The following entities have been listed as spinal vascular malformations: hemangioblastomas, cavernous malformations/angiomas, spinal aneurysms, arteriovenous fistulas, and arteriovenous malformations. With regard to vascular lesions of the vertebral bodies, aneurysmal bone cysts and vertebral hemangiomas can also be mentioned. Many different classification schemes have been suggested over the past three decades. The newest proposed classification for spinal vascular lesions is by Spetzler et al.1 We will list the most prevalent classification scheme for arteriovenous fistulas and malformations along with the new classification and the angiographic/ anatomical classification (Table 16.1).
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