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Results for "verification assessment": 8 found

A Novel Cost-Effective Customizable 3D-Printed Thoracic Phantom for End-to-End Treatment Verification and Image Quality Assessment

Authors: Reza Farjam, Russell K Hales, Seth Jayawardane, Todd R. McNutt, Mohammad Rezaee, Ehsan Tajikmansoury, K. Ranh Voong

Affiliation: Department of Radiation Oncology and Molecular Radiation Sciences, Johns Hopkins University School of Medicine, Johns Hopkins University, Department of Biomedical Engineering, Johns Hopkins School of Medicine

Abstract Preview: Purpose: This study presents a novel cost-effective customizable 3D-printed phantom developed for end-to-end treatment verification and image-quality assessment for thoracic applications.
Methods: ...

Creation of Customized Workflows in a New Surface-Guided Radiation Therapy (SGRT) System

Authors: Sorour Hosseini, YuHuei Jessica Huang, Jeremy Kunz, Nicholas Pierre Nelson, Ryan G. Price, Prema Rassiah, Hui Zhao

Affiliation: University of Utah, Department of Radiation Oncology, Huntsman Cancer Institute, University of Utah

Abstract Preview: Purpose: To investigate the feasibility and clinical implications of creating customized workflows in a new SGRT system: LUNA 3D (LAP, Florida).
Methods: Three clinical SGRT workflows were designed...

Direct Table Rotational Isocenter Determination Using Radiation Isocenter

Authors: Christopher Ackerman, Chang Chang, Yansong Liu, Stephen Kenneth Northway, Bailey Vallejo

Affiliation: University of California San Diego / California Protons, California Protons Cancer Therapy Center, California Proton Cancer Therapy Center

Abstract Preview: Purpose: To determine mechanical isocenter of a 6-degree-of-freedom (6DOF) couch using radiation isocenter. Coincidence between the isocenters is quantified using MyQA Phoenix amorphous silicon detect...

Dosimetric Effect of Patient Positioning Errors in Dual-Isocenter VMAT for Bilateral Breast Cancer Treatment: A Quantitative Assessment

Authors: Awens Alphonse, Nebi Demez, Noufal Manthala Padannayil, Haley Park, Shyam Pokharel, Suresh Rana, Lauren A. Rigsby, Nishan Shrestha, Somol Sunny

Affiliation: Florida Atlantic University, Lynn Cancer Institute, Boca Raton Regional Hospital, Baptist Health South Florida

Abstract Preview: Purpose: This study evaluates the dosimetric effects of patient positioning errors, including setup inaccuracies and yaw deviations, on dual-isocenter volumetric modulated arc therapy (VMAT) plans for...

Objective Verification of Mechanical and Radiation Isocenters Independent of Setup

Authors: Jonathan Dowell, Wei Luo, Shane McCarthy, Janelle A. Molloy, Markus Murphy

Affiliation: University of Kentucky, Department of Radiation Medicine, Iridesce Solutions, Inc.

Abstract Preview: Purpose: The novel machine quality assurance (QA) device nΓΌFilm (Iridesce Solutions, Lexington KY) allows for an objective assessment of light and radiation fields independent of setup. Herein, the ab...

Proactive Quality Assurance for Adaptive Radiotherapy: Real-Time Mlc Verification with Myqa SRS

Authors: James L. Giltz, Michael J. Merrick

Affiliation: Alyzen Medical Physics, University of Kentucky

Abstract Preview: Purpose: To evaluate the capability of MyQA SRS in performing high-resolution machine QA to verify multileaf collimator (MLC) behavior and integrity for adaptive radiotherapy (ART). This study demonst...

Prompt Preset for Imaging Physics Education and Board Style Question Generation: Development and Validation

Authors: Rose Al Helo, Shengwen Deng, Sven L. Gallo, David W. Jordan

Affiliation: Department of Radiology, Radiation Safety, University Hospitals Cleveland Medical Center, University Hospitals Cleveland Medical Center, Department of Radiology, Radiation Safety, University Hospitals Cleveland Medical Center; School of Medicine, Case Western Reserve University; Department of Radiology, Louis Stokes Cleveland VA Medical Center

Abstract Preview: Purpose: From an educator perspective, preparing test questions for trainees is time-consuming and requires a lot of quality verification steps (review of stems, distractors, referencing) that can pot...

Radiopharmaceutical-Free Assessment of Tumor Vasculature Condition in Particle Therapy By Means of Range-Verification PET: A Feasibility Rat Study

Authors: Go Akamatsu, Han Gyu Kang, Chie Seki, Hitomi Sudo, Hideaki Tashima, Chie Toramatsu, Hidekatsu Wakizaka, Iwao Yamaya, Taiga Yamaya

Affiliation: National Institutes for Quantum Science and Technology

Abstract Preview: Purpose:
Tumor oxygen status, which provides important information to optimize particle therapy, may constantly change during a treatment period of several weeks. However, it is impractical to perf...