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cold hemagglutinin disease

 

Definition: a condition associated with the presence of hemagglutinating autoantibody active in vivo, but in vitro particularly or solely active in the cold; when the concentration of IgM antibody is high there may be increased serum viscosity, but clinical manifestations (due to hemagglutination) usually appear following exposure to cold; hemolysis usually is mild but may be severe, resulting in autoimmune hemolytic anemia, cold antibody type.

Synonym(s): cold agglutinin syndrome

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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