Objective: To explore the radiographic features of pigmented villonodular synovitis (PVNS) so as to improve the reognition and differntial diagnosis of PVNS.

• 摘要目的：探讨色素沉着绒毛结节性滑膜炎(PVNS)的影像学表现，以提高对该病的影像学诊断水平及鉴别诊断的能力。