title: Mucocele of a Brunner gland.
abstract: An intramural mass of the second portion of the duodenum proved to be a mucocele of a Brunner gland on excision during cholecystectomy. This entity, although rare, should be included in the differential diagnosis of duodenal mass lesions.
mesh_terms: D002011:Brunner Glands / Q000000981:diagnostic imaging* / Q000473:pathology; D002758:Cholangiography; D002763:Cholecystectomy; D003937:Diagnosis, Differential; D004386:Duodenum / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D008875:Middle Aged; D009078:Mucocele / Q000000981:diagnostic imaging* / Q000473:pathology / Q000601:surgery