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Aase syndrome is a rare disorder that involves anemia and certain joint and skeletal deformities.
Aase-Smith syndrome; Hypoplastic anemia/Triphalangeal thumb syndrome
Most cases of Aase syndrome occur without a known reason and are not passed down through families (inherited). However, some cases have been shown to be inherited.
The anemia in Aase syndrome is caused by poor development of the bone marrow, which is where blood cells are formed.
Exams and Tests
The doctor will perform a physical exam. Tests that may be done include:
Treatment may involve blood transfusions in the first year of life to treat anemia.
A steroid medication called prednisone has also been used to treat anemia associated with Aase syndrome. However, it should only be used after reviewing the benefits and risks with a doctor who has experience treating anemias.
A bone marrow transplant may be necessary if other treatment fails.
The anemia tends to improve with age.
Complications related to anemia include:
- Decreased oxygen in the blood
Heart problems can lead to a variety of complications, depending on the specific defect.
Severe cases of Aase syndrome have been associated with stillbirth or early death.
Genetic counseling is recommended if you have a family history of this syndrome and wish to become pregnant.
Reviewed By: Chad Haldeman-Englert, MD, Wake Forest School of Medicine, Department of Pediatrics, Section on Medical Genetics, Winston-Salem, NC. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.