No shinkei geka. Neurological surgery
-
Review Case Reports
[Multiple dural arteriovenous fistulas involving both the cavernous sinus and the posterior fossa: report of two cases and review of the literature].
Multiple dural arteriovenous fistulas (DAVFs) are rare, accounting for 7% of all intracranial DAVFs. The authors describe two cases of multiple DAVFs involving both the cavernous sinus and the posterior fossa. The first patient was a 45-year-old man who presented with visual disturbance, chemosis, exophthalmus, and tinnitus. ⋯ Preexisting cavernous sinus DAVFs induce sinus thrombosis and/or venous hypertension, which results in the formation of multiple lesions. A third possibility is that they are due to other factors, including increased angiogenic activity and some technical problems associated with TVE. Our review indicates that careful follow-up for several years should be made after treatment of cavernous DAVFs.