1Recent advances and future directions in the treatment of osteosarcoma and Ewing sarcoma: insights from 2017National Comprehensive Cancer Network bone cancer guideline updateBAO Qi-yuan, WANG Ji-zhuang, WEN Jun-xiang, SHEN Yu-hui, ZHANG Wei-binEditorial1-32Development and prospect of 3Dprinting technique in bone tumorsFU Ling-jie, HAO Yong-qiangSpecial article4-63A multi-center retrospective study on the clinical prognosis of limb osteosarcomaHAN Jia, YU Yi-yang, WU Su-jia, WANG Zhen, ZHANG Wei-bin, ZHAO Ming, YAO Yang, HU Yong-cheng, WANG Wen-jian, LIU Xiao-zhou, YU Wen-xi, CHENG Jie, YU Li-li, BAO Qi-yuan, YU Xiu-chun, ZHANG Guo-chuanBone neoplasms7-134The analysis of five patients for pelvic radiation-induced sarcomaWANG Chong-ren, HUA Ying-qi, SUN Wei, SHEN Jia-kang, SUN Meng-xiong, FU Ze-ze, ZHOU Cheng-hao, CAI Zheng-dongBone neoplasms14-195Correlation between new bone lesions and primary tumors in patients with a single known malignancy for90 cases of biopsyZHANG Liang, CHEN Zi-xian, WANG Yi-chao, GU Yu-tongBone neoplasms20-246Plate-prosthesis composite reconstruction after large segmental resection of proximal humeral tumorsWEI Ran, GUO Wei, YANG Rong-li, TANG Xiao-dong, YAN Tai-qiang, LI Da-sen, YANG Yi, JI TaoBone neoplasms25-327The treatment of giant cell tumors of the patellaQIAO Su-chi, XIAO Lei, LIU Chang, LI Cheng, WANG Zhi-wei, XU Wei-dongBone neoplasms33-378Long-term effects of radiotherapy in situ for limb salvage in patients with osteosarcomaSONG Jian-min, LI JingBone neoplasms38-409New progress of common primary bone tumorsCHEN Jian, SUN Wei, HUA Ying-qi, CAI Zheng-dongReview41-4510Advanced progress on the treatment of multiple myelomaLIU Yu-jie, HE Shao-hui, WANG Da, JIANG Dong-jie, YANG Xing-hai, XU Wei, WEI Hai-feng, XIAO Jian-ruReview46-4911A literature review of mirror handZHONG Wen-yao, TIAN WenReview50-5412Research progress in integrin - mediated mechanochemical transduction pathway for repair mechanism of articular cartilageZHANG Ting-ting, LI Xue-pingReview54-5913Clinical features and management of Gorham's disease:a report of 6 casesLIAO Feng, LIU Wei-feng, XU Hai-rong, NIU Xiao-huiOriginal article60-6514The clinical value of MRI in diagnosing high-grade from low-grade chondrosarcoma in long bonesZENG Yan-ni, SONG Ting, ZHANG Bo-tian, CHENG Xiao-guangOriginal article66-7115Early clinical efficacy of bone filling mesh for vertebral metastases with posterior vertebral wall breakageJIA Pu, CHEN Hao, BAO Li, FENG Fei, LI Jin-jun, TANG HaiClinical research and practice72-7616Effects of progressive resistance exercises on bone metabolic markers in patients with postmenopausal osteoporosisLI Li-juan, BIE Ming-bo, ZHANG Zong-xin, WANG Yao, TANG Da-shuaiClinical research and practice77-80 