hematology and oncology
Overview of Histiocytic Disorders
Introduction
The histiocytic disorders are clinically heterogeneous disorders that result from an abnormal proliferation of histiocytes that are either Dendritic cells (antigen-presenting cells) Monocyte-macrophages (antigen-processing cells) Classifying histiocytic disorders is difficult (see table Histiocytic Disorders ) and has changed over time as an understanding of the biology of these cells has evolved ( 