Congenital narrowing of the spinal canal.
D000130:Achondroplasia / Q000151:congenital; D000328:Adult; D002574:Cervical Vertebrae / Q000601:surgery; D006801:Humans; D007796:Laminectomy; D008161:Lumbosacral Region / Q000601:surgery; D008297:Male; D008875:Middle Aged; D009192:Myelography; D013115:Spinal Canal / Q000002:abnormalities*; D013122:Spinal Diseases / Q000000981:diagnostic imaging / Q000601:surgery