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  • Title: [Pryce type I interlobar pulmonary sequestration with anomalous return to the left inferior pulmonary vein].
    Author: Hirata M, Gima M, Yoneda S, Kajita Y, Fujita Y, Shiota K, Ii Y, Tanimukai S, Nakaji K, Miyauchi T.
    Journal: Nihon Kokyuki Gakkai Zasshi; 1998 Oct; 36(10):875-80. PubMed ID: 9893430.
    Abstract:
    A 50-year-old woman was examined because of chest discomfort. Chest X-ray films disclosed a tumorous shadow behind the heart. Chest computed tomography (CT) scans revealed a mass connected to the descending aorta, with increased blood flow in the left basal segment. The patient was admitted for further examination. Chest CT scans and cardioscintigrams were very useful as diagnostic tools, but the final diagnosis was made on the basis of angiography. An anomalous tortuous artery ran from the descending aorta into the left basal segment and returned to the left inferior pulmonary vein. The left pulmonary arterial trunk had no basal branch (A8-A10). A loop corresponding to the superior vein (V6) ran beneath the anomalous tortuous artery. To our knowledge, this is the second case of Pryce type-I interlobar pulmonary sequestration with anomalous return to the left inferior pulmonary vein to be reported in Japan. A left inferior lobectomy was performed. Histological finding from the excised tissues showed prominent interstitial fibrosis, atypical adenomatous hyperplasia, and atherosclerosis. Following surgery, the patient's PaO2 increased from 80.4 Torr to 95.8 Torr, suggesting that left inferior lobectomy was an appropriate treatment.
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