Related Experiment Video
Updated: Oct 18, 2025
Quantification of Optic Nerve Cross Sectional Area on MRI: A Novel Protocol using Fiji Software
Published on: September 4, 2021
Optic Canal Diameters According to Age in the Pediatric Population
Purpose:
To determine the normal range of optic canal diameters in the Turkish pediatric population.
Methods:
Brain, orbital, and maxillofacial computed tomography examinations were evaluated retrospectively. Children with cranial bone disorders affecting the bone structure of the optic canal were excluded from the study. Oblique axial and oblique sagittal multiplanar reformatted images were created in accordance with the axis of the optic canal on both sides, and measurements were taken from the shortest transverse and craniocaudal diameters of the optic canal in these images.
Results:
Two hundred computed tomography examinations were evaluated. One hundred two of the patients were female and the rest were male. Patient ages ranged from 1 to 211 months (mean ± standard deviation: 86.42 ± 65.39 months). There was no significant difference between the transverse and craniocaudal optic canal diameters between sexes (P > .05). Therefore, the analyses were reevaluated in the entire patient series, regardless of sex. No significant correlation was found in the correlation test performed between optic canal diameters according to the age of the patients. No statistically significant difference was observed between the right and left optic canal diameters.
Conclusions:
The determination of normal values of tissues, structures, and organs that differs with age has an important role in pediatric radiology. The authors believe that the determination of normal optic canal diameters according to certain age groups will meet the needs of daily practice. [.
