Korean J Otorhinolaryngol-Head Neck Surg.  2014 Nov;57(11):766-768. 10.3342/kjorl-hns.2014.57.11.766.

A Measurement of the Frontal Sinus Ostium Using the Sagittal Images of Computed Tomography

• Yoo SW
• Sim YC
• Jeong HM
• Lee JH

• KMID: 1963755
• DOI: http://doi.org/10.3342/kjorl-hns.2014.57.11.766

Abstract

BACKGROUND AND OBJECTIVES
Endoscopic management of frontal sinus disease remains a difficult task. In order to minimize the risk of intracranial complication, easily identifiable landmarks and measurements should be required. This study aims to identify standard distances from the columella to the anterior and posterior borders of the frontal sinus ostium in Korean men and women.
SUBJECTS AND METHOD
We obtained the sagittal images taken from 30 men and 30 women. Measurements from the columella to the nasofrontal beak (NFB) and anterior skull base (ASB) were made. Also, the angle between the lines of the columella to the ASB and hard palate was measured.
RESULTS
The mean distance from the columella to the NFB was 55.3+/-3.9 mm in men and 52.1+/-4.7 mm in women (p<0.01). The mean distance from the columella to the ASB was 62.1+/-4.5 mm in men and 59.0+/-4.7 mm in women (p<0.01). The mean angle between the lines of the columella to the ASB and hard palate was 71.8+/-4.5degrees in men and 70.7+/-4.6degrees in women (p>0.05).
CONCLUSION
This study suggests sinus surgeons to stay a distance from the columella of less than 57.6 mm in men and 54.3 mm in women to minimize skull base injury.

Keyword

Endoscopy; Frontal sinus; Measurement; Radiology; Surgery

MeSH Terms

Animals
Beak
Endoscopy
Female
Frontal Sinus*
Humans
Male
Palate, Hard
Skull Base