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Figure 2 Example of Plaque Composition on MSCT and VH IVUS
(A) Noncalcified plaque with corresponding transversal section. On VH IVUS, plaque containing predominantly fibrous and fibro-fatty tissues is demonstrated. (B) Mixed plaque with corresponding transversal section, showing the features of thin-cap fibroatheroma on VH IVUS. (C) Calcified plaque with corresponding transversal section demonstrating circular pattern of calcium accumulation. The corresponding VH IVUS image confirms the circular deposition of dense calcium in the plaque. Noncalcified tissue located behind the calcium is depicted, which is not visible on the MSCT images due to the partial volume effect of extensive calcifications. MSCT = multislice computed tomography; other abbreviation as in Figure 1.
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