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A dual left anterior descending (LAD) artery is a rare congenital anomaly which is classified into different types based on the origin, course and termination of the short and long LAD arteries. To date, 10 variants of dual LAD artery anomalies have been described. We report a 44-year-old woman who was referred to the Department of Radiology, Royal Hospital, Muscat, Oman, in 2017. Coronary computed tomography angiography revealed a dual LAD artery anomaly in which the short and long LAD arteries shared a common ostium with the right coronary artery from the right coronary sinus. To the best of the authors’ knowledge, this type of variant has not been previously reported in the literature.

Keywords: Coronary Angiography; Congenital Abnormality; Coronary Vessel Anomalies; Case Report; Oman.

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Al-Umairi, R. S., Al-Kindi, F. A., & Al-Tai, S. A. (2018). A New Variant of Dual Left Anterior Descending Artery Anomaly: Type XI. Sultan Qaboos University Medical Journal, 18(3), e386–388.

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