The effect of density overrides on magnetic resonance-guided radiation therapy planning for lung cancer

Oliver Schrenk,Claudia Katharina Spindeldreier,Daniela Schmitt,Falk Roeder,Mark Bangert,Lucas Norberto Burigo,Asja Pfaffenberger

Physics and Imaging in Radiation Oncology（2018）

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摘要

In this work, first results on the effect of density overrides on treatment planning for MRgRT are presented. It was observed that the underestimation of magnetic field effects in overridden densities during treatment planning resulted in an altered delivered dose, depending on the field strength and orientation.

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关键词

Density overrides,Treatment planning,IMRT,Monte Carlo,MRgRT,MR-linac,Magnetic field,Lung cancer,Dose delivery,Tumor motion

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