Hemophagocytic lymphohistiocytosis is a rare hematologic disorder characterized by an uncontrolled immune response with organ infiltration of lymphocytes and histiocytes, and organ damage caused by excessive production of pro-inflammatory cytokines.
Hemophagocytic Lymphohistiocytosis. Marrow aspirate smear showing examples of hemophagocytosis, May Grunwald Giemsa stain, × 1000. Hemophagocytic lymphohistiocytosis complicating a T-cell rich B-cell lymphoma. BMC Hematology. Not altered. CC.
