Massive Primary Cardiac Malignant Lymphoma found by Occurrence of Cardiogenic Cerebral Embolism

A previously healthy 73-year-old woman was admitted to hospital for sudden left hemiplegia, and an electrocardiogramshowed transient atrial fibrillation. Transthoracic and transesophageal echocardiography,chest computed tomography, magnetic resonance imaging and 18F-fluorodeoxyglucose positron emission tomographyled to diagnosis of a giant right atrial tumor infiltrating the right ventricle. A cardiac tumor wasfound upon occurrence of cardiogenic cerebral embolism induced by paroxysmal atrial fibrillation. Transvenousatrial tumor biopsy gave a definite diagnosis of Burkitt-like diffuse large B-cell lymphoma, whichwas improved by THP-COP therapy consisting of cyclophosphamide, pirarubicin, vincristine and prednisolone.Our case shows that early diagnosis and prompt treatment of progressive cardiac lymphoma are important