Choanal atresia was first described by Roeder in 1755.1 Choanal atresia is the narrowing or obstruction of the posterior nasal fossa. This anomaly could be congenital or acquired. Most patients are female.2 Choanal atresia might be isolated or associated with other anomalies like CHARGE syndrome and 20-50% of congenital cases have this company.3 Choanal atresia could be unilateral or bilateral ...
