As in the coronary artery system, rupture of the atherosclerotic plaque may play an important role in the pathogenesis of ischemic stroke caused by carotid artery stenosis. The process of inflammation, involving foam-cell infiltration of the fibrous cap, may contribute to rupture of the atherosclerotic plaque.
Aneurysms of the visceral arteries are rare but important vascular lesions. Associated aneurysms are common. Because of the risk of rupture, often with a fatal outcome, an aggressive approach to the treatment of VAA is essential.
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