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Figure 1 (A) Angioscopic image of the left anterior descending artery in a patient with acute myocardial infarction demonstrating yellow plaque. (B,C,D) Intravascular ultrasound images at the same lesion as A demonstrating compensatory enlargement. (B) At the proximal reference site, external elastic membrane (EEM) cross-sectional area (CSA) was 11.8 mm². (C) At the culprit lesion, EEM CSA was 13.5 mm². (D) At the distal reference site, EEM CSA was 9.6 mm². The remodeling ratio (RR) was 1.26. (E) Angioscopic image of the left anterior descending artery in a patient with stable angina demonstrating white plaque. (F,G,H) Intravascular ultrasound images at the same lesion as E demonstrating paradoxical shrinkage. (F) At the proximal reference site, EEM CSA was 17.1 mm². (G) At the culprit lesion, EEM CSA was 10.1 mm². (H) At the distal reference site, EEM CSA was 15.3 mm². The RR was 0.62.

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