Choanal Atresia and Other Neonatal Nasal Anomalies.

Congenital nasal deformities can cause nasal obstruction with early respiratory distress. Choanal atresia is characterized by no communication between the nasal cavity and nasopharynx. Pyriform aperture stenosis involves more anterior nasal obstruction with limited intranasal space. Nasal masses such as encephaloceles, gliomas, and dermoids are thought to be related through a skull base defect in utero. Imaging with computed tomography and MRI are helpful in distinguishing lesions and identifying intracranial communication. Nasolacrimal duct cysts can get infected and cause obstruction. Nasal septal deviation can be corrected at bedside if detected early. Evaluation and treatment are discussed with all these entities.