Choanal atresia

Choanal atresia
  • Facts:
    Most common nasal malformation
    Congenital disorder where the back of the nasal passage is blocked
    May be isolated or part of a dysmorphic syndrome
  • History / PE:
    Cyanosis aggravated with feeding, relieved by crying
  • Diagnosis:
    Failure to pass catheter through nose 3-4cm into oropharynx
    CT scan with intranasal contrast
  • Differential Diagnosis:
    Laryngomalacia (inspiratory stridor)

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August 7th 2010