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Related Experiment Video

Updated: Jun 5, 2026

Endoscopic Endonasal Trans-sphenoidal Approach: Minimally Invasive Surgery for Pituitary Adenomas
07:43

Endoscopic Endonasal Trans-sphenoidal Approach: Minimally Invasive Surgery for Pituitary Adenomas

Published on: January 17, 2018

Endoscopic transsphenoidal vidian neurectomy.

Jih-Chin Lee1, Chuan-Hsiang Kao, Chiang-Hung Hsu

  • 1Department of Otolaryngology-Head and Neck Surgery, Tri-Service General Hospital, National Defense Medical Center, 325, Cheng-Kung Road, Sec. 2, Neihu District, Taipei 114, Taiwan. doc30450@gmail.com

European Archives of Oto-Rhino-Laryngology : Official Journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : Affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery
|January 12, 2011
PubMed
Summary

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This study introduces a new endoscopic vidian neurectomy (EVN) technique using CT scans to classify the vidian canal. The method offers a safe and effective treatment for intractable rhinorrhea, with high patient satisfaction.

Area of Science:

  • Otolaryngology
  • Neurosurgery
  • Medical Imaging

Background:

  • Intractable rhinorrhea can significantly impact quality of life.
  • Endoscopic vidian neurectomy (EVN) is a surgical option for managing this condition.
  • Preoperative anatomical assessment is crucial for surgical planning.

Purpose of the Study:

  • To describe a novel endoscopic vidian neurectomy (EVN) technique.
  • To correlate EVN with preoperative computed tomography (CT) classification of the vidian canal (VC).
  • To present anatomical and surgical findings of this approach.

Main Methods:

  • Retrospective study of 89 patients undergoing CT-guided EVN from 2006-2010.
  • Classification of vidian canal configurations into three types based on CT findings.

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Last Updated: Jun 5, 2026

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  • Surgical technique adapted to each VC configuration.

    • Main Results:

    • The most common vidian canal configuration was type 2 (47%).
    • All patients achieved wide, direct, and safe exposure of the vidian nerve.
    • 91.7% of patients reported satisfaction with surgical outcomes after a mean follow-up of 19.6 months.

    Conclusions:

    • Preoperative CT classification of the vidian canal enables precise identification of the vidian nerve.
    • Endoscopic intrasphenoidal or transsphenoidal approaches provide an easy and reliable method for vidian neurectomy.
    • This CT-guided EVN technique is effective for treating intractable rhinorrhea with high patient satisfaction.