Fig. 10

A patient with well-differentiated duodenal NET (G1, Ki67 < 2%) underwent ⁶⁸Ga-DOTATATE for the assessment of suitability for ¹⁷⁷Lu-DOTATATE. ⁶⁸Ga-DOTATATE PET CT and PET/CT (A) showed no uptake in the hepatic metastases (brackets). ⁶⁸Ga-DOTA-Exendin-4 PET, CT and PET/CT (B) showed intense uptake in the hepatic metastases (brackets)