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Figure 4 Intravascular ultrasound (IVUS) versus ocular coherence tomography (OCT) comparison (smooth muscle proliferation). (A) An IVUS image (30 MHz) of an in vitro aortic plaque. In the OCT image (B), in addition to the plaque on the left, a layer of smooth muscle proliferation is seen (red arrow). The smooth muscle proliferation is confirmed by the histopathology (C). The bar in the OCT image is 500 µm. Reprinted, with permission, from Brezinski et al. (8).
