Fig 2.

A, Late phase of right internal carotid arteriogram. There is a large carotid-cavernous fistula with multidirectional venous outflow into the ophthalmic, cortical, petrosal, and pterygoid venous systems.

B, Lateral vertebral arteriogram following proximal balloon occlusion of the right ICA. There is rapid filling of the fistula via the posterior communicating artery.

C, Lateral vertebral arteriogram following proximal balloon occlusion and distal coil embolization of the right ICA, the latter performed via the posterior communicating artery. The fistula is closed.