A bone marrow transplant using marrow collected from a "matched" healthy donor, usually a brother or sister. The risks associated with the transplant increase with age and 55 years of age is generally regarded as the upper limit.
Any bone marrow transplant (BMT) between two individuals, whether they are related or unrelated.
Any bone marrow/blood stem cell transplant in which the cells come from another person rather than the patient's own cells. The donated cells can come from a related or unrelated donor.
A bone marrow transplant using bone marrow from someone who is healthy.
(al-o-gen- nay-ic): uses marrow from a donor whose tissue type closely matches the patient's. This can be from a related donor or an unrelated donor. See also stem cell transplant.