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  • Title: Malignant histiocytosis (histiocytic medullary reticulosis). I. Clinicopatholigic study of 29 cases.
    Author: Warnke RA, Kim H, Dorfman RF.
    Journal: Cancer; 1975 Jan; 35(1):215-30. PubMed ID: 1167345.
    Abstract:
    The clinical records and histologic material from 29 cases of malignant histiocytosis (MH) have been reviewed, as well as autopsy findings in 14 cases. The mean age was 31 years, with a 2.2:1 male to female preponderance. Major physical findings included temperature elevation, lymphadenopathy, hepatomegaly, splenomegaly, and preterminal jaundice. Common laboratory findings were anemia, leukopenia, and thrombocytopenia. The median survival was 6 months, the mean 14 months, and the range from 1 month to 8 years. The histologic features observed in lymph nodes, liver, spleen, and bone marrow have been emphasized, as well as features useful in differential diagnosis. In contrast to our experience with the non-Hodgkin's lymphomas, bone marrow aspiration was superior to biopsy in assessing marrow involvement. Unusual manifestations included soft tissue infiltration in 5 cases; 2 of these patients presented with a soft tissue mass. The distinctive clinical as well as histologic findings warrant recognition and separation of MH from other hematopoietic disorders.
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