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Fig. 1 | Journal of Orthopaedic Surgery and Research

Fig. 1

From: Risk factor analysis of disc and facet joint degeneration after intersegmental pedicle screw fixation for lumbar spondylolysis

Fig. 1

Preoperative and postoperative images obtained in a 21-year-old man with L5 spondylolysis. ac Preoperative radiographs, CT scan and MRI. d One-week postoperative radiographs. e 12-Month follow-up CT scan showed bilateral bony union of the pars defect. f 15-Month postoperative MRI. g 15-Month postoperative radiographs showed that the lumbar instrumentations had been removed. hi 15-Month postoperative CT scan and MRI

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