Paroxysmal nocturnal hemoglobinuria (PNH) is an extremely rare cause of bone marrow failure in children. We report two children who presented with pancytopenia, and were diagnosed with PNH with severe aplastic anemia. Both children underwent upfront, successful hematopoietic stem cell transplantation with reduced-intensity conditioning. One patient had a syngeneic donor, and one patient had a 10/10 matched unrelated donor. Neither patient developed graft versus host disease, infections, or recurrent PNH. Reduced-intensity conditioning hematopoietic stem cell transplantation is a reasonable therapy for PNH with marrow failure in children.
Keywords: paroxysmal nocturnal hemoglobinuria; pediatric; stem cell transplantation.
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