The occult intrasacral meningocele.
D000328:Adult; D005260:Female; D006801:Humans; D008159:Lumbar Vertebrae / Q000000981:diagnostic imaging; D008161:Lumbosacral Region; D008588:Meningocele / Q000000981:diagnostic imaging / Q000209:etiology / Q000473:pathology / Q000601:surgery; D008722:Methods; D009192:Myelography; D012447:Sacrum / Q000000981:diagnostic imaging; D001750:Urinary Bladder, Neurogenic / Q000209:etiology