title: Cardiac tamponade and paroxysmal third-degree atrioventricular block revealing a primary cardiac non-Hodgkin large B-cell lymphoma of the right ventricle: a case report.
abstract: BACKGROUND
  Primary cardiac lymphoma is rare.
  
  
  METHODS
  We report the case of a 64-year-old non-immunodeficient Caucasian man, with cardiac tamponade and paroxysmal third-degree atrioventricular block. Echocardiography revealed the presence of a large pericardial effusion with signs of tamponade and a right ventricular mass was suspected. Scanner investigations clarified the sites, extension and anatomic details of myocardial and pericardial infiltration. Surgical resection was performed due to the rapid impairment of his cardiac function. Analysis of the pericardial fluid and histology confirmed the diagnosis of non-Hodgkin large B-cell lymphoma. He was treated with chemotherapy.
  
  
  CONCLUSIONS
  The prognosis remains poor for this type of tumor due to delays in diagnosis and the importance of the site of disease.
authors: Cardiology Department, Hédi Chaker Hospital and Sfax Medical University, 3029 Sfax, Tunisia. leilaabidt@yahoo.fr.
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