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Updated: May 29, 2026
Simultaneous Brightfield, Fluorescence, and Optical Coherence Tomographic Imaging of Contracting Cardiac Trabeculae Ex Vivo
Published on: October 2, 2021
Three-dimensional imaging of fibrous cap by frequency-domain optical coherence tomography
Hiram G Bezerra1, Guilherme F Attizzani, Marco A Costa
1Case Western Reserve University, Cleveland, OH, USA.
Abstract:
Histopathological data correlated the presence of thin-cap fibroatheroma (TCFA) with adverse cardiovascular events. Intravascular optical coherence tomography (iOCT) is currently the only imaging modality with sufficiently high axial resolution (∼15 μm) that allows direct fibrous-cap (FC) assessment in vivo. iOCT quantification of TCFA has been validated, but the assessment of a single cross-sectional image does not depict the complexity of the atherosclerotic plaque. We present two cases that illustrate the importance of three-dimensional volumetric quantification of the FC capitalizing on the properties of frequency-domain iOCT.
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