An<unk>  may be used to locate suspected primary neuroendocrine tumours (NET) or for follow-up or staging after treatment. Where indicated,<unk> ning for NET tumors is being increasingly replaced by gallium-68 DOTA and copper-64 DOTATATE<unk> s.
Octreotide scan
GI cocktail
Secretin-cholecystokinin test
Electrogastrogram
Magnetogastrography
Upper gastrointestinal series
Gastric emptying scan
Acid perfusion test