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目的探讨特制人工假体在髋部肿瘤保肢术中的应用价值。方法回顾性分析我院自1999年3月至2005年5月髋部原发肿瘤患者行特制人工假体置换术后疗效、并发症及处理资料。本组肿瘤病例中,髋臼11例,股骨近端15例;肿瘤类型:软骨肉瘤3例,骨肉瘤6例,滑膜肉瘤1例,骨巨细胞瘤12例,良性纤维组织瘤2例,动脉瘤样骨囊肿2例。假体类型:人工全髋关节假体17例,人工双极股骨头7例,马鞍式关节假体2例。结果随访时间为18个月～6年,平均4年3个月;10例恶性肿瘤局部复发率40%,保肢率60%,16例中间性及良性肿瘤复发率12.5%,保肢率87.5%,参照Enneking(MSTS)评定标准平均得分19分,优良率76.9%。结论特制人工髋关节假体具有良好的术后肢体功能,是髋部骨肿瘤较为满意的保肢治疗方法之一。
Objective To investigate the value of special artificial prosthesis in the salvage of hip tumors. Methods A retrospective analysis of our hospital from March 1999 to May 2005 patients with primary hip cancer patients undergoing artificial prosthesis replacement after the efficacy, complications and treatment data. In this group of tumors, there were 11 cases of acetabulum and 15 cases of proximal femur. The tumor types were 3 cases of chondrosarcoma, 6 cases of osteosarcoma, 1 case of synovial sarcoma, 12 cases of giant cell tumor of bone, 2 cases of benign fibrous tissue tumor, Aneurysmal bone cyst in 2 cases. Prosthesis types: 17 cases of artificial total hip prosthesis, artificial bipolar femoral head in 7 cases, 2 cases of saddle joint prosthesis. Results The follow-up time ranged from 18 months to 6 years with an average of 4 years and 3 months. The local recurrence rate was 40% in 10 cases of malignant tumors, the salvage rate was 60%, the recurrence rate of intermediate and benign tumors was 12.5% and the salvage rate was 87.5 %, According to Enneking (MSTS) evaluation standard average score of 19 points, good rate of 76.9%. Conclusion Special artificial hip prosthesis has good postoperative limb function and is one of the satisfactory limb salvage treatments for hip bone tumors.