Invasive Development of Right Atrial Myxoma— A Case Report

Masaru Nakayama, Kiyoshi Matsumura, Isao Abe, Ryuichiro Kaku, Kazuo Kobayashi, Masatoshi Fujishima, Hidetoshi Aso, Koichi Tokunaga, Yutaka Ishii

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

A thirty-nine-year-old man was admitted to the authors’ department com plaining of exertional dyspnea and high fever. An echocardiogram showed a mass in the right atrium, which was observed to move to the right atrium during the systolic phase and to the right ventricle during the diastolic phase. Magnetic resonance imaging showed that the mass developed from the right atrium to the superior vena cava. Intravenous digital subtraction angiography also showed a partial defect of the right atrium as well as obstructions of both the superior vena cava and the bilateral innominate veins. A pulmonary hemodynamic scin tigram showed multiple defects at the mid and inferior areas of each lung, sug gesting multiple pulmonary infarctions. The right atrial tumor was surgically removed. The superior vena cava and the innominate veins were found to be obstructed by organized thrombi, and the tumor had invasively grown into the right atrial wall. Histologic findings demonstrated that most of the tumor was composed of organized thrombi with scattered myxomatous tissue and was di agnosed as cardiac myxoma. These histologic findings suggest that the histogen esis of this right atrial myxoma might be thrombogenic.

Original languageEnglish
Pages (from-to)739-744
Number of pages6
JournalAngiology
Volume44
Issue number9
DOIs
Publication statusPublished - Jan 1 1993

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Myxoma
Heart Atria
Brachiocephalic Veins
Superior Vena Cava
Thrombosis
Pulmonary Infarction
Superior Vena Cava Syndrome
Neoplasms
Lung
Digital Subtraction Angiography
Dyspnea
Heart Ventricles
Fever
Hemodynamics
Magnetic Resonance Imaging

All Science Journal Classification (ASJC) codes

  • Cardiology and Cardiovascular Medicine

Cite this

Nakayama, M., Matsumura, K., Abe, I., Kaku, R., Kobayashi, K., Fujishima, M., ... Ishii, Y. (1993). Invasive Development of Right Atrial Myxoma— A Case Report. Angiology, 44(9), 739-744. https://doi.org/10.1177/000331979304400912

Invasive Development of Right Atrial Myxoma— A Case Report. / Nakayama, Masaru; Matsumura, Kiyoshi; Abe, Isao; Kaku, Ryuichiro; Kobayashi, Kazuo; Fujishima, Masatoshi; Aso, Hidetoshi; Tokunaga, Koichi; Ishii, Yutaka.

In: Angiology, Vol. 44, No. 9, 01.01.1993, p. 739-744.

Research output: Contribution to journalArticle

Nakayama, M, Matsumura, K, Abe, I, Kaku, R, Kobayashi, K, Fujishima, M, Aso, H, Tokunaga, K & Ishii, Y 1993, 'Invasive Development of Right Atrial Myxoma— A Case Report', Angiology, vol. 44, no. 9, pp. 739-744. https://doi.org/10.1177/000331979304400912
Nakayama M, Matsumura K, Abe I, Kaku R, Kobayashi K, Fujishima M et al. Invasive Development of Right Atrial Myxoma— A Case Report. Angiology. 1993 Jan 1;44(9):739-744. https://doi.org/10.1177/000331979304400912
Nakayama, Masaru ; Matsumura, Kiyoshi ; Abe, Isao ; Kaku, Ryuichiro ; Kobayashi, Kazuo ; Fujishima, Masatoshi ; Aso, Hidetoshi ; Tokunaga, Koichi ; Ishii, Yutaka. / Invasive Development of Right Atrial Myxoma— A Case Report. In: Angiology. 1993 ; Vol. 44, No. 9. pp. 739-744.
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