Lymphohistiocytosis, Hemophagocytic

Primary Hemophagocytic Lymphohistiocytosis; Familial Hemophagocytic Lymphocytoses; Familial Hemophagocytic Lymphohistiocytoses; Familial Hemophagocytic Lymphohistiocytosis; Hemophagocytic Lymphocytoses, Familial; Hemophagocytic Lymphocytosis, Familial
A group of related disorders characterized by LYMPHOCYTOSIS; HISTIOCYTOSIS; and hemophagocytosis. The two major forms are familial and reactive.