Whole body scan images of one of the study participants at 3 minutes (A) and at 5 hours (B). Regions of interest (ROI) were drawn in the anterior and posterior images to quantify the activity in whole body, urinary bladder (X), and the adductor muscles of both thighs (Y), as described by Brenner et al. Z = area marked for counting the background radiation.
Lenora et al. BMC Medical Physics 2009 9:3 doi:10.1186/1756-6649-9-3