Intrathecal disc prolapse associated with lumbar canal stenosis.
D002420:Cauda Equina; D006801:Humans; D007405:Intervertebral Disc Displacement / Q000150:complications*; D008159:Lumbar Vertebrae; D008297:Male; D008875:Middle Aged; D009408:Nerve Compression Syndromes / Q000209:etiology; D013115:Spinal Canal; D013122:Spinal Diseases / Q000209:etiology