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. 2022 Jan 18;11(3):477. doi: 10.3390/jcm11030477

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© 2022 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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A 75-year-old male with diabetes and dyslipidaemia developed typical chest pain and cCTA was prescribed. Panels (A–D): critical stenosis with high-risk plaque features at proximal RCA. Panels (B,C): cross-section images at most stenotic level (green dotted line). Panels (C) (short axis) and (D) (long axis) with advanced plaque analysis: residual lumen identified with colour green, fibrofatty component (<30 HU) identified with colour blue, fibrotic component (between 30 and 350 HU) identified with colour purple, calcific component (>350 HU) identified with colour yellow. Panel (E): LAD characterised by non-significant calcific disease at proximal segment and deep myocardial bridge at mid segment (yellow arrow). Panels (F,G): ICA showing critical stenosis at proximal RCA (Panel (F)) and deep myocardial bridge at mid LAD (Panel (G), red arrow). cCTA: cardiac computed tomography angiography; RCA: right coronary artery; HU: Hounsfield unit; LAD: left anterior descending; ICA: invasive coronary angiography.