Abstract
A case of malignant lymphoma with Adams-Stokes attack which was the first manifestation was reported. A 56-year-old female admitted our institute because of unconciousness attack. After implantation of pacemaker she had high fever and abdominal mass. Ga scintigraphy revealed many accumulation on the hepatic hilus and the heart. Abdominal Computed Tomography and echography revealed abnormal mass in the hepatic hilus. The biopsy of this abnormal mass was performed. The histological examination of this specimen showed diffuse middle sized type malignant lymphoma.