A Closed Interatrial Septum Aneurysm, Filled with Blood, Mimicking a Tumour in the Right Atrium | Zendy

Isabelle Gi | Zendy

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A Closed Interatrial Septum Aneurysm, Filled with Blood, Mimicking a Tumour in the Right Atrium

Author(s) -

Isabelle Gi

Publication year - 2000

Publication title -

european journal of echocardiography

Language(s) - English

Resource type - Journals

eISSN - 1525-2167

pISSN - 1532-2114

DOI - 10.1053/euje.2000.0046

Subject(s) - interatrial septum , medicine , myxoma , thrombus , aneurysm , cardiology , stenosis , right atrium , left atrium , radiology , atrial fibrillation

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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