Objective To discus the mechanism of eroding tissue aroud joint, the diagnosis and the surgical therapy of the pigmented villonodular synovitis(PVNS).

• 目的探讨色素沉着性绒毛结节性滑膜炎对关节周围组织侵袭的机理、临床诊断和外科治疗。方法16例四肢骨关节内的色素绒毛结节性滑膜炎经手术、病理确诊。