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Carotid intraplaque neovascularization scoring method. Representative contrast-enhanced ultrasound images of carotid plaques. 0, no visible microbubbles within the plaque; 1, minimal microbubbles confined to peri-adventitial areal; 2, microbubbles present throughout the plaque core. The yellow dotted line outlines the plaque lesion. Yellow circles depict intraplaque contrast microbubbles.
