Choanal atresia
ORPHA:137914· ICD-10 Q30.0
Definition
Choanal atresia (CA) is a congenital anomaly of the posterior nasal airway characterized by the obstruction of one (unilateral) or both (bilateral) choanal aperture(s), with clinical manifestations ranging from acute respiratory distress to chronic nasal obstruction.
- Prevalence
- 1-9 / 100 000
- Inheritance
- Not applicable
- Age of onset
- Childhood, Infancy, Neonatal