FIG 4. Left ICA angiogram (anterior projection) following left M2 segment balloon angioplasty (arrow). The focal stenosis was reduced to approximately 55%, with no evidence of vessel dissection, perforation, or thrombus formation.FIG 5. Head CT 2 hours following angioplasty, at the time of acute-onset right hemiparesis and aphasia. A massive left frontal intraparenchymal hemorrhage is seen with subfalcine herniation