Malignant histiocytosis


MSH: A rare, usually progressive disorder comprising an invasive proliferation of neoplastic HISTIOCYTES. Many previous cases are now thought to represent ANAPLASTIC LARGE-CELL LYMPHOMA.,NCI: An antiquated term referring to cases of systemic non-Hodgkin lymphomas which are composed of large, atypical neoplastic lymphoid cells and cases of hemophagocytic syndromes. In the past, cases of anaplastic large cells lymphoma were called malignant histiocytosis.

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