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Washington University Experience | NEOPLASMS (HEMATOLYMPHOID) | Langerhans Cell Histiocytosis (LCH) | 1C1 LCH (Case 1) CD1a 20X
1C1,2 The Langerhans cells are strongly immunoreactive in cytoplasm and membranes for CD1a which does not stain any accompanying reactive cell types (CD1a IHC)