Open Access
Using the Maxillary-Nasal Angle to Evaluate Congenital Nasal Pyriform Aperture Stenosis
Jama Otolaryngology–head And Neck SurgeryPeer ReviewedJigar B. Sitapara +62015Journals
Congenital nasal pyriform aperture stenosis (CNPAS) is a rare cause of nasal airway obstruction in newborns. The decision to operate is made clinically. Although pyriform aperture width is used for diagnosing CNPAS, it does not fully characterize stenosis of the nasal cavity.

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