Hereditary ovalocytosisOvalocytosis - hereditary
Hereditary ovalocytosis is a rare condition passed down through families (inherited). The blood cells are oval-shaped instead of round. It is a form of hereditary elliptocytosis.
Hereditary elliptocytosis is a disorder passed down through families in which the red blood cells are abnormally shaped. It is similar to other bloo...Read Article Now Book Mark Article
Ovalocytosis is mainly found in Southeast Asian populations.
Anemia is a condition in which the body does not have enough healthy red blood cells. Red blood cells provide oxygen to body tissues. Different type...Read Article Now Book Mark Article
Jaundice is a yellow color of the skin, mucus membranes, or eyes. The yellow coloring comes from bilirubin, a byproduct of old red blood cells. Jau...Read Article Now Book Mark Article
Exams and Tests
An exam by your health care provider may 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)
In severe cases, the disease may be treated by removal of the spleen (splenectomy).
Spleen removal is surgery to remove a diseased or damaged spleen. This surgery is called splenectomy. The spleen is in the upper part of the belly, ...Read Article Now Book Mark Article
The condition may be associated with gallstones or kidney problems.
Gallstones are hard deposits that form inside the gallbladder. These may be as small as a grain of sand or as large as a golf ball.Read Article Now Book Mark Article
Gallagher PG. Hemolytic anemias: red blood cell membrane and metabolic defects. In: Goldman L, Schafer AI, eds. Goldman-Cecil Medicine. 26th ed. Philadelphia, PA: Elsevier; 2020:chap 152.
Gallagher PG. Red blood cell membrane disorders. In: Hoffman R, Benz EJ, Silberstein LE, et al, eds. Hematology: Basic Principles and Practice. 7th ed. Philadelphia, PA: Elsevier; 2018:chap 45.
Merguerian MD, Gallagher PG. Hereditary elliptocytosis, hereditary pyropoikilocytosis, and related disorders. In: Kliegman RM, St. Geme JW, Blum NJ, Shah SS, Tasker RC, Wilson KM, eds. Nelson Textbook of Pediatrics. 21st ed. Philadelphia, PA: Elsevier; 2020:chap 486.
Ovalocytosis - illustration
Blood cells - illustration
Blood is comprised of red blood cells, platelets, and various white blood cells.
Review Date: 2/6/2020
Reviewed By: Todd Gersten, MD, Hematology/Oncology, Florida Cancer Specialists & Research Institute, Wellington, FL. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.