Surgical treatment of liver inflammatory pseudotumor-like follicular dendritic cell sarcoma: A case report

Figure 3 Immunohistochemical staining and in situ hybridization test. A: Tissue specimens; B and C: Immunohistochemical results: Proliferative histiocytes CD21 (+), CD35 (+), D2-40 (-), and SMA (+), focal. Lymphocyte hepatocyte (+), CD3 (diffuse), CD20 (-), CD79 α (-), CD10 (-), bcl-2 (-), CD5 (+), CD19 (+), Sox11 (-), CD56 (-), CD4 (+), partial, CD8 (+), minority, cyclin D1 (-), TIA (+), Granzyme B (-), CD2 (+), CD7 (+), bcl-6 (-), MUMI (-), CD30 (scattered transformed large cells), and TCR-R (-). Ki-67 (about 25%+); D: In situ hybridization results: Some cells showed EBER+, positive control +. EBER: Epstein-Barr encoding region.