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Paranasal sinus development and choanal atresia
1Department of Otolaryngology, Emory University School of Medicine, Atlanta, GA 30322, USA.
Archives of Otolaryngology--Head & Neck Surgery
|February 19, 2000
Summary
Choanal atresia, a blockage of the posterior nasal choana, does not appear to impact maxillary sinus development or sinusitis. This study found no significant differences in sinus size or inflammation between affected and unaffected sides.
Area of Science:
- Pediatric Otolaryngology
- Craniofacial Development
- Sinonasal Disease
Background:
- The factors influencing paranasal sinus development and sinusitis remain unclear.
- Blockage of the posterior nasal choana (choanal atresia) is a potential contributing factor.
Purpose of the Study:
- To investigate the relationship between unilateral choanal atresia and maxillary sinus development and sinusitis.
- To determine if posterior nasal drainage impacts sinus health.
Main Methods:
- Retrospective study of 16 children with isolated unilateral congenital choanal atresia.
- Analysis of preoperative computed tomography (CT) scans.
- Measurement of maxillary sinus volumes and assessment of mucoperiosteal thickening.
Main Results:
- Maxillary sinuses on the side of choanal atresia showed slightly larger volumes compared to the contralateral side.
- Mucoperiosteal thickening was similar in sinuses ipsilateral and contralateral to the atresia.
- No significant differences in sinus volume or inflammation were observed based on choanal atresia.
Conclusions:
- Maxillary sinus development appears independent of posterior nasal ventilation and drainage.
- Sinusitis development is also likely independent of posterior nasal airflow.
- Congenital choanal atresia does not significantly affect maxillary sinus growth or pathology.