aetiology

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Velopharyngeal insufficiency has varied causes:

  • structural
  • neurological
  • behavioural

However, there may be overlap between classes eg:

  • velocardiofacial syndrome is associated with a submucous cleft palate and reduced innervation by the facial nerve
  • neurological impairment resulting in hypoplasia of the soft palate

Last reviewed 01/2018

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