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Case Reports
. 2000 Dec;1(4):289-90.
doi: 10.1053/euje.2000.0046.

A closed interatrial septum aneurysm, filled with blood, mimicking a tumour in the right atrium

I Ginon  1 , C Mestrallet, M Barthelet, J Robin, X André-Fouët
Affiliations
Case Reports

A closed interatrial septum aneurysm, filled with blood, mimicking a tumour in the right atrium

I Ginon et al. Eur J Echocardiogr. 2000 Dec.

Abstract

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.

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