Abstract
The single coronary artery, anomalous origin of the right coronary artery from the left anterior descending artery, is a benign and very rare coronary artery anomaly. We firstly present a case with this type of single coronary artery and congenital pulmonary valvular stenosis with large poststenotic dilatation.
Highlights
The term single coronary artery defines coronary arteries originating from a single coronary ostium in the aorta
We firstly reported a patient with a single coronary artery, in whom the right coronary artery (RCA) originated from the proximal of the left anterior descending artery (LAD) with congenital pulmonary valvular stenosis and poststenotic large pulmonary artery (PA) dilatation
According to our knowledge, the current case is the first report with RCA originating from the LAD artery and with congenital pulmonary valvular stenosis and large poststenotic dilatation
Summary
The term single coronary artery defines coronary arteries originating from a single coronary ostium in the aorta. A type of single coronary artery, right coronary artery (RCA) originating from the left anterior descending artery (LAD), is an extremely rare coronary artery abnormality (incidence 0.024%) [1]. Most of the these reported cases have been in structurally normal hearts [2]. Aneurysms of the pulmonary trunk are rare lesions. Poststenotic dilatation secondary to pulmonary stenosis is quite common, but it rarely progresses to an aneurysm. We firstly reported a patient with a single coronary artery, in whom the RCA originated from the proximal of the LAD with congenital pulmonary valvular stenosis and poststenotic large pulmonary artery (PA) dilatation
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