Choanal Atresia - Associated Conditions

Associated Conditions

Sometimes babies born with choanal atresia also have other abnormalities:

  • coloboma
  • heart defects
  • mental retardation
  • growth impairment
  • others (see also CHARGE syndrome)

Also any condition that causes significant depression of the nasal bridge or midface retraction can be associated with choanal atresia. Examples include the craniosynostosis syndromes such as Crouzon syndrome, Pfeiffer syndrome, and Antley-Bixler syndrome.

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