A left main coronary artery arising from the pulmonary artery. Case report.

Anomalous origin of the left coronary artery from the pulmonary artery is a rare congenitial heart disease. Most patients are diagnosed shortly after birth but occasionally the anomaly is diagnosed in teenagers or adults. Prognos is dismal without operation. We describe the first case diagnosed and treated in Iceland. The patient, an asymptomatic 14 year old boy, underwent both the socalled Takeuchi's tunnel plastic and a coronary bypass operation.