====== Spinal cord vascular malformation ====== ====Classification==== neoplastic vascular lesions hemangioblastoma cavernous malformation spinal aneurysms arteriovenous fistulas extradural intradural ventral dorsal AVMs extradural–intradural intradural [[Spinal intramedullary arteriovenous malformation]]. compact diffuse conus medullaris ((Spetzler RF, Detwiler PW, Riina HA, Porter RW. Modified classification of spinal cord vascular lesions. J Neurosurg. 2002 Mar;96(2 Suppl):145-56. Review. PubMed PMID: 12450276. ))