced Lung Injury After Stereotactic Proton Therapy C. Grassberger*, G. Sharp, F. Fintelmann, H. Paganetti, H. Willers

Sunday SU-E-J-248

Contributions of Tumor and Stroma Phenotyping in Computer-Aided Diagnosis H. Li*, L. Lan, C. Sennett, M. Giger

Sunday SU-E-J-249

Characterization of Gynecological Tumor Heterogeneity Using Texture Analysis in the Context of An 18F-FDG PET Adaptive Protocol J. Nawrocki*, J. Chino, S. Das, O. Craciunescu

Sunday SU-E-J-250

A Machine Learning Approach for Creating Texture-Preserved MRI Tumor Models From Clinical Sequences M. Vallières*, A. Diamant, S. Laberge, I. R. Levesque, I. El Naqa

Sunday SU-E-J-251

Incorporation of Pre-Therapy 18F-FDG Uptake with CT Texture Features in a Predictive Model for Radiation Pneumonitis Development G. Anthony*, A. Cunliffe, R. Castillo, N. Pham, T. Guerrero, S. Armato, H. Al-Hallaq

Sunday SU-E-J-252

Reproducibility of Radiogenomic Image Features: Comparison of Two Semi-Automated Segmentation Methods M. Lee*, B. Woo, J. Kim, N. Jamshidi, M. Kuo

Sunday SU-E-J-253

The Radiomics Toolbox in the Computational Environment for Radiological Research (CERR) A. Apte*, H. Veeraraghavan, J. Oh, P. Kijewski, J. Deasy

Sunday SU-E-J-254

Evaluating the Role of Mid-Treatment and Post-Treatment FDG-PET/CT in Predicting Progression-Free Survival and Distant Metastasis of Anal Cancer Patients Treated with Chemoradiotherapy H. Zhang*, J. Wang, M. Chuong, W. D'Souza, K. Latifi, n. saeed, S. Tan, W. Choi, S. Hoffe, R. Shridhar, E. Moros, W. Lu

Sunday SU-E-J-255

Automatic Segmentation Refined, Multiple Slice-Wise Voting Based Classification of Tumors From MRI H. Veeraraghavan*, Y. Lakhman, D. Feier, H. Vargas, H. Hricak, J. Deasy, E. Sala

Sunday SU-E-J-256

Predicting Metastasis-Free Survival of Rectal Cancer Patients Treated with Neoadjuvant Chemo-Radiotherapy by Data-Mining of CT Texture Features of Primary Lesions H. Zhong*, J. Wang, L. Shen, W. Hu, j. wan, z. zhou, z. zhang

Sunday SU-E-J-257

A PCA Model to Predict Adaptive Changes for Head&neck Patients Based On Extraction of Geometric Features From Daily CBCT Datasets M. Chetvertkov*, F. Siddiqui, I. Chetty, J. Kim, A. Kumarasiri, C. Liu, J. Gordon

Sunday SU-E-J-258

Prediction of Cervical Cancer Treatment Response Using Radiomics Features Based On F18-FDG Uptake in PET Images B. Altazi*, D. Fernandez, G. Zhang, M. Biagioli, E. Moros

Sunday SU-E-J-259

How Does CT Reconstruction Kernel Affect the Radiogenomic Features in Non-Small Cell Lung Cancer? H. Jin*, C. Ahn, M. Kuo, J. Kim

Sunday SU-E-J-260

Quantitative Image Feature Analysis of Multiphase Liver CT for Hepatocellular Carcinoma (HCC) in Radiation Therapy W. Choi*, M. Kang, J. Wang, W. Lu

Sunday SU-E-J-261

The Importance of Appropriate Image Preprocessing to Augment the Information of Radiomics Image Features L. Zhang*, D. Fried, X. Fave, D. Mackin, J. Yang, L. Court

Sunday SU-E-J-262

Variability in Texture Analysis of Gynecological Tumors in the Context of An 18F-FDG PET Adaptive Protocol J. Nawrocki*, J. Chino, S. Das, O. Craciunescu

Sunday SU-E-J-263

Repeatability of SUV and Texture Parameters in Serial PET Studies J. Schwartz*, J. Humm, S. Nehmeh, H. Schoder

Sunday SU-E-J-264

Using Magnetic Resonance Imaging-Derived Features to Quantify Radiotherapy-Induced Normal Tissue Morbidity M. Thor*, N. Tyagi, J. Deasy

Sunday SU-E-J-265

Feasibility Study of Texture Analysis for Prognosis of Local Tumor Recurrence Within 5-Years for Pharyngeal-Laryngeal Carcinoma Patients Received Radiotherapy Treatment W. Huang*, S. Tu

Sunday SU-E-J-266

Cone Beam Computed Tomography (CBCT) Inter-Scan and Inter-Observer Tumor Volume Variability Assessment in Patients Treated with Stereotactic Body Radiation Therapy (SBRT) for Early Stage Non-Small Cell Lung Cancer (NSCLC) Y. Hou*, C. Aileen, D. Kozono, J. Killoran, M. Wagar, S. Lee, F. Hacker, H. Aerts, J. Lewis, R. Mak

Sunday SU-E-J-267

Change in Mean CT Intensity of Lung Tumors During Radiation Treatment R. Mahon*, N. Tennyson, E. Weiss, G. Hugo

Sunday SU-E-J-268

Change of CT Number During the Course of Chemoradiation Therapy for Pancreatic Cancer X. Chen*, J. Zhang, E. Dalah, F. Liu, W. Hall, B. Erickson, X. Li

Sunday SU-E-J-269

Tracking of Tumor Regression for Stage III Lung Cancer Using CBCT K. Kang, T. Biswas, T. Podder*

Sunday SU-E-J-270

Repeated 18F-FDG PET/CTs Based Feature Analysis for the Predication of Anal Cancer Recurrence J. Wang*, M. Chuong, K. Latifi, n. saeed, S. Tan, W. Choi, S. Hoffe, R. Shridhar, E. Moros, W. Lu

Sunday SU-E-J-271

Correlation of CT Number Change with Radiation Treatment Response for Pancreatic Cancer E. Dalah*, A. Tai, K. Oshima, W. Hall, P. Knechtges, B. Erickson, X. Li

Sunday SU-E-J-272

Auto-Segmentation of Regions with Differentiating CT Numbers for Treatment Response Assessment C. Yang*, T. Gilat-Schmidt, G. Noid, E. Dalah, E. Paulson, X. Li

Sunday SU-E-J-273

Skin Temperature Recovery Rate as a Potential Predictor for Radiation-Induced Skin Reactions N. Biswal*, Z. Wu, J. Sun, J. Chu

Sunday SU-E-J-274

Responses of Medulloblastoma Cells to Radiation Dosimetric Parameters in Intensity-Modulated Radiation Therapy J. Park*, J. Park, S. Rogalla, D. Woo, D. Lee, H. Park, C. Contag, T. Suh

Sunday SU-E-J-275

Review - Computerized PET/CT Image Analysis in the Evaluation of Tumor Response to Therapy W. Lu*, J. Wang, H. Zhang