Internal Medicine
Online ISSN : 1349-7235
Print ISSN : 0918-2918
ISSN-L : 0918-2918

This article has now been updated. Please use the final version.

Pulmonary Artery Sarcoma Diagnosed Using an Endovascular Catheter Forceps Biopsy
Ryohei Sakai, Kazuyuki Ozaki, Yumi Yamaguchi, Naoki Kubota, Toshiki Takano, Takeshi Okubo, Shinpei Kimura, Makoto Hoyano, Takao Yanagawa, Takeshi Kashimura, Tohru Minamino
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Keywords: pulmonary artery sarcoma, endovascular catheter forceps biopsy
JOURNAL OPEN ACCESS Advance online publication

Article ID: 4738-20

The final version of this article is now available: Vol. 59 (2020), No. 17 pp. 2149-2153
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Abstract

We herein report a case of pulmonary artery sarcoma (PAS) in a 64-year-old woman. She was admitted to our hospital because of massive genital bleeding from endometrial cancer. Contrast-enhanced computed tomography (CT) revealed a left pulmonary artery mass and deep vein thrombosis. She underwent anticoagulant therapy for one year. However, the mass lesion gradually expanded. 18F-Fluorodeoxyglucose (FDG) positron emission tomography (PET)/CT showed a positive uptake of FDG by the mass. An endovascular catheter biopsy was performed for the differentiation of endometrial cancer metastasis or primary sarcoma. The biopsy specimen tissue comprised spindle-shaped cells. Thus, the patient was diagnosed with PAS.

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