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Abstract #2125

Accurate detection of calcified carotid plaques on quantitative susceptibility mapping – A CT validation study

Thanh D Nguyen1, Jingwen Du2, Yan Wen1, Ajay Gupta1, Pascal Spincemaille1, Qi Yang2, and Yi Wang1
1Weill Cornell Medicine, New York, NY, United States, 2Xuanwu Hospital of Capital Medical University, Beijing, China

In this study, we used CT angiography (CTA) as a reference standard to demonstrate that carotid quantitative susceptibility mapping (QSM) provides accurate detection of calcified atherosclerotic plaques in the carotid arteries. Calcification is strongly diamagnetic and appears uniquely hypointense on carotid QSM. Inclusion of QSM in carotid MRI would aid characterization of carotid plaque.

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