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Coronary Conundrum: Anomalous Pan-Coronary Origin from the Right Sinus with a “Type X” Dual LAD Cover

Coronary Conundrum: Anomalous Pan-Coronary Origin from the Right Sinus with a “Type X” Dual LAD

Open Access
|Mar 2026

Figures & Tables

Figure 1

(A, B) Selective cannulation of the right coronary artery (RCA) (red arrow) with partial filling of the left anterior descending artery (LAD) (orange arrow) and left circumflex artery (LCx) (yellow arrow) seen originating from the right sinus. (C) Blunt stump of the second LAD (green arrow), which originates from the left sinus. (D) Right anterior oblique cranial view of the LAD from the left sinus (green arrow) after deployment of stent. (E, F) Cardiac computed tomography angiography shows the origin of the RCA (red arrow), LAD (orange arrow), and LCx (yellow arrow) from the right coronary sinus as well as the second LAD from the left coronary sinus (green arrow).

DOI: https://doi.org/10.14797/mdcvj.1775 | Journal eISSN: 1947-6108
Language: English
Page range: 19 - 21
Submitted on: Dec 23, 2025
Accepted on: Jan 23, 2026
Published on: Mar 4, 2026
Published by: Houston Methodist DeBakey Heart & Vascular Center
In partnership with: Paradigm Publishing Services

© 2026 J Abhinand, Anil Kumar Choudhary, Neeraj Rao, Shrividya Rao, Devesh Kumar, published by Houston Methodist DeBakey Heart & Vascular Center
This work is licensed under the Creative Commons Attribution-NonCommercial 4.0 License.