Case Report

Successful Treatment of Posttransplant EBV-Associated Lymphoma and Plasmacytoma Solely Localized to the CNS

Figure 3

Histological and immunohistochemical analysis of posttransplant EBV-associated plasmacytoma in the CNS. (a) H&E section of a tumor showing a solid infiltrate of atypical malignant plasma cells ( × 4 0 ). (b) The plasma cells are positive for lambda light chains by immunophenotyping ( × 2 0 ). (c) Immunohistochemistry showing scattered tumor cells positive for EBV ( × 2 0 ).
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