Definition : A rare form of non-Langerhans-cell histiocytosis (histiocytosis, non-langerhans-cell)
with onset in middle age. The systemic disease is characterized by infiltration of
lipid-laden macrophages, multinucleated giant cells, an inflammatory infiltrate of
lymphocytes and histiocytes in the bone marrow, and a generalized sclerosis of the
long bones. [MeSH];
A rare form of non-Langerhans-cell histiocytosis (histiocytosis, non-langerhans-cell)
with onset in middle age. The systemic disease is characterized by infiltration of
lipid-laden macrophages, multinucleated giant cells, an inflammatory infiltrate of
lymphocytes and histiocytes in the bone marrow, and a generalized sclerosis of the
long bones. [MeSH]