title: Elevated lesions in the duodenal bulb caused by heterotopic gastric mucosa.
abstract: Heterotopic gastric mucosa in the duodenal bulb is sometimes seen as elevated lesions. Radiological and endoscopic findings in 22 patients are reported, and the characteristic appearance on each study is described. Glucagon-induced hypotonia of the duodenal bulb facilitates the diagnosis.
mesh_terms: D000328:Adult; D000368:Aged; D002828:Choristoma / Q000175:diagnosis* / Q000000981:diagnostic imaging; D004379:Duodenal Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging; D004724:Endoscopy; D005260:Female; D005753:Gastric Mucosa; D005934:Glucagon; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography
chemical_list: D005934:Glucagon