Dose Course 2018_Flipping book

Origin’s of PSQA

 Burman et al. (1997) one of the 1 st to recommend PSQA  A number of guidelines subsequently recommended PSQA measurement (AAPM 2003)  Ibbott et al. (2009) reported on results of an RPC dosimetry audit that greater variation in dosimetric accuracy between centres for IMRT compared to 3DCRT  Early literature - IMRT plans possess a lot of segments and place higher demands on MLC modelling and calibration  At the beginning – a consensus to measure