BACKGROUND AND PURPOSE: DAVFs rarely involve the sphenoid wings and middle cranial fossa. We characterize the angiographic findings, treatment, and outcome of DAVFs within the sphenoid wings.
Clival DAVFs can be misdiagnosed as dural cavernous sinus fistulae. The best treatment is transarterial embolization of the dural feeders using liquid embolic agents. Transvenous occlusion of the cavernous sinus is unnecessary in most cases.
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