ATRIAL-FLUTTER FOLLOWED BY SICK SINUS SYNDROME AS PRESENTING SYMPTOMSOF B-CELL MALIGNANT NON-HODGKIN-LYMPHOMA INVOLVING THE HEART

A case of non-Hodgkin lymphoma involving the heart is described; the p atient suffered for atrial flutter, followed by sick sinus syndrome fo r one year before diagnosis was made. Although it is not possible to d emonstrate primary cardiac onset, the clinical history is highly sugge stive. Most recent cases described occurred in immunodeficient patient s. Interestingly our patient showed no evidence of immunodeficiency. O ur patient received conventional chemotherapy followed by radiotherapy , obtaining complete remission without complications, and remains in t his condition after a 3-year follow-up. The patient's good condition m ay be responsible for this successful outcome.