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PubMed This is a summary of 47 peer-reviewed journal articles Updated
Pediatrics · Unilateral Choanal Atresia

Navigating Unilateral Choanal Atresia: A Guide for Parents

At a Glance

Unilateral choanal atresia is a congenital condition where one nasal passage is blocked by bone or tissue. It is often misdiagnosed as allergies since children can breathe through the open nostril. Treatment requires surgical repair to open the airway, followed by monitoring for re-narrowing.

Discovering that your child has been living with an undiagnosed anatomical blockage can be overwhelming. Whether your child has just been diagnosed with unilateral choanal atresia or you are preparing for their surgical repair, this guide is designed to give you the clarity and confidence you need to advocate for their care.

Unilateral choanal atresia is a congenital condition—meaning it is present at birth—where the back of one nasal passage is blocked by abnormal bone or tissue [1]. Because children can breathe through their other open nostril, this condition is famously known for “hiding in plain sight” and is often mistaken for chronic allergies or recurring infections [2].

You are not alone in this diagnosis, and a delayed discovery is not a failure on your part.

How to Use This Guide

This resource breaks down the complex medical information into actionable steps. We encourage you to read through the sections to understand the condition, prepare for surgical consultations, and learn what to expect during recovery.

01

Understanding Unilateral Choanal Atresia: Why Was It Missed?

Learn why unilateral choanal atresia often goes undiagnosed in children for years. Understand symptoms like one-sided nasal discharge and treatment options.

02

Anatomy, Diagnosis, and Associated Syndromes

Learn about unilateral choanal atresia anatomy, diagnostic CT scans, and why standard pediatric screenings for associated conditions like CHARGE are important.

03

Treatment and Surgical Strategy

Learn about surgical treatments for unilateral choanal atresia. Understand the transnasal endoscopic approach, mucosal flaps, and stentless recovery options.

04

Post-Op Care, Monitoring, and the Risk of Restenosis

Learn what to expect during unilateral choanal atresia post-op recovery. Understand home care, signs of restenosis, and follow-up endoscopy procedures.

By understanding the “why” and “how” of unilateral choanal atresia, you transition from a passenger in your child’s healthcare journey to an informed, active participant in their medical team.

Common questions in this guide

What is unilateral choanal atresia?
It is a congenital condition, meaning it is present at birth, where the back of one nasal passage is blocked by abnormal bone or tissue. Because the child can still breathe through the open nostril, it can easily go unnoticed.
Why is unilateral choanal atresia often mistaken for allergies?
Since one nostril remains open, the child can still breathe, which masks the underlying anatomical blockage. The persistent drainage or congestion on the blocked side frequently looks like chronic allergies or recurring sinus infections to parents and pediatricians.
How is choanal atresia diagnosed?
Doctors typically diagnose this condition using a CT scan. This imaging test helps specialists see exactly what the blockage is made of and precisely plan the surgical repair.
Will my child need genetic testing?
Yes, routine genetic screenings are standard practice when a child is diagnosed with choanal atresia. This helps the medical team check for associated syndromes that can sometimes occur alongside the nasal blockage.
What is restenosis after choanal atresia surgery?
Restenosis is the risk of the surgically opened nasal passage narrowing or blocking again as it heals. Your child's care team will monitor them closely after surgery to ensure the passage remains completely open.

Questions to Ask Your Doctor

Curated prompts to bring to your next appointment.

  1. 1.What experience does your team have with diagnosing and treating unilateral choanal atresia in children?
  2. 2.Can you provide a roadmap of the specialists my child will need to see over the next few months?
  3. 3.Who is my primary contact on the care team if I notice changes in my child's breathing or symptoms?

Questions For You

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References

References (2)
  1. 1

    Bilateral choanal atresia diagnosed in a 3-month-old female baby: a case report.

    Abraham ZS, Kahinga AA

    Annals of medicine and surgery (2012) 2023; (85(4)):1227-1230 doi:10.1097/MS9.0000000000000484.

    PMID: 37113842
  2. 2

    Unilateral choanal atresia and a co-existent long-standing medium-sized ipsilateral rhinolith in a 15-year old boy: Case report and literature review.

    Abraham ZS, Kahinga AA

    International journal of surgery case reports 2023; (105()):107999 doi:10.1016/j.ijscr.2023.107999.

    PMID: 36940543

This guide is for informational purposes only and does not replace professional medical advice. Always consult your child's pediatrician or ENT specialist regarding diagnosis and surgical care for choanal atresia.

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