ESTRO course Dose Modelling and Verification 2017

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2D detectors [EPID]
McNutt Med Phys (23) 1996
Pasma IJROBP (45) 1999
Van Esch Radiother Oncol (60) 2001
DEPID_meas = DEPID_calc ?
1 – Forward from transit images
 Measure transit EPID dose (DEPID_meas )
 Extend patient CT data to EPID level and
calculate TPS EPID dose (DEPID_calc)
 Compare measured with calculated EPID
dose