Arteriovenous aneurisms of the spinal cord. Observations of 8 cases

After description of the anatomy of spinal circulation, the Authors report some data from the literature concerning the localization, the incidence and the most frequent characteristics of spinal AVM. Afterwards, clinical and neuradiological features of the diagnosis of this type of malformation are reported from their experience on 8 patients directly observed. 6 out of the 8 patients were operated upon: decompressive laminectomy was performed on 4 of them; in 2 cases spinal AVM was completely removed with clear improvement.