Calculated Brain CT Angiography Volumes of Lacrimal Glands in Normal Korean Orbits

Seoung Hyun An; Sang Wook Jin; Won Seok Yang; Hee Bae Ahn

doi:10.3341/jkos.2014.55.10.1413

Journal List > J Korean Ophthalmol Soc > v.55(10) > 1009797

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An, Jin, Yang, and Ahn: Calculated Brain CT Angiography Volumes of Lacrimal Glands in Normal Korean Orbits

Original Article

J Korean Ophthalmol Soc 2014;55(10):1413-1417.

Published online: 2 September 2014

DOI: https://doi.org/10.3341/jkos.2014.55.10.1413

Calculated Brain CT Angiography Volumes of Lacrimal Glands in Normal Korean Orbits

Seoung Hyun An, MD¹, Sang Wook Jin, MD¹, Won Seok Yang, MD, PhD², Hee Bae Ahn, MD, PhD¹

¹Department of Ophthalmology, Dong-A University College of Medicine, Busan, Korea

²Department of Radiology, Dong-A University Hospital², Busan, Korea

Address reprint requests to Hee Bae Ahn, MD, PhD, Department of Ophthalmology, Dong-A University Hospital, #26 Daesingongwon-ro, Seo-gu, Busan 602-715, Korea, Tel: 82-51-240-5227, Fax: 82-51-254-1987 E-mail: hbahn@dau.ac.kr

Received 31 May 2014 Revised 20 June 2014 Accepted 17 September 2014

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Purpose

To determine the size range of lacrimal glands calculated from Brain CT angiography.

Methods

A retrospective review of 107 CT scans of 214 orbits was performed. Aquaris Intuition Viewer software was used to calculate the volumes.

Results

The mean volume of the lacrimal gland was 0.655 cm³ in right orbits and 0.595 cm³ in left orbits, 0.616 cm³ in men and 0.625 cm³ in women. There was a significant difference between right and left (p = 0.012) but no difference between men and women (p = 0.725). Linear regression analyses revealed that there was an inverse relationship between gland volume and age (Pearson r = −0.433, p < 0.001).

Conclusions

This is the first study to report the normal volume range of Korean lacrimal glands as measured by CT scans. A difference was detected in the volume between right and left lacrimal glands. The volume of the lacrimal gland decreased with age, and there were no gender differences.

Keywords: Computed tomography, Korean orbits, Lacrimal gland volume

References

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Figure 1.

Coronal and axial view (brain CT angiography) on the Aquarlius intuition viewer with the entire lacrimal gland outlined. R = right; L = left; P = posterior.

Figure 2.

Lacrimal gland volume versus patients age.

Table 1.

Comparison of right and left lacrimal gland volume

	Lacrimal gland volume (cm³)
Right orbits	0.655 ± 0.145
Left orbits	0.595 ± 0.161
p-value^*	0.012

Values are presented as mean ± SD.

^* 2-sample t-test.

Table 2.

Descriptive statics for lacrimal gland volume of right and left orbits in cubic centimeters

			Percentiles
Measurement	Mean	SD	5%	10%	25%	50%	75%	90%	95%
Right orbits	0.655	0.146	0.393	0.482	0.559	0.648	0.741	0.836	0.887
Left orbits	0.595	0.162	0.328	0.380	0.477	0.611	0.704	0.804	0.865

Table 3.

Comparison of men and women lacrimal gland volume

	Lacrimal gland volume (cm³)
Men	0.616 ± 0.166
Women	0.625 ± 0.149
p-value^*	0.725

Values are presented as mean ± SD.

^* 2-sample t-test.

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