“…The role of plasmapheresis in the treatment of several immune-complex disorders is well accepted, but in the field of antibody-mediated hematologic disorders, plas ma exchange (PE) has been used with controversial results [1,2], In patients with autoimmune hemolytic anemia (AIHA) of the cold antibody type PE has been employed in occasional cases with little efficiency [3][4][5][6], on the other hand, it had some benefit in AIFIA of the warm antibody type [7][8][9][10][11]. We here report on an additional case with beneficial effect of PE in a black patient with sickle cell trait, who developed an extremely severe form of AIHA of the warm antibody type with acute renal failure, refractory to conventional treatment with corti costeroids.…”