Comparison of transforaminal lumbar interbody fusion using the boomerang-shaped cage with traditional posterior lumbar interbody fusion for lumbar spondylolisthesis

Introduction This study aimed to compare the clinical and radiological results of transforaminal lumbar interbody fusion (TLIF) with a boomerang-shaped cage and traditional posterior lumbar interbody fusion (PLIF) according to fused level and elucidate whether TLIF could replace PLIF at all lumbar levels.