title: DeSanctis–Cacchione syndrome
text: # DeSanctis–Cacchione syndrome
  
  DeSanctis–Cacchione syndrome is a genetic disorder characterized by the skin and eye symptoms of xeroderma pigmentosum (XP) occurring in association with microcephaly, progressive intellectual disability, slowed growth and sexual development, deafness, choreoathetosis, ataxia and quadriparesis.
  
  ## Genetics
  
  In at least some case, the gene lesion involves a mutation in the CSB gene.
  
  It can be associated with ERCC6.
  
  