Thin-cap fibroatheroma

Representative images of a thin-cap fibroatheroma, stained by hematoxylin and eosin, Movat pentachrome, and antibody against CD68 (recognition of lesional macrophages). Low-power views show prominent necrotic cores and overlying thin fibrous caps; the boxed areas represent the corresponding high-power views below. The thin fibrous cap is infiltrated by macrophages.