摘要膝关节骨性关节炎(osteoarthritis of knee.KOA)是中老年的常见病,大多以膝关节疼痛、僵硬、活动受限甚至关节畸形为主要表现,其病理改变主要为局限性、进行性关节软骨的破坏及关节边缘骨赘形成。病变初始由软骨起病,日渐影响整个膝关节,包括软骨下骨、韧带、滑膜、关节囊及关节外肌肉,严重时导致关节畸变或功能缺失。
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