Single coronary artery with high aortic take-off-a rare coronary anomaly

Description

High take-off of coronary arteries refers to the origin of coronary arteries >1 cm above the sinotubular junction.1 Its prevalence in general population is estimated to be 0.20%.1 Some consider it to be benign, while others have reported it to be associated with ischaemia, myocardial infarction, syncope and sudden cardiac death.1 Similarly, single coronary artery is a rare coronary anomaly, where only one coronary artery originates from the single ostium from the aorta and supplies the entire heart. Its incidence varies between 0.0024% and 0.066% in those undergoing coronary angiography.2 It is extremely rare to find a single coronary artery with a high aortic take-off from the aorta, with only a few case reports available previously.3

A 65-year-old man with diabetes presented with a history of chronic stable angina and a positive exercise stress test at low threshold. During his diagnostic...

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