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Washington University Experience | NEOPLASMS (HEMATOLYMPHOID) | Langerhans Cell Histiocytosis (LCH) | 9F1 LCH (Gaegel's Granuloma) (Case 9) CD3
9F1-3 Immunohistochemically stained sections show reactivity of non-neoplastic inflammatory cells for the T-lymphocyte marker CD3 (9F1) or B-lymphocyte markers CD20 (9F2).