histiocytic lymphoma
Cancer
(HIS-tee-oh-SIH-tik lim-FOH-muh) An outdated term referring to non-Hodgkin lymphomas made up of large abnormal lymphoid cells. Histiocytic lymphomas include mature B-cell and T-cell non-Hodgkin lymphomas. Many tumors that were once called histiocytic lymphomas are now considered to be a type of large cell lymphoma.