Fig 2. A, Right external carotid angiography demonstrates supply to the fistula via an enlarged posterior division of the middle meningeal artery.

B, Lateral digital subtraction angiogram (DSA) of left external carotid artery shows venous outlet of dural arteriovenous fistula in the region of the vein of Galen. Proximal collecting pouch is cephalad to the vein of Galen. A venous varix is present downstream from the proximal collecting pouch.

C, Lateral DSA with microcatheter placed via the right middle meningeal artery into the proximal collecting pouch.

D, Final control DSA showing coil position and occlusion of the fistula.