Case Report
Copyright ©The Author(s) 2023.
World J Orthop. Aug 18, 2023; 14(8): 651-661
Published online Aug 18, 2023. doi: 10.5312/wjo.v14.i8.651
Figure 4
Figure 4 Intraoperative photographs during revision surgery showing metallic grey-stained tissue surrounding bilateral L3 to L5 polyaxial screw heads. The most prominent staining occurred at A: Left L4 screw (indicated by the arrow); B: Right L4 screw (indicated by the arrow).