title: Asymptomatic sacral agenesis with neurogenic bladder in a 42 year old man.
mesh_terms: D000328:Adult; D006801:Humans; D008297:Male; D012445:Sacrococcygeal Region / Q000002:abnormalities* / Q000000981:diagnostic imaging; D012447:Sacrum / Q000002:abnormalities*; D001750:Urinary Bladder, Neurogenic / Q000000981:diagnostic imaging / Q000209:etiology*; D014567:Urography