NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,881 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.

peripheral blood stem cell transplant
(peh-RIH-feh-rul ... stem sel TRANZ-plant)
A method of replacing blood-forming cells destroyed by cancer treatment. Immature blood cells (stem cells) in the bloodstream are given to the patient after treatment. This helps the bone marrow recover and continue to make healthy blood cells. A stem cell transplant may be autologous (a patient’s own blood cells saved earlier), allogeneic (blood cells donated by someone else), or syngeneic (blood cells donated by an identical twin). Also called peripheral stem cell support.