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Genetic and Rare Diseases Information Center (GARD)

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Kallmann syndrome 1


Other Names for this Disease

  • KAL1
  • Kallmann syndrome, type 1, X-linked
  • Kallmann syndrome, X-linked
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

Kallmann syndrome 1 is an inherited disorder characterized by delayed or absent puberty and an impaired sense of smell. Other symptoms may include color blindness, cleft lip or palate, abnormal eye movements, hearing loss, failure of one of the kidneys to develop, mirror image hand movements, abnormalities of tooth development, and infertility. This disorder is a form of hypogonadotropic hypogonadism. Affected males are usually born with a small penis and undescended testicles. Affected females usually do not begin menstruating at puberty and have little or no breast development.[1][2] Kallmann syndrome 1 is the most common type of Kallmann syndrome (there are four types identified at this time). It is caused by mutations in the KAL1 gene and is inherited in an X-linked recessive fashion.[1]  
Last updated: 12/22/2011

References

  1. Kallmann syndrome. Genetics Home Reference. 2008; http://ghr.nlm.nih.gov/condition/kallmann-syndrome. Accessed 12/22/2011.
  2. Pallais JC, Au M, Pitteloud N, Seminara S, Crowley WE. Kallmann syndrome. GeneReviews. 2011; http://www.ncbi.nlm.nih.gov/books/NBK1334/. Accessed 12/22/2011.
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Please contact us with your questions about Kallmann syndrome 1. We will answer your question and update these pages with new resources and information.

Basic Information

  • Genetics Home Reference (GHR) contains information on Kallmann syndrome 1. This website is maintained by the National Library of Medicine.
  • 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. 
  • 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 Kallmann syndrome 1. Click on the link to view a sample search on this topic.
Other Names for this Disease
  • KAL1
  • Kallmann syndrome, type 1, X-linked
  • Kallmann syndrome, X-linked
See Disclaimer regarding information on this site. Some links on this page may take you to organizations outside of the National Institutes of Health.