Coronary artery anomalies: Anomalous origin of the left coronary artery and circumflex branch in two patients.

Coronary anomalies may be isolated defects or accompany congenital malformations of the heart. The determination of these anomalies is important in the treatment approach and the surgical procedure in bypass and valve surgery. The present article reports on clinical and angiographic findings in two patients with coronary artery anomalies -one patient with an anomalous origin of the left coronary artery from the right aortic sinus, and another patient with an anomalous origin of the circumflex branch of the left coronary artery from the right coronary artery.