Study design Systematic review and meta-analysis. Aim The purpose of this study was to
compare the safety and accuracy of the C2 pedicle versus C2 pars screws placement and …

BACKGROUND C2 pedicle screw placement in patients with basilar invagination (BI) is
fraught with risks because of a high incidence of anatomical variations and high-riding …

Background Posterior atlantoaxial fixation with screw rod forms an approximate “II” shape or
“H” increasing transverse link for better stability. In order to improve stability and in …

Study Design. Retrospective observational study. Objective. The aim of this study was to
investigate the spinal cord safety margins for C2 instrumentation. Summary of Background …

There is no consensus regarding the optimal treatment for unstable hangman's fractures.
Conservative treatment, although time-consuming and associated with complications such …

Background: Due to high rates of anatomic variability of the C2 pedicle, thin-sliced pedicular-
oriented computed tomography (CT) and 3-dimensional reconstructive CT technologies …

Introduction This study examined the possible clinical utility of “parsicle screws” in securing
C2 instrumentation. Methods Ten patients' C2 vertebrae were virtually reconstructed using …

Background: The C2 transpedicular screw trajectory does not have an exact guideline for
the screw placement because the anatomical variation in this region could results in injury to …

Introducción: La inestabilidad atlantoaxial puede ser resultado de trauma, infección, artrosis
o malformaciones y con frecuencia requiere de fijación quirúrgica. Debido a la proximidad …

Introduction: Atlanto-axial instability can result from trauma, infection, atrosis, or
malformations and often require surgical fixation. Due to the proximity of the spinal cord, the …