Fig. 25.25 Metastatic carcinoid tumour. 111In octreotide scans taken at (a) 10 minutes, (b) 4 hours and (c) 21 hours show uptake in the metastases (T). Excreted activity is seen in the urinary bladder in the lower part of images (a) and (b). Note that on the delayed images the target to background ratio improves.
