Specific detection of Epstein-Barr virus in inflammatory pseudotumor of the spleen in a patient with a high serum level of soluble IL-2 receptor
2000
A case of inflammatory pseudotumor of the spleen is described in a 63-year-old woman who presented with an intrasplenic tumor and an elevated serum level of soluble interleukin 2 receptor (sIL-2R). Microscopic examination after removal of the spleen revealed that the tumor was composed of mixed cellular infiltrates, mainly lymphocytes and plasma cells, and spindle-cell proliferation. Epstein-Barr virus (EBV) was specifically detected in the tumor by in situ hybridization for EBV RNA. The serum level of sIL-2R level was normalized after splenectomy. EBV infection may play a role in the development of splenic inflammatory pseudotumor and the elevation of sIL-2R level.
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