Fig. 4From: Posterior lumbar interbody fusion for dysplastic lumbar spondylolisthesis with high-grade slippage in two adolescent siblings: two case reportsPosterior lumbar interbody fusion at L4/L5 and L5/S1 with reduction was performed on the younger brother with L4, L5, and S1 pedicle screws and S2 alar screws (a). Computed tomography indicated bony fusion between L5/S1 (b). MRI revealed that decompression was established (c–e) 5 years after surgeryBack to article page