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Fibromuscular dysplasia is a nonatherosclerotic vascular disease that most commonly affects cervical carotid arteries at the C1-C2 level when cephalic arteries are involved.Several histopathologic and angiographic subtypes of fibromuscular dysplasia exist;most have a benign natural history.We describe the third reported case of a pathologically proven, symptomatic proximal internal carotid artery web and suggest that patients with this lesion are at a higher risk for stroke. |
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