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Articulations of the Vertebral Column

Articulations of the Vertebral Column

In addition to being held together by the intervertebral discs, adjacent vertebrae also articulate with each other at synovial joints formed between the superior and inferior articular processes called zygapophysial joints (facet joints). These are plane joints that provide for only limited motions between the vertebrae. The orientation of the articular processes at these joints varies in different regions of the vertebral column and serves to determine the types of motions available in each...

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Related Experiment Video

Updated: Jun 9, 2026

Minimally Invasive Treatment for Thoracolumbar Burst Fracture Using Sagittal Alignment Screws and A Trauma Reduction Device

Minimally Invasive Treatment for Thoracolumbar Burst Fracture Using Sagittal Alignment Screws and A Trauma Reduction Device

Published on: November 8, 2024

Atlantoaxial stabilization utilizing atlas translaminar fixation.

Ali A Baaj¹, Frank D Vrionis

¹Department of Neurosurgery, College of Medicine, University of South Florida, Tampa, Florida 33606, USA. abaaj@hsc.usf.edu

Journal of Clinical Neuroscience : Official Journal of the Neurosurgical Society of Australasia

|August 31, 2010

Summary

Atlantoaxial instability from tumors can be serious. A new atlas translaminar fixation technique offers a stable alternative when C1 lateral masses are compromised by tumors.

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Published on: August 6, 2019

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Last Updated: Jun 9, 2026

Minimally Invasive Treatment for Thoracolumbar Burst Fracture Using Sagittal Alignment Screws and A Trauma Reduction Device

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Published on: November 8, 2024

Cone Beam Intraoperative Computed Tomography-based Image Guidance for Minimally Invasive Transforaminal Interbody Fusion

Cone Beam Intraoperative Computed Tomography-based Image Guidance for Minimally Invasive Transforaminal Interbody Fusion

Published on: August 6, 2019

Area of Science:

Neurosurgery
Orthopedic Surgery
Oncology

Background:

Atlantoaxial instability, often caused by tumor invasion of the upper cervical spine, presents significant surgical challenges.
Limited bony elements and proximity to neurovascular structures make atlantoaxial stabilization technically demanding.
C1 lateral masses are typical fixation points, but tumor destruction can preclude their use.

Observation:

A 54-year-old female patient with a destructive metastatic lesion in a C1 lateral mass required atlantoaxial stabilization.
The compromised C1 lateral mass prevented its use as a standard fixation point.

Findings:

An alternative surgical technique utilizing the contralateral hemilamina of the atlas for screw fixation was successfully employed.
This novel approach provided immediate and stable atlantoaxial construct.

Implications:

Atlas translaminar fixation is a viable and effective alternative for atlantoaxial stabilization when C1 lateral masses are not available for fixation.
This technique expands surgical options for managing complex upper cervical spine pathologies.
Offers potential for improved patient outcomes in cases of tumor-induced instability.