A case of adult extralobar pulmonary sequestration showing continuity with pulmonary artery and vein

Kaku Ryosuke, Masumoto Takato, Yoden Makoto, Oshio Mayumi, Hashimoto Masayuki, Sawai Satoru

doi:10.2995/jacsurg.37.118

<p>A 50-year-old woman was incidentally found to have a left lung mass 11 years ago. She was diagnosed with pleural effusion, because the mass shadow was between the lobes and localization of the mass had changed. An abnormal shadow was discovered on a plain chest radiograph during a health checkup. Chest computed tomography (CT) revealed a mass shadow with calcification in the left pulmonary lingual segment. As a solitary fibrous tumor was suspected because of changes in localization of the mass, surgery was performed. The mass was a pedunculated lesion rooted at the pulmonary hilum and it showed no continuity with the normal lung. We found two blood vessels, each communicating with the superior pulmonary vein and pulmonary artery. These abnormal vessels were dissected collectively, and the mass was removed. The resected specimen showed some lung parenchyma. Based on the pathological and intraoperative findings, we diagnosed the patient with extralobar pulmonary sequestration (EPS). EPS with the pulmonary artery serving as the inflow artery and pulmonary vein serving as the return vein is extremely rare, and so we report it.</p>

A case of adult extralobar pulmonary sequestration showing continuity with pulmonary artery and vein

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