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  • Title: Isolated Anomalous Origin of Left Pulmonary Artery From the Descending Aorta: An Embryologic Ambiguity.
    Author: Gnanappa GK, Laohachai K, Orr Y, Ayer J.
    Journal: Ann Thorac Surg; 2016 Nov; 102(5):e439-e441. PubMed ID: 27772603.
    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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