BMJ Case Reports 2012; doi:10.1136/bcr.12.2011.5277
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Pleomorphic high-grade sarcoma of the heart mimicking cardiac myxoma

  1. Stefan Gattenlöhner1
  1. 1University of Giessen, Institute of Pathology, Giessen, Germany
  2. 2University of Giessen, Department of Thoracic and Heart Surgery, Giessen, Germany
  1. Correspondence to Professor Stefan Gattenlöhner, stefan.gattenloehner{at}


A 22-year-old male patient with no significant previous medical history presented with fatigue, dyspnoea, palpitations and signs of upper inflow tract congestion. Echocardiography (figure 1a) and CT revealed a mass of 4×6 cm (*) in the left atrium which prolapsed into the left ventricle during diastole and displayed radiological and ultrasonographic traits of an atrial myxoma (sharp borders, pedunculated appearance, mobility during cardiac cycle, localisation in left atrium, lack of detectable infiltration into cardiac/pericardiac structures). Histopathological examination of the surgically excised mass revealed a myxoid …

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