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October 27, 1962

Systemic Arterial Blood Supply to a Normal Lung

Author Affiliations

Lackland Air Force Base, Tex.

JAMA. 1962;182(4):497-499. doi:10.1001/jama.1962.03050430171028b

THE LITERATURE contains numerous reports of anomalous pulmonary arteries from the systemic circulation that supplies abnormal pulmonary tissue. For a long time it has been recognized that systemic arteries may supply normal lung. However, the majority of the more recent reports describe only systemic arteries which supply sequestered lobes or segments or those in which frank pulmonary suppurative disease exists. When the pulmonary parenchyma which the systemic artery supplies has been the seat of suppuration, it is difficult to determine whether the systemic artery constitutes a true congenital anomaly or a hypertrophy of the bronchial arterial supply caused by the inflammatory reaction. Troublesome bleeding, and even deaths, have been associated with the division of some of these arteries. In 1947, Pryce, Sellors, and Blair stated that anomalous arteries were reported more often than sequestrations. They classified these arteries into 3 types: Type 1, an abnormal artery (systemic) to normal lung;

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