Clouston syndrome: first case in Russia.

Hidrotic ectodermal dysplasia type 2 (HED2) or Clouston syndrome (OMIM #129500) is a rare autosomal dominant genetic disorder which affects skin and its derivatives, characterized by the major triad of features: nail dystrophy, generalized hypotrichosis, and palmoplantar hyperkeratosis. Here we describe the first case of Clouston syndrome in Russia and the molecular genetic analysis of this case.