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Abstract #3395

Feasibility of Monitoring Geometric Distortion for Radiation Therapy Planning using ACR Weekly QA

Chen Lin1, Stephanie Tensfeldt1, and Christopher Serago2
1Radiology, Mayo Clinic, Jacksonville, FL, United States, 2Radiation Oncology, Mayo Clinic, Jacksonville, FL, United States

To demonstrate the distortion measurements based on automatic analysis of American College of Radiology (ACR) weekly quality assurance (QA) scans is adequate for monitoring the geometric distortion of a MR scanner for radiation therapy planning by comparing with distortion measurements using a 3D grid phantom.

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