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Related Experiment Video

Updated: Jul 15, 2026

Techniques of Endoscopic Ossiculoplasty
09:07

Techniques of Endoscopic Ossiculoplasty

Published on: January 26, 2024

Pure endoscopic endonasal odontoidectomy: anatomical study.

Andrea Messina1, Maria Carmela Bruno, Philippe Decq

  • 1Department of Neurological Sciences, Division of Neurosurgery, Università degli Studi di Napoli Federico II, Via Sergio Pansini, 5, 80131, Naples, Italy.

Neurosurgical Review
|May 12, 2007
PubMed
Summary

This study explores a new endoscopic endonasal approach for anterior cervico-medullary decompression. This technique offers a potential alternative to traditional transoral surgery for irreducible atlanto-axial dislocation.

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Area of Science:

  • Neurosurgery
  • Anatomy
  • Endoscopic Surgery

Background:

  • Irreducible atlanto-axial dislocation can cause ventral spinal cord compression.
  • The transoral resection of the odontoid process is a common surgical treatment.
  • Alternative minimally invasive approaches are needed for anterior cervico-medullary decompression.

Purpose of the Study:

  • To demonstrate the feasibility of an anterior cervico-medullary decompression via an endoscopic endonasal approach.
  • To evaluate this novel technique as an alternative to the transoral approach for odontoidectomy.

Main Methods:

  • Anatomical study using three fresh cadaver heads.
  • Modified endoscopic endonasal approach with a 4 mm, 0-degree rigid endoscope.
  • Dissection through the nasal cavity to access the cranio-vertebral junction.

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Last Updated: Jul 15, 2026

Techniques of Endoscopic Ossiculoplasty
09:07

Techniques of Endoscopic Ossiculoplasty

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Main Results:

  • Successful access to the cranio-vertebral junction was achieved via a lower trajectory than for sellar region approaches.
  • Resection of the anterior arch of the atlas and odontoid process of C2 exposed the dura mater.
  • A mucosal flap from the rhinopharynx was obtained for closure.

Conclusions:

  • The endoscopic endonasal approach is a viable alternative for anterior odontoidectomy.
  • This technique allows for anterior cervico-medullary decompression in cases of irreducible atlanto-axial dislocation.
  • Further research may validate this approach in clinical settings.