title: Intrasacral extradural communicating arachnoid cyst: cases report.
mesh_terms: D000328:Adult; D001099:Arachnoid; D003560:Cysts / Q000000981:diagnostic imaging / Q000473:pathology / Q000601:surgery*; D004824:Epidural Space; D006801:Humans; D008297:Male; D009192:Myelography; D013122:Spinal Diseases / Q000000981:diagnostic imaging / Q000473:pathology / Q000601:surgery*; D014057:Tomography, X-Ray Computed