C2 Laminar screw—screw assembly for the cranio-cervical junction - Summary - MDSpire

C2 Laminar screw—screw assembly for the cranio-cervical junction

  • By

  • Wei Song

  • Haihong Zhang

  • Jing Wang

  • June 15, 2026

  • 0 min

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Objective:

To introduce a new laminar screw-screw fixation technique for treating atlantoaxial dislocation, particularly in patients with anatomical variations in the atlas and axis.

Approach:
    Key Findings:
    • The C2 laminar screw fixation technique minimizes the risk of vertebral artery injury.
    • This method allows for direct visualization of screw placement during surgery.
    • The technique addresses challenges in aligning screw heads across segments, improving overall surgical outcomes.
    Interpretation:

    The C2 laminar screw fixation technique is a viable alternative for patients with anatomical variations that complicate traditional fixation methods.

    Limitations:
    • The article does not detail the procedure for placing atlas lateral mass screws, which may limit understanding of the technique.
    • Challenges in rod connection due to misalignment of screw heads may still exist, potentially complicating the surgical process.
    Conclusion:

    The C2 laminar screw fixation technique enhances stability and minimizes risks associated with traditional methods, offering a promising alternative for patients with anatomical variations.

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