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Dural arteriovenous fistulas (DAVF) are rare acquired lesions resulting from abnormal shunting between intracranial dural arteries and venous system. Typically arising from structural weakness of the dura and a coinciding trigger factor, DAVFs can present with similar clinical and imaging characteristics to sinus thrombosis. A 61-year-old male with a history of meningioma previously managed with subtotal resection and stereotactic radiosurgery presented with progressive right-sided vision loss and bilateral papilledema. Initial imaging suggested possible sinus occlusion. Catheter angiogram revealed a Borden-Shucart grade III DAVF of the superior sagittal sinus and elevated venous pressures and the patient subsequently underwent endovascular transarterial intervention twice. We report on the first case of a superior sagittal sinus DAVF occurring after surgical resection of a parasagittal meningioma.

Superior sagittal sinus dural arteriovenous fistula caused by treatment of meningioma masquerades as sinus thrombosis