Abstract:Background
The two major types of cold autoimmune hemolytic anemias are cold agglutinin disease (CAD) and paroxysmal cold hemoglobinuria (PCH). In CAD, the cold agglutinin is usually IgM with anti-I specificity. In PCH, the Donath-Landsteiner (DL) antibody is a cold reacting IgG with anti-P specificity. In this study, we describe the clinical and serological characteristics of patients with autoimmune hemolytic anemia positive for both cold agglutinin and DL antibodies.
Methods
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