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C-2 anterior plate-screw fixation: a quantitative anatomical and morphometric evaluation
M Senoglu1, D Ozbag, Y Gumusalan
1Department ofNeurosurgery, Kahramanmaras Sutcuimam Universitesi, Faculty of Medicine, Kahramanmaras, Turkey. mehmetsenoglu@hotmail.com
Bratislavske Lekarske Listy
|December 4, 2010
Summary
Anterior plate-screw fixation of the C2 spine is uncommon. This study measured C2 vertebral body anatomy, providing crucial data for optimal screw length and trajectory in anterior C2 spine surgery.
Area of Science:
- Neurosurgery
- Orthopedic Surgery
- Spinal Anatomy
Background:
- Anterior plate-screw fixation is standard in cervical spine surgery.
- Fixation of the C2 (axis) vertebra via the anterior approach is less common.
- Understanding C2 anatomy is critical for safe and effective anterior fixation.
Purpose of the Study:
- To analyze the anatomical dimensions of the C2 vertebral body.
- To determine optimal screw length and trajectory for anterior C2 plate-screw fixation.
- To provide surgical guidelines for anterior C2 spinal procedures.
Main Methods:
- Direct evaluation of 86 dried C2 vertebrae.
- Measurement of C2 body width and midsagittal anteroposterior (AP) depth.
- Measurement of parasagittal depths with medial and lateral inclinations.
Main Results:
- Determined the ideal maximum screw length based on AP medial parasagittal depth of the inferior C2 body.
- Right C2: 13.7 +/- 1.4 mm (11.0-17.9 mm).
- Left C2: 13.6 +/- 1.5 mm (10.7-17.8 mm).
Conclusions:
- Presents key measurements of the C2 vertebral body.
- These anatomical data offer guidelines for anterior C2 spine surgery.
- Aims to enhance surgeon confidence and improve surgical outcomes.
