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Anonychia with flexural pigmentation

Disease definition

A rare ectodermal dysplasia syndrome characterized by anonychia congenita totalis or rudimentary nails, macular hyper- and/or hypopigmentation (particularly affecting groins, axillae and breasts), coarse scalp hair (that becomes markedly thinned in early adult life), dry palmoplantar skin with distorted epidermal ridges and sore, cracked soles, and hypohidrosis. There have been no further descriptions in the literature since 1975.


Classification level: Disorder
  • Synonym(s): -
  • Prevalence: <1 / 1 000 000
  • Inheritance: Autosomal dominant 
  • Age of onset: Infancy, Neonatal
  • ICD-10: -
  • OMIM: 106750
  • UMLS: C1862844
  • MeSH: -
  • GARD: -
  • MedDRA: -
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