[Virus-associated hemophagocytic syndrome due to EB virus].

A 30-year-old man was admitted to our hospital because of fever and cervical lymphadenopathy. Hematological examination revealed leukocytosis with atypical lymphocytes in peripheral blood. Mature histiocytes with erythrophagia were detected in the bone marrow. GOT and GPT were elevated. Anti-EB virus antibody titer was high. The titers of VCAIgM and VCAIgG on admission were 1:320 and 1:160, respectively, and those at convalescence stage were 1: less than 10 and 1:640. The diagnosis of virus associated hemophagocytic syndrome (VAHS) due to EB virus was made. Immunosuppressive and cytotoxic therapy are thought to be contraindicated in the treatment of VAHS. In this case only a febrifuge was administrated and the condition of the patient was improved.