We report the case of a 70-year-old woman with rheumatic mitral stenosis and a transient ischaemic attack. Transoesophageal echocardiography revealed a cystic mass in the right atrium, hanging to the interatrial septum by a pedicle, not circulating. The mass was heterogeneous and suggested a tumour (myxoma) or a thrombus. Surgical resection showed it was an interatrial septal aneurysm, closed on itself, filled with blood. The usual causes of cardiac tumours and pathogeny of large interatrial aneurysms are discussed. © 2000 The European Society of Cardiology.
CITATION STYLE
Ginon, I., Mestrallet, C., Barthelet, M., Robin, J., & André-Fouët, X. (2000). A Closed Interatrial Septum Aneurysm, Filled with Blood, Mimicking a Tumour in the Right Atrium. European Journal of Echocardiography, 1(4), 289–290. https://doi.org/10.1053/euje.2000.0046
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