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(A) Cross section of a rupture-prone coronary artery plaque with a (1) large lipid-rich necrotic core (orange asterisk), (2) thin fibrous cap (blue arrows), (3) expansive remodeling (green arrow), and (4) vasa vasorum and neovascularization (red circles) (adapted from Falk) [4]. (B) Schematic of a vulnerable plaque highlighting the features associated with plaque instability (adapted from Narula) [5].
