NCI Dictionary of Cancer Terms

The NCI Dictionary of Cancer Terms features 8,506 terms related to cancer and medicine.

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bone marrow transplant
(bone MAYR-oh TRANZ-plant)
A procedure in which a patient receives healthy stem cells (blood-forming cells) to replace their own stem cells that have been destroyed by treatment with radiation or high doses of chemotherapy. The healthy stem cells may come from the bone marrow of the patient or from a related or unrelated donor. A bone marrow transplant may be autologous (using a patient’s own stem cells that were collected and saved before treatment), allogeneic (using stem cells from a related or unrelated donor), or syngeneic (using stem cells donated by an identical twin). Also called BMT.