Giant myxoma causing right ventricular outflow tract obstruction |
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Authors: | Tsang Flora H F Cheng L C |
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Institution: | Division of Cardiothoracic Surgery, Department of Surgery, The University of Hong Kong, Queen Mary Hospital, Pokfulam, Hong Kong. floratsang_hk@yahoo.com |
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Abstract: | Atrial cardiac myxoma is the most common benign cardiac tumour. Atrial myxoma most commonly arises from the left atrium and, less frequently, from the right atrium or both ventricles. Cardiac myxoma arising from the tricuspid valve is rare. These tumours can present with right heart failure as a result of right ventricular outflow tract obstruction. A high index of suspicion and appropriate investigations are necessary for making the correct diagnosis. Fatal complications such as embolisation and obstruction of the outflow tract and other intracardiac structures make prompt surgical intervention necessary. We report on a patient with a rare type of giant myxoma arising from the tricuspid valve. He underwent successful operation with en-bloc removal of the tumour, while preserving the integrity of the tricuspid valve. |
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