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Genetic and Rare Diseases Information Center (GARD)

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Pseudohypoparathyroidism


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Overview

Pseudohypoparathyroidism is a genetic disorder that resembles hypoparathyroidism (lowered levels of parathyroid hormone), but is caused by a lack of response to parathyroid hormone rather than having too little of the hormone itself. This condition is very similar to hypoparathyroidism, with low calcium levels and high phosphate levels in the blood. This results in the characteristic symptoms which are generally first seen in childhood. There are two different types of pseudohypoparathyroidism, both of which are caused by abnormal genes. Type 1 can be further divided into three sub-types.[1] Click on the links below for more information on the various types of pseudohypoparathyroidism.

Pseudohypoparathyroidism type 1A
Pseudohypoparathyroidism type 1B
Pseudohypoparathyroidism type 1C
Pseudohypoparathyroidism type 2
Last updated: 10/7/2011

References

  1. Topiwala S. Pseudohypoparathyroidism. MedlinePlus. July 2012; http://www.nlm.nih.gov/medlineplus/ency/article/000364.htm. Accessed 10/17/2012.
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Basic Information

  • 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. Click on the link to view this information. You may need to register to view the medical textbook, but registration is free.
  • The Online Mendelian Inheritance in Man (OMIM) is a catalog of human genes and genetic disorders. Each entry has a summary of related medical articles. It is meant for health care professionals and researchers. OMIM is maintained by Johns Hopkins University School of Medicine. 
  • PubMed is a searchable database of medical literature and lists journal articles that discuss Pseudohypoparathyroidism. Click on the link to view a sample search on this topic.

Selected Full-Text Journal Articles

See Disclaimer regarding information on this site. Some links on this page may take you to organizations outside of the National Institutes of Health.