Dynamic modulated arc therapy (DMAT): A time-aware, modulation-steered optimization framework for next-generation radiotherapy delivery.

Taoran Li¹, Esa Kuusela¹, Emmi Ruokokoski¹, Heini Hyvönen¹, Jerry Jaboin¹, Mirko Myllykoski¹, Jussi Nurminen¹, Riku Paananen¹, Jarkko Peltola¹, Marko Rusanen¹, Martin Sabel¹, Kevin Moore¹, Christopher Boylan¹

¹Varian Medical Systems Inc., a Siemens Healthineers company, Palo Alto, California, USA.

PubMed DOI

Abstract

BACKGROUND: Conventional VMAT optimization largely treats delivery time and deliverability as emergent properties of simplified, control-point-centric models that often ignore finite acceleration and other dynamic limits. As modern linacs continue to increase maximum axis speeds and dose rates, there is a growing need for a planning paradigm that makes the plan quality-time trade-off explicit and…

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