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Figure 7 Representative examples of the three-dimensional IVUS images and the color mappings of longitudinal stress distribution. The arrows show rupture points. In case 1, the critical thickness of the fibrous cap in terms of rupture was 50 µm (A). However, the thickness in case 2 had to be reduced to <10 µm to reach the critical point in terms of plaque rupture (B). Thus, case 2 seemed to represent a less vulnerable plaque than case 1, although the fibrous cap thickness was the same. (A) Case 1; (B) case 2.
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