Fig. 2
From: A Nordic survey of CT doses in hybrid PET/CT and SPECT/CT examinations
Distribution of DLP75kg according to system number and clinical purpose for PET/CT oncology whole body (Data submissions from a system for more than one clinical purpose are labelled with a letter suffix) (a), PET/CT infection/inflammation (b), PET/CT brain (Mean DLP data (not weight-derived) normalised to a 16-cm CTDI phantom are given for PET/CT brain; Data submissions from a system for more than one clinical purpose are labelled with a letter suffix) (c). SPECT/CT lung (d)