Anomalous origin of the right coronary artery from the left anterior descending artery in a patient with single left coronary artery: a rare coronary artery anomaly and review of the literature.

A 44-year-old woman with hypertension was admitted because of recent onset chest pain. Coronary angiography revealed an anomalous right coronary artery originating as a separate branch from the left anterior descending artery. Associated with the present case all published case reports were thoroughly investigated and presented as a review of the literature.