| Abstract | | Anomalous origin of the left pulmonary artery in tetralogy of Fallot was diagmosed in a 4-year-old boy by cardiac catherization. Corrective surgery was performed. The child died immediately following the surgical procedure.Postmortem examination revealed obstructive pulmonary vascular disease of the left lung and normal histology of right lung vessels. Early recognition and surgical correction of the anomaly is important with the view to preventing obstructive pulmonary vascular disease. This paper deals with a case of Fallot's tetralogy in which the left pulmonary artery originated from the ascending aorta. An early diagnosis is of utmost importance as therwise progressive pulmonary vascular disease may result in fatal outcome.
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