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日本呼吸器学会英文誌 Respiratory Investigation
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Abstract

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Article in Japanese

Case Report

A case of hemothorax due to rupture of non-enhancing pulmonary vascular disease

Joe Okumotoa  Kakuhiro Yamaguchia  Kei Kushitanib  Hiroshi Iwamotoa  Morihito Okadac  Noboru Hattoria 

aDepartment of Respiratory Medicine, Hiroshima University Hospital
bDepartment of Pathology, Graduate School of Biomedical and Health Sciences, Hiroshima University
cDepartment of Pulmonary Surgery, Hiroshima University Hospital

ABSTRACT

A 36-year-old woman complaining of bloody sputum and left-sided chest pain was admitted to our hospital. Dynamic contrast-enhanced chest computed tomography (CT) revealed both a non-enhancing mass in the left upper lobe and pleural effusion. Due to progressive anemia, it was diagnosed as a hemothorax caused by the mass rupturing. The left upper lobe mass was surgically resected and diagnosed as pulmonary vascular disease. Typical CT findings of the pulmonary arteriovenous malformation (i.e., a contrast-enhanced lesion communicating with a dilated pulmonary artery and vein) were not observed. Macroscopic findings revealed a thrombus in the mass. Thrombi might have ablated CT contrast-enhancement in the mass. This case represents a rare diagnosis of a hemothorax caused by non-enhancing pulmonary vascular disease.

KEYWORDS

Pulmonary vascular disease  Hemothorax  Thrombus  Pulmonary arteriovenous malformation 

Received 18 Oct 2019 / Accepted 21 Apr 2020

AJRS, 9(4): 299-303, 2020

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