Transvenous Embolization of a Dural Arteriovenous Fistula of the Anterior Cranial Fossa: Preliminary Results.

fistula of the anterior cranial fossa, one causing subarach-noid hemorrhage and one detected accidentally. The first case was incompletely treated by neurosurgery, and the second one was referred for endovascular therapy. Both fistulas were successfully occluded by transvenous emboli-zation by using electrolytically detachable coils. Intracranial (ie, subarachnoid, intracerebral, or subdural) hemorrhage represents approximately 65 % of the clinical spectrum of dural arteriovenous fistulas (AVFs) of the anterior cranial fossa. These fistulas are therefore unanimously considered to be aggressive and call for radical curative treatment. The transfrontal or interhemispheric approach with disconnection of the arterial and venous structures at the fistula site has been very successful, but car-ries the risks inherent to frontal craniotomy. We report two cases of dural AVFs of the ante-rior cranial fossa that were successfully occluded by transvenous embolization of the draining fistula vein with Guglielmi detachable coils (GDCs). Case Report