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BackgroundB-cell lymphoproliferative disorders (BLPD*) caused by Epstein-Barr virus (EBV) occurring after allogeneic bone marrow transplantation (BMT) are usually of donor origin. Treatment such as discontinuation of immunosuppression may be successful in some cases, but infusion of donor T cells results in successful eradication of EBV BLPD in most cases.Methods and resultsWe report a case of EBV positive aggressive BLPD after HLA matched sibling BMT for aplastic anaemia. The tumour completely regressed after withdrawal of cyclosporin and donor lymphocyte infusion. However, although the tumor was of donor origin, the donor serum was negative for antibodies to EBV antigens and no EBV-specific cytotoxicity was detected in donor peripheral blood mononuclear cells. The recipient was seropositive for EBV before BMT.ConclusionsWe speculate that a 'second primary' EBV infection occurred involving donor cells in the recipient during BMT immunosuppression, with subsequent outgrowth of donor-derived BLPD. EBV infection may have been by an endogenous EBV isolate, from external sources, or from third party transfusions.

Original publication




Journal article



Publication Date





1373 - 1375


Department of Haematology, St George's Hospital, London.


B-Lymphocytes, Humans, Epstein-Barr Virus Infections, Anemia, Aplastic, Lymphoproliferative Disorders, HLA Antigens, Bone Marrow Transplantation, Adult, Tissue Donors, Male