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[Case report of unilateral congenital choanal atresia].

A case of unilateral inborn choanal atresia was described in a baby of the age of 4 months. The anomaly was solved by the endonasal approach, which the author recommends as the method of choice in the treatment of choanal atresias because it is very simple, safe and easy to conduct. The paper also discusses other operative methods as well as the best time for conducting the intervention.