Dementia caused by dural arteriovenous fistulas reversed following endovascular therapy
2012
Dural arteriovenous fistula (dAVF) is an acquired lesion that develops following dural sinus thrombosis and subsequent recanalization of the sinus leading to a direct communication between small sinus wall arteries and the sinus lumen. dAVFs represent 10% to 15% of all cerebrovascular malformations and may result in an array of signs and symptoms. The most common presentation is pulsatile tinnitus, headaches, focal neurological deficit, and visual disturbances. We report two cases in which the patients presented with dementia-type symptoms and were found to have dAVFs.
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