Primary Cardiac Angiosarcoma of the Right Atrium Undiagnosed by Transvenous Endocardial TYimor Biopsy

Ryo NITTA; Yasunari SAKOMURA; Kyoumi TANIMOTO; Tomoaki HIDAI; Hiroshi KASANUKI; Shigeyuki AOMI; Toshio NISHIKAWA

doi:10.2169/internalmedicine.37.1023

Ryo NITTA, Yasunari SAKOMURA, Kyoumi TANIMOTO, Tomoaki HIDAI, Hiroshi KASANUKI, Shigeyuki AOMI, Toshio NISHIKAWA

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Keywords: cardiac tumor, transesophageal echocardiography

JOURNAL FREE ACCESS

1998 Volume 37 Issue 12 Pages 1023-1026

DOI https://doi.org/10.2169/internalmedicine.37.1023

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Abstract

A 50-year-old man was admitted with acute pericarditis. Echocardiography demonstrated a large mass on the right atrial free wall along with a pericardial effusion. We performed transvenous biopsy of this mass under transesophageal echocardiographic guidance. Though the biotome obtained the mass, the pathological findings were of organized thrombus. Two weeks later, a new precordial mass appeared around the left third rib and was suspected to be a metastasis. Incisional biopsy of this mass gave the diagnosis of angiosarcoma.
(Internal Medicine 37: 1023-1026, 1998)

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