[Five cases of acquired pure red cell aplasia].

Acquired pure red cell aplasia is rare disorder of hematopoiesis. Because of the variety of reasons for PRCA optimal treatment is based on highly specialistic diagnostics. Both humoral and cellular mechanisms are involved in the pathogenesis of PRCA. Corticosteroids, cyclosporin A, high-dose intravenous immunoglobulin therapy are recommended in PRCA. Treatment failures may be successfully managed with antihuman thymocyte globulin, cyclophosphamide or azathioprine. We describe also the lots of five patients with this disorder.