结论：非水泥肱骨表面重建关节成形术是年龄较小需要活动患者的不错治疗选择。
Conclusions: Cementless humeral resurfacing arthroplasty is a viable treatment option for younger, active patients.
对11名复杂肱骨近端骨折行半关节成形术的病人进行抽样分析。
Biopsy samples were obtained during hemiarthroplasty procedures from 11 patients who suffered a complex proximal humerus fracture.
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