Fig. 3From: Clinical and radiological outcomes in patients who underwent posterior lumbar interbody fusion: comparisons between unilateral and bilateral cage insertionIllustrative cases showing the solid fusion following bilateral cage insertion. a A 55-year-old male patient with low back pain with sciatica (BMD T-score − 1.6). MRI (T2-weighted sagittal and axial) showed severe central stenosis with degenerative spondylolisthesis. b No radiolucency was observed in the postoperative 1-year plain radiograph. c Solid fusion was observed in the 1-year CT sagittal reconstruction imageBack to article page