1Ankylosed hip and total hip replacementYANG Chong-fei, ZHU Qing-shengEditorial881-8852Effects of sagittal pelvis deformity on the orientation of the acetabular component in patients with ankylosing spondylitis in total hip arthroplastyPENG Yang, CHEN Guang-xing, CHEN Hao, XIONG Ran, YANG LiuHip surgery886-8923Total hip arthroplasty following hip infection combined with ankylosisREN Jiang-dong, Wuhuzi · Wulamu, Nuerailijiang · Yushan, Asihaerjiang · MaimaitiyimingHip surgery893-8994Management of acetabular deficiency in total hip arthroplasty:a report of 48 casesJIANG Jin-tao, CAO Xiao-rui, YANG Chong-fei, ZHU Qing-shengHip surgery900-9075Total hip arthroplasty in adults with severe osteoarthritis and ankylosis secondary to hip suppurative infectionZENG Yi, ZHONG Hang, YIN Shi-jiu, MU Ping, SUN Bang-jie, LI Yong-shi, CHEN Hong, YANG JingHip surgery908-9136Application of bone-paste compressed grafting in the repair of acetabular defects in total hip arthroplasty for hip dysplasiaLIU Lin, HU Shou-ye, PENG Kan, YANG Zhi, LU Chao, HOU Wei-kun, XU PengHip surgery914-9197Effects of proximal femoral shape on leg length discrepancy after total hip arthroplastyCUI Yong-kang, BAI Xi-zhuangOriginal article920-9248Clinical results and analysis of osteophyte removal within lateral spinal canal through posterior percutaneous endoscopic cervical discectomyLI Rui, WANG Guang-lin, REN Jia-bin, LIU Xin, WANG Hong-yan, SUN Ning, HUANG Zhen, SUN Zhao-zhongOriginal article925-9309LncRNA HOTAIR regulates the osteoarthritis chondrocyte proliferation and differentiation through miR-130a-3pSUN Qiang, ZHAO Yi-nan, WANG Yuan-rui, ZHANG Da-weiOriginal article931-93710Correlation between different measurement methods of tibial plateau obliquity in patients with knee osteoarthritisNING Dong-fang, SU Wei, YAO Shun-han, MA Shi-ting, WEI Hua-chengClinical research and practice938-94311Clinical evaluation of anterior cruciate ligament reconstruction by mixture autograft of anterior-half peroneus longus tendon and hamstring tendonTANG Jian, LI Bai-chuan, TANG Zhong-fei, XIE Da-wangClinical research and practice944-94712Clinical value of 16S rRNA gene sequencing in diagnosing childhood bone infection pathogensGAN Chi, CAO Qing, MO Xi, TAO YueClinical research and practice948-95113Femoral neck fracture after hyperparathyroidism:1 case reportCHU Guo-qing, PENG Yun-dong, CHU Guo-rui, NAI Chang-linCase report952-95314Application of patient-specific instrumentation in knee arthroplastySUN Chang-jiao, HOU Ning, LI Hui-min, CAI XuReview954-95815Research progress on the patella management in total knee arthroplastyLü Peng-fei, GUAN Zhen-pengReview958-961 