Fig. 4

Patient example showing hotspot segmentation in a bone scan (anterior and posterior views) with a BSI of 0.4% and b maximum intensity projection NaF PET/CT scans with a PET index of 2.6%. Note that the BSI analysis is based on the two images showed in (a) whereas the PET/CT indices are based on a 3D analysis and not the two projection images showed in this figure