Strategies for enhancing delivery efficiency on MR-Linac: A dosimetric study and historical plan review.

Ying Zhang¹, Shanshan Tang¹, Christopher Kabat¹, Justin Visak¹, Tsuicheng Chiu¹, Ruiqi Li¹, Steve Jiang¹, Mu-Han Lin¹

¹Medical Artificial Intelligence and Automation (MAIA) Lab & Department of Radiation Oncology, UT Southwestern Medical Center, Dallas, Texas, USA.

PubMed PMC DOI PDF

Abstract

PURPOSE: The Elekta Unity MR-Linac enables online adaptive radiotherapy (oART) with integrated 1.5T MRI. Given its relatively low dose rate, identifying optimal IMRT planning parameters is essential to achieve efficient delivery. This study investigates parameter optimization strategies that enhance delivery efficiency while maintaining high dosimetric quality. METHODS: A dosimetric study was des…

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