How are hemolytic anemias classified?

Updated: Oct 07, 2018
  • Author: Joseph E Maakaron, MD; Chief Editor: Emmanuel C Besa, MD  more...
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All causes of hemolytic disorders are either hereditary or acquired. Similarly, they are due to either an intrinsic abnormality of the RBC (intracorpuscular defect) or external factors that shorten the erythrocyte life span (extracorpuscular). Using this nomenclature, only 4 groups of hemolytic disorders are possible—hereditary intracorpuscular, hereditary extracorpuscular, acquired intracorpuscular, and acquired extracorpuscular.

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