PMC8086655_01
Right coronary artery (RCA) with previously placed drug eluting stent (arrow). Mid-RCA lesion with associated haziness (arrowhead) and corresponding frames from optical coherence tomography (OCT) pullback (1-3) showing plaque rupture and ruptured cavity (*). On OCT minimal luminal area at the culprit site was 3.3 mm2 and area stenosis 27%. On quantitative coronary angiography minimal luminal diameter was 1.6 mm and degree of stenosis 44%.
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Left coronary arteries were normal, a patent DES (Fig. 1, arrow) in the proximal RCA, but a hazy-appearing region (Fig. 1, arrowhead) in the mid-RCA was noted. This revealed a ruptured plaque with a rupture cavity (Fig. 1, asterisk) at the site of interest (Fig. 1, segments 1-3).