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Genetic and Rare Diseases Information Center (GARD)

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Pachyonychia congenita

Other Names for this Disease
  • Congenital pachyonychia
  • Pachyonychia congenita syndrome
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How is pachyonychia congenita inherited?

This condition is inherited in an autosomal dominant manner. In autosomal dominant conditions, a mutation in one of the two copies of a gene results in the development of the condition. The mutation can be inherited from a parent, or can happen by chance for the first time in an individual. About half of the time, an affected person inherits the mutation from one affected parent. Each child of an individual with pachyonychia congenita has a 50% chance of inheriting the mutation and the condition. Offspring who inherit the mutation will have pachyonychia congenita.[1]
Last updated: 5/4/2011

  1. Pachyonychia congenita. Genetics Home Reference. August 2008; Accessed 5/4/2011.