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Fig. 3 | Diagnostic Pathology

Fig. 3

From: Panniculitis-like T-cell-lymphoma in the mesentery associated with hemophagocytic syndrome: autopsy case report

Fig. 3

immunohistochemistry showing neoplastic lymphocytes with positivity of CD3, CD8, perforin, TIA-1 and TCRβF1. CD4 stains rather bystander T-cells and histiocytes, without unequivocal positivity in lymphoma. The neoplastic cells are CD20 negative, note the sparse CD20-positive reactive B-cells. The neoplastic lymphocytes embody proliferation activity (Ki67) about 50%

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Diagnostic Pathology

ISSN: 1746-1596

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