histiocytic lymphoma

Definition of true histiocytic lymphoma

true histiocytic lymphoma

(... HIS-tee-oh-SIH-tik lim-FOH-muh)
A rare, very aggressive (fast-growing) type of non-Hodgkin lymphoma (cancer that begins in the cells of the immune system). It is marked by large abnormal lymphoid cells that do not look like T cells or B cells.

Source: NCI Dictionary of Cancer Terms