title: Duodenal polyp composed of ectopic gastric mucosa.
abstract: Occurrence of duodenal polyps composed of ectopic gastric mucosa is rare. This report presents a case of single duodenal polyp composed of ectopic gastric mucosa in an adult male which was electroresected during endoscopic examination by means of a diathermic snare.
mesh_terms: D002828:Choristoma / Q000175:diagnosis*; D004378:Duodenal Diseases / Q000175:diagnosis*; D005753:Gastric Mucosa; D006801:Humans; D007417:Intestinal Polyps / Q000175:diagnosis*; D008297:Male; D008875:Middle Aged