Real-time beam monitoring for error detection in IMRT plans and impact on DVH

Livia Marrazzo, et al, Multi-centre study of 3 RT departments

This article shows the ability of detecting small delivery errors with a transmission detector for online monitoring of Intensity Modulated Radiation Therapy (IMRT) treatments. The authors also show how the IQM signal deviations strongly correlate with changes in the dose-volume-histogram for the PTV and OAR’s.

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