FIG 2. Patient 4.

A, Cerebral angiogram shows occlusion of the right internal carotid artery (supraclinoid segment, grade 5).

B, Recanalization is observed after administration of thrombolytics and snare maneuver. The filling defect at the junction of the internal carotid and middle cerebral arteries (arrow) indicates the presence of residual thrombus.

C, Reocclusion of the supraclinoid segment of the internal carotid artery is observed after administration of further thrombolytics.

D, Recanalization of the middle cerebral artery after stent placement in the M1 segment of the middle cerebral artery.