langerhans cell histiocytosis treatment pdq treatment health professional information nci nci

The histiocytic diseases in children and adults are caused by an abnormal accumulation of cells of the mononuclear phagocytic system. Only Langerhans cell histiocytosis (LCH), a myeloid-derived dendritic cell disorder, is discussed in detail in this summary. The histiocytic diseases have been reclassified into five...