前言： 目的：介绍膝关节单髁置换术作为一种微创关节置换手术的应用。

Objective: To introduce the unicompartment arthroplasty as a tool to treat the unicompartment osteoarthritis.

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［目的］ 认为膝关节前内侧骨关节炎适合于单髁置换治疗，传统是用应力位摄片帮助诊断前内侧骨关节炎。

Abstract: [Objective]It is extensively conceived that the anteromedial osteoarthritis (OA) of knee is suitable for unicompartmental knee replacement (UKR).

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