Definition of donor lymphocyte infusion - NCI Dictionary of Cancer Terms

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donor lymphocyte infusion (DOH-ner LIM-foh-site in-FYOO-zhun)

A type of therapy in which lymphocytes from the blood of a donor are given to a patient who has already received a stem cell transplant from the same donor. The donor lymphocytes may kill remaining cancer cells. Donor lymphocyte infusion is used to treat chronic myelogenous leukemia (CML) that has come back and myeloma. It is being studied in the treatment of other types of cancer.

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