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Washington University Experience | NEOPLASMS (HEMATOLYMPHOID) | Lymphomatosis cerebri | 1D1 Lymphomatosis cerebri (Case 1) CD20 20X

1D1-3 Immunohistochemical studies of the same area of the biopsy (shown as 1D1-3) stained for CD20 (1D1, B cells, neoplastic), CD3 (1D2, T cells, non-neoplastic) and Ki67 (1D3, proliferative marker) are shown at 20X magnification.

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