title: An unusual presacral tumor.
mesh_terms: D000328:Adult; D001416:Back Pain / Q000209:etiology; D006801:Humans; D008297:Male; D008588:Meningocele / Q000150:complications / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000601:surgery; D008722:Methods; D009192:Myelography; D010173:Palpation; D010808:Physical Examination; D012445:Sacrococcygeal Region