Definition
Hereditary ovalocytosis is rare condition pass down through families in which blood cells are slightly oval shaped instead of round. It is a form of hereditary elliptocytosis.
Alternative Names
Ovalocytosis - hereditary
Causes, incidence, and risk factors
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.Signs and tests
An examination by your health care provider may occasionally show an enlarged spleen.
This condition is diagnosed by look at the shape of blood cells under a microscope. The following tests may also be done:
- CBC (complete blood count) to check for anemia
- Blood smear
- Bilirubin level
Treatment
In severe cases, the disease may be treated by removal of the spleen (splenectomy).
Complications
The condition may be associated with kidney problems.
References
Jeng MR. Hematologic problems in immigrants from Southeast Asia. Hematol Oncol Clin North Am. Dec 2004; 18(6): 1405-22, x.
Laosombat V, Dissaneevate S, Wongchanchailert M, Satayasevanaa B. Neonatal anemia associated with Southeast Asian ovalocytosis. Int J Hematol. 2005 Oct;82(3):201-5.
| • | Hereditary elliptocytosis... |
| • | Hemolytic anemia |
| • | Spleen removal |
Reviewed By: William Matsui, MD, Assistant Professor of Oncology, Division of Hematologic Malignancies, The Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, MD. Review provided by VeriMed Healthcare Network.
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