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Related Experiment Videos

How frequent are accessory sinus ostia?

M Jog1, G W McGarry

  • 1Department of Otolaryngology, Head and Neck Surgery, Glasgow Royal Infirmary University NHS Trust, Glasgow, UK. mandar_jog@hotmail.com

The Journal of Laryngology and Otology
|June 21, 2003
PubMed
Summary

Accessory sinus ostia (ASO) were found in 4% of patients. Rhinology patients, particularly those with sinusitis or rhinitis, showed a higher prevalence of ASO compared to general ENT controls.

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Area of Science:

  • Otolaryngology
  • Rhinosinusology
  • Anatomy

Background:

  • Accessory sinus ostia (ASO) prevalence estimates vary widely (4-50%) based on prior studies.
  • No prior study specifically focused on determining ASO prevalence.
  • Existing data stems from incidental findings or uncontrolled observations.

Purpose of the Study:

  • To prospectively determine the prevalence of accessory sinus ostia (ASO).
  • To compare ASO prevalence between rhinology patients and general ENT controls.
  • To investigate the association between ASO and sinonasal diseases like rhinitis and sinusitis.

Main Methods:

  • Prospective cohort study design.
  • Patient recruitment from rhinology clinics and general Ear, Nose, and Throat (ENT) clinics.
  • Systematic assessment for the presence of ASO in all participants.

Main Results:

  • Overall ASO prevalence was 4% in this study.
  • Rhinology patients exhibited a 7% ASO prevalence, while general ENT controls showed 2%.
  • Patients with rhinitis or sinusitis had an 8% ASO prevalence, significantly higher than controls (p<0.05).

Conclusions:

  • The overall ASO prevalence in this study is lower than previously reported estimates.
  • A statistically significant increase in ASO prevalence was observed in patients with rhinitis or sinusitis.
  • Further research is warranted to explore the relationship between ASO and sinonasal pathology.

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