Abstract
A 77-year-old woman presented with a transient ischemic attack. Cerebral angiography showed occlusion of the supraclinoid segment of the right internal carotid artery, a persistent trigeminal artery, and an 80% stenosis of the cavernous segment of the internal carotid artery. After deployment of a 3 mm ×13 mm, balloon-expandable stent (Bx SONIC, Cordis, Miami Lakes, Fla), a control angiogram demonstrated a residual stenosis, which remained even after repeated balloon inflation. An underlying calcification was assumed. (Figure, A). Although the patient had remained asymptomatic since initial treatment, the angiographic follow-up after 6 months showed a significant in-stent restenosis (Figure, B). Nonsubtracted images could …
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