What testing should be performed in the workup of hereditary hemolytic anemias?

Updated: Oct 08, 2018
  • Author: Joseph E Maakaron, MD; Chief Editor: Emmanuel C Besa, MD  more...
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Answer

All hereditary hemolytic disorders are due to intracorpuscular defects, and most acquired disorders are due to extracorpuscular abnormalities (see Table 4). Hereditary etiologies of hemolytic disease are suggested strongly in any patient with a family history of anemia, jaundice, cholelithiasis, or splenectomy. Whenever possible, family members, particularly parents, siblings, and children, should undergo a hematologic examination, including a hemogram with reticulocyte count, an indirect bilirubin determination, and a careful examination of the peripheral smear.

Table 4. Classification of the Hemolytic Disorders (Open Table in a new window)

 

Hereditary

Acquired

Intracorpuscular defect

Hereditary spherocytosis

Hereditary elliptocytosis

Hemoglobinopathies

Thalassemias

Congenital dyserythropoietic anemias

Hereditary RBC enzymatic deficiencies

Rarer hereditary abnormalities

Vitamin B-12 and folic acid deficiency

Paroxysmal nocturnal hemoglobinuria

Severe iron deficiency

Extracorpuscular defect

 

Physical agents: Burns, cold exposure

Traumatic: Prosthetic heart valves, march hemoglobinuria, disseminated intravascular coagulation (DIC), graft rejection

Chemicals: Drugs and venoms

Infectious agents: Malaria, toxoplasmosis, mononucleosis, hepatitis, primary atypical pneumonia, clostridial infections, bartonellosis, leishmaniasis

Hepatic and renal disease

Collagen vascular disease

Malignancies: Particularly hematologic neoplasia

Transfusion of incompatible blood

Hemolytic disease of the newborn

Cold hemagglutinin

disease

Autoimmune hemolytic anemia Thrombotic thrombocytopenic purpura (TTP) and hemolytic-uremic syndrome (HUS)


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