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Genetic and Rare Diseases Information Center (GARD)

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Trisomy 13


Other Names for this Disease
  • Chromosome 13, trisomy 13 complete
  • Complete trisomy 13 syndrome
  • D trisomy syndrome (formerly)
  • Patau 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.

Overview

Trisomy 13, also called Patau syndrome, is a genetic disorder in which all or a portion of chromosome 13 appears three times (a trisomy) rather than twice in cells of the body. In some affected people, only a portion of cells may contain the extra chromosome 13 (called mosaic trisomy 13), whereas other cells contain the normal chromosomal pair.[1][2][3] Trisomy 13 causes severe intellectual disability and many physical abnormalities, such as heart defects; brain or spinal cord abnormalities; very small or poorly developed eyes (microphthalmia); extra fingers or toes; cleft lip with or without cleft palate; and weak muscle tone (hypotonia). Most cases are not inherited and result from random errors during the formation of eggs or sperm in healthy parents.[2] Due to various life-threatening medical problems, many infants with trisomy 13 do not survive past the first days or weeks of life.[2]
Last updated: 1/20/2015

References

  1. Trisomy 13 Syndrome. National Organization for Rare Disorders (NORD). 2007; http://www.rarediseases.org/search/rdbdetail_abstract.html?disname=Trisomy%2013%20Syndrome. Accessed 10/13/2009.
  2. Trisomy 13. Genetics Home Reference (GHR). 2009; http://ghr.nlm.nih.gov/condition=trisomy13. Accessed 10/13/2009.
  3. Chambers D. Trisomy 13. MedlinePlus. 2009; http://www.nlm.nih.gov/medlineplus/ency/article/001660.htm. Accessed 10/13/2009.
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Basic Information

  • Genetics Home Reference (GHR) contains information on Trisomy 13. This website is maintained by the National Library of Medicine.
  • MedlinePlus was designed by the National Library of Medicine to help you research your health questions, and it provides more information about this topic.
  • The National Organization for Rare Disorders (NORD) is a federation of more than 130 nonprofit voluntary health organizations serving people with rare disorders. Click on the link to view information on this topic.

In Depth Information

  • Medscape Reference provides information on this topic. You may need to register to view the medical textbook, but registration is free.
  • Orphanet is a European reference portal for information on rare diseases and orphan drugs.  Access to this database is free of charge.
  • PubMed is a searchable database of medical literature and lists journal articles that discuss Trisomy 13. Click on the link to view a sample search on this topic.
Other Names for this Disease
  • Chromosome 13, trisomy 13 complete
  • Complete trisomy 13 syndrome
  • D trisomy syndrome (formerly)
  • Patau 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.