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Eur J Cardiothorac Surg 2001;20:1049-1051
© 2001 Elsevier Science NL

Case report

Leiomyosarcoma of the pulmonary artery — a diagnostic chameleon

^a Klinik und Poliklinik für Thorax-, Herz- und Gefäßchirurgie, Universitätsklinik Münster, Albert Schweitzer Strasse 33, D-48149 Münster, Germany
^b Institut für Klinische Radiologie-Röntgendiagnostik, Universitätsklinik Münster, Albert Schweitzer Strasse 33, D-48149 Münster, Germany

Received 26 February 2001; received in revised form 20 July 2001; accepted 20 July 2001.

Corresponding author. Tel.: +49-251-834-7401; fax: +49-251-834-8316
e-mail: andreas.hoffmeier{at}thgms.uni-muenster.de

A 60-year-old woman suffered from right-sided pain in the back and dyspnea suspicious for chronic pulmonary thromboembolism. Since computed tomography demonstrated a progressive filling defect within the left pulmonary artery, a transvenous biopsy was taken, which demonstrated malignant sarcoma. The patient underwent left-sided pneumonectomy with the aid of cardiopulmonary bypass. In case of a suspected ‘chronic‘ pulmonary embolism with occlusion of a main pulmonary artery, as may be seen with imaging techniques, a sarcomatous disease should be ruled out, especially if there are no coagulation disorders, and the tumor obliterations progress in serial CT scans despite effective anticoagulation.

Key Words: Leiomyosarcoma • Pulmonary embolism • Pneumonectomy

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