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A 60-year-old female patient presented with dysarthria and right arm weakness of 20 days duration.
A. The anterioposterior view of the left internal carotid arteriogram shows a severe stenosis of the horizontal segment of the left middle cerebral artery.
B. The flow improves after angioplasty.
C. MR angiogram obtained 68 months later reveals good patency of the horizontal segment of the left middle cerebral artery. She had no symptom recurrence and no residual symptoms.
