NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,847 terms related to cancer and medicine.

Browse the dictionary by selecting a letter of the alphabet or by entering a cancer-related word or phrase in the search box.

histiocytic lymphoma
(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An outdated term referring to non-Hodgkin lymphomas made up of large abnormal lymphoid cells.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.