膝关节局限性色素沉着绒毛结节性滑膜炎是一种少见疾病,几乎总是侵犯单关节,X线一般为正常,MRI不具有特异性,以往的研究认为临床症状不具有特异性,导致局限性色素沉积绒毛结节性滑膜炎的诊断困难,患者长期遭受疾病的困扰,我们对通过关节镜治疗的21例膝关节局限性色素沉积绒毛结节性滑膜炎患者,回顾性分析了病灶的位置,术前症状发生的频率;并评估关节镜的治疗效果,现报告如下。 Knee limitations Pigmentation villonodular synovitis is a rare disease that almost invariably violates single joints, X-rays are generally normal, MRI is not specific, and previous studies concluded that clinical symptoms are not specific and result in Limitations Pigmented villonodular synovitis is difficult to diagnose and has long been plagued by the disease. We retrospectively reviewed 21 patients with localized kyphosis of villonodular synovitis treated with arthroscopy The location of the lesion, the frequency of preoperative symptoms, and the assessment of the effect of arthroscopy are reported below.