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There was no difference between plaques removed from asymptomatic and symptomatic patients with regard to the presence and volume of fibrous intimal tissue,intraplaque hemorrhage,the lipid core,the necrotic core,or calcification.In patients with highly stenotic carotid lesions who are undergoing carotid endarterectomy,gross plaque composition is similar regardless of preoperative symptom status.Given this similarity,it is unlikely that differences in the volume of intraplaque hemorrhage,lipid core,necrotic core,or calcification in atherosclerotic carotid plaques explain their embolic history. |
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