histiocytosis

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histiocytosis

[‚his·tē·ō‚sī′tō·səs]
(medicine)
Abnormal proliferation of histiocytes, especially in hematopoietic tissues.
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Immunohistochemical markers are important to distinguish SHML from other entities including Langerhans cell histiocytosis, malignant histiocytosis, hemophagocytic syndrome, nonspecific sinus hyperplasia, granulomatous lesions, Hodgkin lymphoma, melanoma, and carcinoma.
Erythrophagocytic T gamma lymphoma: a clinicopathologic entity resembling malignant histiocytosis. N Engl J Med 1981;304:648-53.
Histiocytic neoplasms of the lymphohematopoietic system have had various names including histiocytic lymphoma, malignant histiocytosis, histiocytic medullary reticulosis, reticulum sarcoma, and malignant histiocytosis.

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