结论：旋转截骨术是治疗先天性上尺桡关节连接的有效方法。
Conclusion: Derotation osteotomy is an effective procedure in the treatment of congenital proximal radio-ulnar joint synostosis.
目的：初步探讨肱骨旋转截骨治疗大龄产瘫后肩关节内旋挛缩畸的疗效。
Objective: initial approach curative effect of rotary ostectomy treatment for the medial rotation contracture of the shoulder in obstetric brachial plexus palsy in elder children.
方法：对我院应用髋臼旋转截骨术治疗的12例髋臼发育不良患者的疗效进行回顾性分析。
Method 12 cases with congenital acetabular dysplasia were treated with rotational acetabular osteotomy. All patients were clinically reviewed after operation.
方法沿髋臼缘截骨，通过髋臼的整体旋转来加大髋臼对股骨头的包容。
Methods The osteotomy was performed along margin of acetabulum with acetabular wholism rotary to improve acetabulum to cover head of femur.
结论胫骨高位截骨、胫骨结节旋转抬高治疗膝关节内侧间隔退行性关节炎、胫骨旋转所致髌股关节炎，符合生物力学要求，长期随访效果满意。
Conclusion it is in accordance with biomechanics to treat medial knee degenerative arthritis and patellofemoral arthritis due to tibial rotation, which has satisfactory long term result.
结论胫骨高位截骨、胫骨结节旋转抬高治疗膝关节内侧间隔退行性关节炎、胫骨旋转所致髌股关节炎，符合生物力学要求，长期随访效果满意。
Conclusion it is in accordance with biomechanics to treat medial knee degenerative arthritis and patellofemoral arthritis due to tibial rotation, which has satisfactory long term result.
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