Lateral Mass Fixation: New Technique

Document Type : Original Article

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The Department of Neurosurgery, Faculty of Medicine, Beni-Suef University

10.21608/mjcu.2025.464469

Abstract

Background: Anatomically, there is the cervical vertebrae in the cervical spine that are aligned with prominent cervical lordosis. The third, fourth, fifth, in addition to sixth cervical vertebrae have distinct features. The inferior and superior ar-ticular facets form the lateral mass, which positioned antero-lateral to the laminae. Aim of Study: To describe the safety and efficiency of a novel method for cervical spine stabilization using lateral mass fixation. Patients and Methods: A descriptive study was conducted using a cadaver specimen in the Anatomy Department Morgue, Beni Seuf University, in April 2025. The novel technique was performed and evaluated using postoperative CT imaging. Results: The entry point for screw insertion was 2 millim-eters medial and inferior to the midpoint of the superior facet line. Screws were directed 35° caudally and 20° laterally. CT scans confirmed appropriate placement within the lateral mass, with no cortical breaches. Application was limited to levels C4 to C6. Conclusion: The new lateral mass fixation technique shows potential as an alternative method for cervical stabiliza-tion but requires further studies for validation and refinement.

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