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Surgical and Radiologic Anatomy
Published in: Surgical and Radiologic Anatomy 9/2020

01-09-2020 | Original Article

Morphometric assessment of important landmarks on skull intended for Vidian nerve surgery

Authors: Hulya Ucerler, Zuhre Asli Aktan Ikiz, Mustafa Deniz Yoruk, Erengul Boduc, Lokman Ozturk

Published in: Surgical and Radiologic Anatomy | Issue 9/2020

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Abstract

Purpose

The aim of our study was to determine guide parameters for clinicians by morphometric assessment of important landmarks on cranium intended for Vidian nerve surgery.

Methods

For the study, 23 half-skull bases, 40 skull bases and 40 skulls were obtained from the Department of Anatomy, Ege University Medicine Faculty. The vertical distances were measured using a digital caliper to the nearest 0.01 mm.

Results

The anterior opening of the Vidian canal (pterygoid canal) was observed as oval shaped on 57 specimens (31.1%), funnel shaped on 58 specimens (31.7%), round shaped on 64 specimens (35%) and septated on 4 specimens (2.2%). Vidian canal was embedded into the body of sphenoid on 55 specimens (52.4%) (embedded type) and protruded to sphenoidal sinus on 50 specimens (47.6%) (protruded type). 21 specimens of 50 were partial and 29 specimens were total. There were dehiscences on 21 specimens of 50 protruded type on the base of sphenoidal sinus (20%). Anterior opening of the Vidian canal was assessed according to medial lamina of pterygoid process. It was located medially in 169 of the specimens (92.3%) and laterally in 14 specimens (7.7%).

Conclusion

Vidian canal and Vidian nerve are deeply located structures on skull. Vidian canal and surrounding structures are important landmarks for microsurgery and endoscopic approaches to Vidian nerve. We consider that knowledge of anatomical features of Vidian canal and preoperative imaging by CT (computed tomography) will be supportive when choosing and planning a safe surgical approach.
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Metadata
Title
Morphometric assessment of important landmarks on skull intended for Vidian nerve surgery
Authors
Hulya Ucerler
Zuhre Asli Aktan Ikiz
Mustafa Deniz Yoruk
Erengul Boduc
Lokman Ozturk
Publication date
01-09-2020
Publisher
Springer Paris
Published in
Surgical and Radiologic Anatomy / Issue 9/2020
Print ISSN: 0930-1038
Electronic ISSN: 1279-8517
DOI
https://doi.org/10.1007/s00276-020-02516-5

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