autoimmune hemolytic anemia (aiha) is characterized by shortening of red blood cell (rbc) survival and the presence of autoantibodies directed against autologous rbcs. approximately 20% of autoimmune hemolytic anemia cases are associated with cold-reactive antibody. about half of patients with aiha have no underlying associated disease; these cases are termed primary or idiopathic. secondary ca...

The classification of autoimmune hemolytic anemias and the complement system are reviewed. In autoimmune hemolytic anemia of the warm antibody type, complement-mediated cell lysis is clinically relevant in a proportion of the patients but is hardly essential for hemolysis in most patients. Cold antibody-mediated autoimmune hemolytic anemias (primary cold agglutinin disease, secondary cold agglu...

Autoimmune hemolytic anemias include warm and cold reactive autoimmune hemolytic anemias (WAIHA and CAD), paroxysmal cold hemoglobinuria (PCH), and drug-induced hemolytic anemias. If autoimmune hemolytic anemia is suspected, the clinical history should be communicated to the transfusion service, because specific tests to confirm these diagnoses are not routinely performed. This includes evaluat...

Autoimmune hemolytic anemia (AIHA) is characterized by shortening of red blood cell (RBC) survival and the presence of autoantibodies directed against autologous RBCs. Approximately 20% of autoimmune hemolytic anemia cases are associated with cold-reactive antibody. About half of patients with AIHA have no underlying associated disease; these cases are termed primary or idiopathic. Secondary ca...

INTRODUCTION Mixed warm and cold autoimmune hemolytic anemia runs a chronic course with severe intermittent exacerbations. Therapeutic options for the treatment of hemolysis associated with autoimmune hemolytic anemia are limited. There have been only two reported cases of the effective use of rituximab in the treatment of patients with mixed autoimmune hemolytic anemia. We report a case of sev...

Autoimmune hemolytic anemia is a picture of hemolysis which is caused by autoantibodies against red blood cell surface antigens. It is classified as primary, secondary or warm and cold autoimmune hemolytic anemia according to the temperature at which antibodies react. It is usually an acute and self-limiting condition. Here, we present a three-year-old male patient who presented with malaise, p...

Cold agglutinin disease arising in the context of chronic lymphocytic leukemia can misdiagnose a warm autoimmune hemolytic anemia.

Cold agglutinin disease is a rare autoimmune hemolytic anemia characterized by hemolysis that caused activation of the classic complement pathway. Sutimlimab, humanized monoclonal antibody, selectively targets C1s protein, C1 complex serine protease responsible for activating this

introduction autoimmune haemolytic anemia (aiha) is a complex process characterized by an immune reaction against red blood cell self-antigens. the analysis of specimens, drawn from patients with cold auto-immune hemolytic anemia is a difficult problem for automated hematology analyzer. this paper was written to alert technologists and pathologists to the presence of cold agglutinins and its ef...