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. 2024 Jul;46(7):1015-1025.
doi: 10.1007/s00276-024-03393-y. Epub 2024 May 23.

Radiologic evaluation of the Vidian canal in the pediatric population

Baran Can Alpergin  1 , Orhan Beger  2 , Ömer Mert Özpişkin  3 , Engin Erdin  3 , Mustafa Cemil Kılınç  4 , Selen Alpergin  5 , Nur Muhammed Gündoğan  1 , Ebru Sena Çalışır  6 , Umit Eroglu  3
Affiliations

Radiologic evaluation of the Vidian canal in the pediatric population

Baran Can Alpergin et al. Surg Radiol Anat. 2024 Jul.

Abstract

Purpose: This examination aimed to display the size and topographic position of the Vidian canal (VC) in normal children.

Methods: 180 pediatric subjects aged 1-18 years were included this computed tomography examination. The distances of VC to certain landmarks, and VC length were measured. The locations of VC according to the sphenoid sinus, and the medial plate of pterygoid process were classified as three types, separately.

Results: The distances of VC to the vomerine crest, midsagittal plane, round foramen, and the superior wall of sphenoid sinus were measured as 12.68 ± 3.17 mm, 10.76 ± 2.52 mm, 8.62 ± 2.35 mm, and 14.16 ± 5.00 mm, respectively. The length and angle of VC were measured as 12.00 ± 2.52 mm, and 16.60 ± 9.76°, respectively. According to the sphenoid bone, VC location was identified as Type 1 in 113 sides (47.5%), as Type 2 in 70 sides (29.4%), and as Type 3 in 55 sides (23.1%). According to the medial plate of pterygoid process, VC location was identified as Type A in 274 sides (76.1%), as Type B in 55 sides (15.3%), and as Type C in 31 sides (8.6%). VC location types correlated with pediatric ages, but not sex or side.

Conclusion: With advancing pediatric age, the protrusion of VC into the sphenoid sinus increases, and VC shifts from medial to lateral side of the medial plate of pterygoid process.

Keywords: Children; Computed tomography; Pterygoid canal; Sphenoid sinus; Vidian canal; Vidian neurectomy.

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