Abstract
Although treatment guidelines are well established for symptomatic patients with greater than 69% carotid stenosis on catheter angiography, optimal management of lower degrees of stenosis remain unclear. Vessel wall MR imaging of the carotid arteries has proved helpful in the evaluation of plaque burden and vulnerable plaque characteristics, and in stratifying risk in low-grade carotid stenosis. This article discusses the pathophysiology and imaging of atherosclerotic plaques resulting in low-grade carotid stenosis, and the corresponding stroke risk and association with plaque elsewhere in the cardiovascular system.
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