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Serial cerebral angiography. (A) The initial angiography reveals severe stenosis of the right cervical ICA. (B) Reocclusion of the right ICA 20 minutes after initial angiography. (C) After intra-arterial tirofiban infusion, the occluded right ICA is recanalized and severe stenosis remains. (D) Final angiography after carotid stent insertion shows no stenosis of the right ICA. ICA, internal carotid artery.
