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Diseases

Genetic and Rare Diseases Information Center (GARD)

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TAR syndrome


Other Names for this Disease

  • Absent radii and thrombocytopenia
  • Thrombocytopenia absent radii
  • Thrombocytopenia absent radius syndrome
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Prognosis

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What is the prognosis for TAR syndrome?

The first two years of life are the most critical in TAR syndrome.[1] During this time, children frequently develop life-threatening bleeding episodes due to extremely low platelet levels (thrombocytopenia). These episodes decrease with age, and platelet counts are usually normal by the time a child goes to school.[1] Many individuals with TAR syndrome are allergic to cow's milk, which can also exacerbate the symptoms of thrombocytopenia.[2] Intellectual development is usually not affected by TAR syndrome, though some individuals have intellectual disability due to complications from bleeding within the brain.[1] People with TAR syndrome may be at increased risk of developing acute leukemia during childhood or adulthood.[1]
Last updated: 2/19/2014

References
  1. John K Wu. Thrombocytopenia-absent radius syndrome. Medscape Reference. April 16, 2012; http://reference.medscape.com/article/959262-overview.
  2. Toriello, HV. Thrombocytopenia absent radius syndrome. GeneReviews. June 28, 2012; http://www.ncbi.nlm.nih.gov/books/NBK23758/.


Other Names for this Disease
  • Absent radii and thrombocytopenia
  • Thrombocytopenia absent radii
  • Thrombocytopenia absent radius syndrome
See Disclaimer regarding information on this site. Some links on this page may take you to organizations outside of the National Institutes of Health.