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A patient with chronic dyspnea and episodes of paroxysmal atrial fibrillation in the presence of a right atrial mass
  • Georgios Papaetis,
  • Andreas Andreou,
  • Stylianos Karvounaris
Georgios Papaetis
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Andreas Andreou
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Stylianos Karvounaris
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Abstract

Lipomatous Hypertrophy of the Interatrial Septum (LHIS) is an unusual condition that can be presented as a mass-like bulge that typical spares of the fossa ovalis. We describe a 73-year-old overweight woman with dyspnea on exertion and two episodes of paroxysmal atrial fibrillation for the last eight months. A big sessile mass was detected in the interatrial septum measuring 3.7 x 4.7cm during transesophageal echocardiography. The patient underwent resection of the mass and pericardial patch reconstruction of the defect with significant improvement of her clinical status during the follow-up period. The histopathological analysis suggested LHIS.