A 6-yr-old girl with congenital corticosteroid-resistant pure red cell aplasia was treated with bone marrow transplant from her HLA-identical, MLC-unreactive sister in November 1984 following conditioning with busulfan and cyclophosphamide. Full engraftment was obtained and the patient at 21 months post-transplant is in excellent clinical condition maintaining normal red cell counts. We conclude that BMT should be considered as a therapy for at least the most severe cases of Diamond-Blackfan anaemia resistant to corticosteroids. Successful outcome of this therapy provides an argument for the stem cell origin of this disorder.
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Wiktor-Jędrzejczak et al. (1987) studied this question.