Pyriform Aperture Stenosis

Also known as: PAS, congenital nasal pyriform aperture stenosis.

What is pyriform aperture stenosis?

Pyriform aperture stenosis is a birth defect that affects the face and nose. The common presentation is a narrow nasal opening due to the upper jaw bone being larger than normal.
 

What causes pyriform aperture stenosis? 

The exact cause of pyriform aperture stenosis is not clear. It’s an abnormality that develops while the fetus is still growing in the womb.
 

What are the symptoms of pyriform aperture stenosis?

Common symptoms of pyriform aperture stenosis include difficulty breathing or noise breathing, trouble feeding, crying and nasal drainage, among other symptoms.
 

What are pyriform aperture stenosis care options?

Mild cases of pyriform aperture stenosis may not require treatment but only careful monitoring. In more severe instances, surgery may be required to repair the problems related to pyriform aperture stenosis.

Reviewed by: Yamilet Tirado, MD

This page was last updated on: 3/23/2018 2:10:25 PM

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Dr. Yamilet Tirado is employed by Pediatric Specialists of America (PSA), the physician-led multispecialty group practice of Nicklaus Children’s Health System. She is a pediatric otolaryngologist/ear, nose and throat (ENT) specialist within the Division of Otolaryngology and sees patients at Nicklaus Children's Hospital and the Nicklaus Children's Aventura Care Center.