1. Quantitative optical coherence tomography tissue-type imaging for lipid-core plaque detection

    Quantitative optical coherence tomography tissue-type imaging for lipid-core plaque detection

    Comparison Between OCT Attenuation Imaging and NIRS for 3 Sites (A) NIRS/IVUS images; (B) OCT and (C) Attenuation coefficient analyzed from the OCT data (color coded 0–12 mm-1). Scale bars are 1 mm. Site 1 (refer to Fig. 1 ): a mixed lesion contains calcifications (bright echos on IVUS with dorsal shadowing; 3–5 o'clock) and lipid-rich tissue (5–10 o'clock). High attenuation (red-orange-yellow) in the plaque (white arrow) coincides with the yellow in the NIRS data. The calcification (marked by c) identified on IVUS and OCT has low attenuation (blue) . Site 2: an eccentric lipid-core plaque ...

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