Autoimmune hemolytic anemia due to anti B autoantibody.

Atichartakarn V, Chiewsilp P, Ratanasirivanich P, Stabunswadgan S

Vox Sang. 1985;49(4):301-3. doi: 10.1111/j.1423-0410.1985.tb01125.x.

An anti B autoantibody was found during a routine cross-matching of the blood of two patients who presented with fever and hemolytic anemia. It appeared transiently and was shown to be IgM- and cold-reacting. The patients had an excellent response to a short course of corticosteroid treatment.