IMRT 2018

Log files

• Treatment plan may by made based on DynaLog files from the accelerator. • DynaLog files record position of each MLC leaf throughout delivery • Import into TPS, calculated dose - compare to intended dose • Shows the actual dosimetric consequence of the equipment errors

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Qian, PMB 55, 2010. Dose reconstruction for volumetric modulated arc therapy (VMAT) using cone-beam CT and dynamic log files