title: Mucous metaplasia and rupture of urachal cyst as a rare cause of acute abdomen.
mesh_terms: D000006:Abdomen, Acute / Q000209:etiology* / Q000473:pathology; D000328:Adult; D006801:Humans; D008297:Male; D008679:Metaplasia; D012422:Rupture, Spontaneous; D014496:Urachal Cyst / Q000150:complications* / Q000473:pathology; D014497:Urachus / Q000473:pathology*