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Chirurgia 2006 August;19(4):315-8

Copyright © 2006 EDIZIONI MINERVA MEDICA

language: English

Pulmonary infarction presenting as a mass shadow with cerebral arteriovenous malformation

Kuwahara M. 1, Motohiro A. 2, Inutsuka K. 1, Shirakusa T. 1

1 Department of Second Surgery Fukuoka University School of Medicine, Fukuoka, Japan 2 Division of Surgery Fukuoka National Hospital, Fukuoka, Japan


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We report a case of pulmonary infarction in a male in his fifties who was referred for an asymptomatic mass lesion 3.2 cm in diameter at the right S10. Chest computed tomography revealed a solitary subpleural mass with spiculae at the right S10. Head computed tomography findings showed a cerebral infarction in the left temporal portion. Thoracoscopic surgery was performed to obtain a histological diagnosis of the lung lesion. Macrosco-pically, the tumor was dark purple in color and the cut central portion was gray, indicating bloody retention in the lung. Pseudotumor due to pulmonary infarction was diagnosed histologically. Postoperatively, perfusion lung scintigraphy showed a defect at right S6. Laboratory tests for hypercoagulability, cardiovascular systems and collagenosis showed nothing unusual. Cerebral arteriovenous malformation associated with cerebral infarction was diagnosed by head magnetic resonance imaging and angiography. We concluded that this was a case of pulmonary infarction accompanied by cerebral arteriovenous malformation.

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