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Case Reports
. 2016 Nov;102(5):e439-e441.
doi: 10.1016/j.athoracsur.2016.04.089.

Isolated Anomalous Origin of Left Pulmonary Artery From the Descending Aorta: An Embryologic Ambiguity

Ganesh Kumar Gnanappa  1 , Karina Laohachai  2 , Yishay Orr  2 , Julian Ayer  2
Affiliations
Case Reports

Isolated Anomalous Origin of Left Pulmonary Artery From the Descending Aorta: An Embryologic Ambiguity

Ganesh Kumar Gnanappa et al. Ann Thorac Surg. 2016 Nov.

Abstract

Anomalous origin of a branch pulmonary artery from the aorta is a rare malformation, accounting for 0.12% of all congenital heart defects. Anomalous origin of the left pulmonary artery from the aorta (ALPA) constitutes a small proportion of these cases. ALPA has been reported to arise from the ascending aorta with various embryologic postulates. We report a case of isolated ALPA arising from the descending aorta in association with a patent ductus arteriosus, to emphasize its embryologic ambiguity.

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