2C1 Langerhans Cell Histiocytosis (Case 2) CD1a 2 | Langerhans Cell Histiocytosis (LCH) | NEOPLASMS (HEMATOLYMPHOID)

Washington University Experience | NEOPLASMS (HEMATOLYMPHOID) | Langerhans Cell Histiocytosis (LCH) | 2C1 Langerhans Cell Histiocytosis (Case 2) CD1a 2

CD1a immunoreactivity defines the Langerhans cells and fails to stain reactive elements.