1To improve treatment in complicated atlantoaxial dislocationYIN Qing-shui165-1662Surgical treatments for irreducible atlantoaxial dislocationSONG Yue-ming167-1713One stage anterior release and posterior fusion for the treatment of irreducible atlantoaxial dislocation secondary to os odontoideumREN Xian-jun, WANG Wei-dong, JIANG Tao172-1754Atlantoaxial joint fusion using anterior transarticular screw fixation and bone grafting for atlantoaxial joint instabilityWANG Wen-jun, YAN Yi-guo, CAI Bin, WANG Lu-shan, WANG Xiang-dong176-1805The application of C1-C2 pedicle screw internal fixation on the upper cervical diseases of childrenXIA Hong, AI Fu-zhi, WANG Jian-hua, MA Xiang-yang, ZHANG Kai, WANG Zhi-yun, WU Zeng-hui, YIN Qing-shui181-1856The surgical strategy of upper cervical dumbbell tumorsYANG Xing-hai, XIAO Jian-ru, WU Zhi-peng, FENG Da-peng, ZHOU Zhen-hua, HUANG Quan, CHEN Hua-jiang, LIU Tie-long, YAN Wang-jun, YUAN Wen, JIA Lian-shun186-1907Submandibular retropharyngeal cervical vertebra hook-plate for the treatment of C2 vertebral body tumorsYAN Yi-guo, WANG Wen-jun, CAI Bin, HU Wen-kai, WANG Lu-shan, SONG Xi-zheng, ZHAO Yan-sheng191-1958Analysis of differences between anatomic and CT measurements for anterior axial pedicle screw placementZHENG Yi, WU Zeng-hui, YIN Ji-lin, YIN Qing-shui196-1999Two cases of syringomyelia following the fractures of odontoid processYAN Ming, WANG Chao, YU Yang, WANG Sheng-lin200-20310Posterior articular process approach for the treatment of upper lumbar disc herniationXIANG Liang-bi, LIU Jun, CHEN Yu, YU Hai-long, CAO Yan204-20711Clinical observation of bone graft impaction on posterior intervertebral body fusion for lumbar spondylolisthesisTANG Xiang-sheng, TAN Ming-sheng, YI Ping, YANG Feng208-21112Stability reconstruction after resections of primary malignant spinal tumorsDU Kai-li, PENG Yan, ZHANG Liang-ming, ZHANG Xin-liang, LIANG An-jing, HUANG Dong-sheng212-21713MIPPO technique and LCP internal fixation for open tibial shaft fracturesZOU Hai-bing, YU Zhi-hong, ZHANG Qing-song, SUN Zhi-bo, ZHANG Gong-li218-22014Humeral head replacement and individualized rehabilitation for displaced four-part fractures of proximal humerusLIU Yu, ZHONG Wei-bin, LI Ju-gen221-22515Design of nano-piezoelectric immunosensor array to detect bone sialoproteinCHEN Yu, WANG Jie, LIU Zhong-ming226-23016New type of adjustable external fixator with reduction gasbag and spinal brace for treatment of thoracolumbar fracturesCHEN Gan-feng, LIANG Bi-ru, JIAN Shao-feng231-23317Current clinical application of non-fusion techniques for lumbar intervertebral disc degenerationGU Hong-lon, ZHAN Shi-qiang234-237 