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GENATLAS PHENOTYPE
last update : 08-06-2018
Symbol PC217
Location 17q21.2
Name pachyonychia congenita type II
Other name(s) Jackson-Lawler type incl. steatocystoma multiplex MIM184500
Corresponding gene KRT17
Other symbol(s) PC2, POC2; PCHCA
Main clinical features
  • hypertrophic nail dystrophy associated with focal keratoderma and multiple pilosebaceous cysts, palmoplantar keratoderma, with ectodermal dysplasia, hair abnormalities, corneal dystrophy and natal teeth
  • steatocystoma multiplex and pachyonychia congenita must be considered to be at opposite ends of a phenotypic expression of the same basic disorder
  • Genetic determination autosomal dominant
    Function/system disorder dermatology
    Type disease
    Gene product
    Name keratin 17, type I (KRT17)
    Remark(s)