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目的:探讨定制型人工假体在股骨远端侵袭性骨肿瘤治疗中的临床应用效果。方法:对18例股骨远端侵袭性骨肿瘤患者行骨肿瘤广泛切除和人工假体置换术,其中骨巨细胞瘤10例,骨肉瘤6例,软骨肉瘤1例,动脉瘤样骨囊肿复发1例。结果:术后随访9～75个月,平均41个月,1例骨肉瘤患者于术后17个月死于肺转移,余17例Enneking法评分23.5±3.7,膝关节活动度为伸0°,屈75～145°。结论:采用定制型人工假体能有效地治疗股骨远端侵袭性肿瘤,达到良好的保肢效果。
Objective: To investigate the clinical application of customized artificial prosthesis in the treatment of distal femoral neoplastic bone tumors. Methods: 18 cases of distal femur invasive bone tumor patients underwent extensive resection of bone tumors and artificial prostheses, including 10 cases of giant cell tumor of bone, 6 cases of osteosarcoma, 1 case of chondrosarcoma, 1 cases of aneurysmal bone cyst relapse example. Results: The patients were followed up for 9 to 75 months with an average of 41 months. One patient with osteosarcoma died of lung metastasis at 17 months after operation. The remaining 17 patients had an Enneking score of 23.5 ± 3.7 and a knee extension of 0 ° , Bend 75 ~ 145 °. Conclusion: The custom-made artificial prosthesis can effectively treat the distal femur invasive tumor and achieve good limb salvage effect.