Abstract #4836

MRI guided radiation therapy near metal implants in a 1.5T MR-Linac system

Fahed Alsanea¹, Teodor Stanescu², Yao Ding¹, Sastry Vedam¹, Jinzhong Yang¹, Seungtaek Choi¹, Anuja Jhingran¹, and Jihong Wang¹

¹UT MD Anderson Cancer Center, Houston, TX, United States, ²Princess Margaret Cancer Centre, Toronto, ON, Canada

MR-Linac systems are useful to visualize small soft-tissue targets for radiotherapy (RT) treatments. Geometric distortion caused by metal implants can interfere with the accuracy of the RT plan design and delivery. In this study, we simulated the spatial distortions caused by a hip prosthesis and determined its impact on surrounding tissues.

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