Fig. 5From: Combined modality PET/MR for the detection of severe large vessel vasculitisThe percentage of scans with positive findings as defined by various positive definitions. MR was more sensitive than PET for the detection of vasculitis (severe or non-severe) (MR positive bars higher than PET positive bars). When positive PET or MR findings were considered to represent a positive scan, positive scans were more often found in severe LVV than in non-severe LVVBack to article page