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. 2014 Sep;11(3):259–273. doi: 10.11909/j.issn.1671-5411.2014.03.005

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Institute of Geriatric Cardiology

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Figure 2. — (A): invasive coronary angiography shows significant lumen stenosis (arrow) at the proximal segment of left anterior descending coronary artery, but fails to demonstrate the plaque components; (B): coronary CT angiography clearly shows significant lumen stenosis due to presence of a non-calcified plaque (arrow).