Unilateral Congenital Choanal Atresia Encountered in A 5 Years Old Patient

Objective: We describe a case of unilateral congenital choanal atresia in a 5 years old patient.Method: This is a case report of a 5 years old patient complaining of long-term nasal obstruction and a review of the literature, diagnostic methods and treatment options for choanal atresia.Results: A five years old girl having difficulty with nasal breathing was admitted to our clinic.Adenoid hypertrophy was the diagnoses and the patient had an adenoidectomy operation.At the surgery room, incidentally unilateral choanal atreasia was recognized.Conclusion: This condition is rarely encountered without newborn but should be considered as a possible differential diagnosis of persistent nasal obstruction.