Syringomyelia: the patient who feels no pain.
D006801:Humans; D006987:Hypesthesia / Q000209:etiology; D009431:Neural Conduction; D011712:Pyramidal Tracts / Q000503:physiopathology; D013595:Syringomyelia / Q000150:complications / Q000175:diagnosis / Q000503:physiopathology*