Fig. 3From: Clinical evaluation of the efficacy of a new bone cement-injectable cannulated pedicle screw in the treatment of spondylolysis-type lumbar spondylolisthesis with osteoporosis: a retrospective studyA 59Â years old female, BMD -2.7SD, treated with CICPS fixation by PMMA augmentation. A Preoperative radiographs showed L4 vertebral body was of level II forward slip, spondylolysis type. B and C No bone cement leakage was observed one week after surgery. D CT results indicated successful fusion six months after surgery that continuous bone callus passed in the intervertebral space of fusion. E and F 56Â months after the operation, CT showed good intervertebral fusion, no loosening or pulling out of screw was observedBack to article page