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Case reports

Primary right atrial cardiac osteosarcoma with congestive heart failure

^a Department of Cardiovascular Medicine, Juntendo University, 2-1-1 Hongo, Bunkyo-ku, Tokyo, Japan
^b Department of Cardiovascular Surgery, Juntendo University, Japan

Received 16 October 2008; received in revised form 3 December 2008; accepted 4 December 2008.

^_* Corresponding author. Tel.: +81 3 5802 1056; fax: +81 3 5689 0627. (Email: tomotakadohi{at}msh.biglobe.ne.jp).

Right atrial cardiac osteosarcoma is a rare intracardiac tumor that can be difficult to diagnose. This report describes a 20-year-old man who was referred to our hospital with symptoms of heart failure. Echocardiography revealed a mass adhering to the right arterial septum that extended into the right ventricle and inferior vena cava. Right ventricular failure and worsening symptoms indicated the need for emergency life-saving surgery. Thereafter, the associated symptoms dramatically and rapidly diminished, and two days later the patient had recovered sufficiently to walk unaided. The short-term results of surgical tumor excision were excellent.

Key Words: Cardiac osteosarcoma • Right sided heart failure • Surgical tumor excision