Occult intrasacral meningocele.
D000328:Adult; D005260:Female; D006801:Humans; D007796:Laminectomy; D008588:Meningocele / Q000000981:diagnostic imaging* / Q000601:surgery; D009192:Myelography; D012447:Sacrum / Q000000981:diagnostic imaging*; D014057:Tomography, X-Ray Computed