Establishment process of bone and soft tissue database of Beijing Jishuitan Hospital：nearly 20 years experienceNIU Xiao-hui, LI Yuan, XU Hai-rong654-658
Clinical epidemiology of benign forearm bone tumors：215 cases analysisSUN Yang, LI Yuan, JIN Tao, LIU Wei-feng, NIU Xiao-hui659-663
One-center bone tumors in the foot：an epidemiological analysis of 258 casesLIAO Feng, XU Hai-rong, NIU Xiao-hui664-668
Report of 9 cases of malignant transformation in extremity benign bone tumorsXIAO He, DING Yi, NIU Xiao-hui669-675
Pseudosarcoma-like change of chondromyxoid ifbroma after recurrence:a clinicopathologic analysis and review of literatureGONG Li-hua, LIU Wei-feng, QIAN Zhan-hua, DING Yi, HUANG Xiao-yuan676-680
Kimura disease：1 case report and 81 cases literature reviewHU Tan, WU Ji, WU Di, ZHENG Chao, HUANG Rong-rong681-686
Multicentric giant cell tumor of the bone：one case report and review of the literatureYAN Lei, RAN Bing, DENG Zhou-ming, CAI Lin687-692
Establishment and application of an epidemiological database of primary bone tumorsSHAN Hua-chao, XU Hai-rong, LI Yuan, NIU Xiao-hui693-696
Clinical effects of deoxyribonucleotide natrium on leukocytopenia after new adjuvant chemotherapy for osteosarcomaZHANG Zi-tao, XIONG Jin, WANG Shou-feng, QIU Yong697-700
Effects of microRNA-383 on biological behaviors of osteosarcomLI Shuai, GAO Yong, WANG Kun, LIU Wei, SONG Yu, YANG Shu-hua, YANG Cao701-705
