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Washington University Experience | NEOPLASMS (HEMATOLYMPHOID) | ALK Fusion Histiocytosis | 1B2 ALK-positive Histiocytosis (Case 1) A3 H&E 40X 4
H&E stained sections show abundant histiocytes with elongated to spindled nuclei, admixed with numerous eosinophils, as well as scattered lymphoplasmacytic cells. (H&E)
