Histiocytosis, Malignant |
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| Histiocytic Medullary Reticulosis; Malignant Histiocytosis; Histiocytic Medullary Reticuloses; Histiocytoses, Malignant; Malignant Histiocytoses; Medullary Reticuloses, Histiocytic; Medullary Reticulosis, Histiocytic; Reticuloses, Histiocytic Medullary | |
| A rare, usually rapidly progressive disorder, characterized by abrupt onset, fever, weight loss, hepato-splenomegaly, pancytopenia, and lymphadenopathy. | |