Arteriovenous malformations of the spinal cord.

Spinal AVM's are not rare, and are diagnosed today with increasing frequency by utilization of moedern neuroradiological techniques. Their relationship to the spinal medulla is related to vascular embryological anatomy, and the only effective treatment is directed at obliteration of the fistula. Males are affected more frequently in the middle years of life. Symptoms may mimic spinal cord tumors and demyelinating disorders. The pathogenesis of symptoms, classification, and methods of diagnosis are reviewed, and the various methods of treatment discussed.