Abstract
Dural intracranial arterio-venous fistulas account for 10 to 15% of all intracranial arteriovenous anomalies. They are constituted of arteriovenous communications located inside the intracranial dura-mater of a dural sinus or at its vicinity. They affect adults after the fourth decade. They can be revealed either by benign symptoms such as pulsatile tinnitus for lateral sinus or ophthalmic symptoms for cavernous sinus or by central neurological complications such as intracranial hypertension, intracranial hemorrhage, venous infarctions or myelopathy. Their neurological severity depends on the type of venous drainage, involving only a sinus or a lepto-meningeal vein. Their accurate diagnosis is established only by cerebral angiography. Their usual treatment is endovascular.
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