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Multiple red blood cell antibodies produced by donor B lymphocytes after ABO-matched allogeneic bone marrow
1Department of Clinical Pathology, Iwate Medical University, Japan. ttasaki@cap.iwate-med.ac.jp
Transfusion Science
|October 28, 1999
Abstract:
A 50-year-old man with AML[M2,t(8;21)] underwent BMT from his younger sister. At that time, he had no unexpected antibody and his blood type was O(+), CcDEe. The type of Kidd was not examined. The donor's blood type was O(+), CCDee, Jk(a+b-). One year after the BMT, the patient's blood type had changed to that of the donor's and anti-E antibody was detected. Despite the use of platelet concentrates (PCs) only, anti-c antibody was later identified. We conclude that there is a need to check red cell antibodies at regular intervals, even when using PCs only, for earlier detection of unexpected antibodies after BMT.