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Washington University Experience | NEOPLASMS (HEMATOLYMPHOID) | Langerhans Cell Histiocytosis (LCH) | 3B2 Langerhan's Cell Histiocytosis (Case 3) CD1a 40X copy
The tumor cells are diffusely and strongly positive with CD1a antibodies which does not immunolabel reactive cells (arrow). (CD1a IHC)
