Observational Study
Copyright ©The Author(s) 2021.
World J Orthop. May 18, 2021; 12(5): 310-319
Published online May 18, 2021. doi: 10.5312/wjo.v12.i5.310
Figure 1
Figure 1 Computed tomography image of the lumbar spine in the coronal plane. Bilateral double halo sign is evident as a radiolucent zone around pedicle screws surrounded by sclerotic bone.