Hereditary ovalocytosis
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Hereditary ovalocytosis

Definition

Hereditary ovalocytosis is rare condition passed down through families (inherited) in which blood cells are slightly oval-shaped instead of round. It is a form of hereditary elliptocytosis.

Alternative Names

Ovalocytosis - hereditary

Causes

Ovalocytosis is mainly found in Southeast Asian populations.

Symptoms

Newborn infants with ovalocytosis may have anemia and jaundice. Adults usually do not show symptoms and are known as asymptomatic.

Exams and Tests

An examination by your health care provider may occasionally show an enlarged spleen.

This condition is diagnosed by looking at the shape of blood cells under a microscope. The following tests may also be done:

  • Complete blood count (CBC) to check for anemia or red blood cell destruction
  • Blood smear to determine cell shape
  • Bilirubin level (may be high)
  • Lactate dehydrogenase level (may be high)
  • Ultrasound of the abdomen (may show gallstones)

Treatment

In severe cases, the disease may be treated by removal of the spleen (splenectomy).

Possible Complications

The condition may be associated with gallstones or kidney problems.

References

Golan DE. Hemolytic anemias: red cell membrane and metabolic defects. In: Goldman L, Ausiello D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 165.


Review Date: 2/5/2010
Reviewed By: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine; Yi-Bin Chen, MD, Leukemia/Bone Marrow Transplant Program, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. © 1997- A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.
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St. Luke's Hospital - 232 South Woods Mill Road - Chesterfield, MO 63017 Main Number: 314-434-1500 Emergency Dept: 314-205-6990 Patient Billing: 888-924-9200
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