Whole-body images of patient 2 at 0.5 h after injection (A), 2.5 h after injection (B), 20 h after injection (C), and 113 h after injection (D) of 161Tb-DOTATOC. Early blood-pool activity was noted in heart (H) and blood vessels (BV) up to 2.5 h after injection. Physiologic uptake of radiopeptide was observed in soft tissues, liver (Li), kidneys (Ki), intestines (Int) and urinary bladder (Bl). Pathologic accumulation of 161Tb-DOTATOC was demonstrated in bilobar liver (blue arrows) and multifocal osseous metastases (red arrows). p.i. = after injection.