1MESSAGE OF CONGRATULATION插1-插62FOREWORD OF PUBLICATION插103Cryosurgery for the treatment of bone tumors, current conceptGUO Bangfu1-34Clinical and research progress of osteoporosis. Bone mineral evaluated by detection systemLUO Xianzheng, RNEG Gang, YANG Bo4-95Progress in the treatment of lesions over the proximal end of the femur with internal fixationJIANG Baoguo, ZHANG Dianying, FU Zhongguo10-126Progress of radiation therapy for bone metastasisYU Zihao13-147Progress of chemotherapy for sarcomas of the limb bone and soft tissueSU Yannong, XU Wanpeng15-198MRI Diagnosis for soft tissue tumorsHUANG Zhaomin, ZHANG Zhongwei20-229The molecular foundation and clinical problems of osteolytic lesions of carcinomatous bone metastasisYAN Ying23-2610Intra - operative somatosensory- evoked potentials monitoring in the evaluation of the effect of micro- endoscopy lumbar nerve root decompressionZHEN Wanxin, YANG Dazhi, WANG Ju27-2811Acetabular reconstruction with autogenous bone particle graft for severe acetabulum deformity during total hip replacement29-3112Limb salvage for patients with malignant soft tissue tumor of the extremities32-3413Expression of MMP- 9、 CD44v6 in osteosarcoma and their clinical significanceLIN Jianhua, CHEN Lei, ZHANG Sheng35-3714Establishment of an orthotopic transplantation model of human Osteosarcoma and a study of its biological behaviorWANG Zhen, LI Hualin, Sun Zheng38-4215Expression of cathepsin B in osteosarcoma and its relationship with tumor metastasis43-4516MDR1 mRNA expression of osteosaroma and its relationship with patient's survival46-4917Examination and analysis of activated T lymphocytes in active stage of rheumatoid arthritis50-52 