Coffin-Siris syndrome

What is Coffin-Siris syndrome?

A rare genetic syndromic intellectual disability of broad phenotypic range characterized by developmental delay and variable clinical features which most commonly, but not consistently, include aplasia or hypoplasia of the distal phalanx or nail of the fifth digit, and coarse facial features.

Other condition names

  • CSS

Inheritance type

Autosomal dominant

Prevalence

  • Worldwide: <1 in 1,000 000

Age of Onset

  • Neonatal
Orphadata: Free access data from Orphanet. © INSERM 1999. Available on "https://www.orphadata.com". Data version 1.3.16 / 4.1.7.