Histiocytic medullary reticulosis

histiocytic medullary reticulosis n.
A rapidly fatal lymphoma, characterized by fever, jaundice, pancytopenia, and enlargement of the liver, spleen, and lymph nodes. The affected organs show focal necrosis and hemorrhage, with proliferation of histiocytes and with phagocytosis of the red blood cells.


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    histiocytoma his·ti·o·cy·to·ma (hĭs’tē-ō-sī-tō’mə) n. pl. his·ti·o·cy·to·mas or his·ti·o·cy·to·ma·ta (-mə-tə) A tumor composed of histiocytes.

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    histiocytosis X n. Any of a group of disorders of unknown cause characterized by histiocytic proliferation, including Hand-Schüller-Christian disease.

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