Abstract
Received May 26, 2014 Revised July 15, 2014 Accepted July 16, 2014 Address for correspondence Jae Hoon Lee, MD, PhD Department of OtolaryngologyHead & Neck Surgery, Institute of Wonkwang Medical Science, School of Medicine, Wonkwang University, 895 Muwang-ro, Iksan 570-711, Korea Tel +82-63-859-1441 Fax +82-63-841-6556 E-mail leejaehoon64@gmail.com Background and ObjectivesZZEndoscopic 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 MethodZZWe 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. ResultsZZThe 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 0.05). ConclusionZZThis 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. Korean J Otorhinolaryngol-Head Neck Surg 2014;57(11):766-8
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