Mucoceles of Brunner's glands.
D003937:Diagnosis, Differential; D004378:Duodenal Diseases / Q000175:diagnosis / Q000209:etiology*; D004379:Duodenal Neoplasms / Q000175:diagnosis; D005260:Female; D006801:Humans; D007417:Intestinal Polyps / Q000175:diagnosis; D008297:Male; D008875:Middle Aged; D009078:Mucocele / Q000150:complications* / Q000175:diagnosis