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Congenital anonychia

Orpha number ORPHA79143
Synonym(s) Anonychia
Prevalence <1 / 1 000 000
Inheritance -
Age of onset -
ICD-10
  • Q84.3
OMIM
UMLS -
MeSH -
MedDRA -
SNOMED CT
  • 23610003

Summary

This syndrome is characterized by nail abnormalities ranging from onychodystrophy (dystrophic nails) to anonychia (absence of nails). Onychodystrophy-anonychia has been described in at least four generations of a family with male-to-male transmission, suggesting autosomal dominant transmission. Anonychia has been described in approximately less than 20 cases; it is likely to be transmitted as an autosomal recessive trait. Total anonychia congenita, in which all the fingernails and toenails are absent, may have an autosomal dominant inheritance pattern.


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