色素绒毛结节性滑膜炎（PVNS）比较少见，有绒毛型和结节型两种。患者多青壮年男性。年龄多在20～40岁之间。本病好发于膝关节和踝关节，其次髋、跗间、腕、肘等关节，偶也见于滑囊和腱鞘。
目的探讨色素绒毛结节性滑膜炎(PVS)的临床病理特点、治疗和预后的关系。
Objective To study the clinical and pathologic characteristics, relationship between the treatment and the prognosis of pigmented villonodular synovitis (PVS).
目的探讨MRI对膝关节色素沉着绒毛结节性滑膜炎(PVNS)的诊断价值。
Objective To investigate the MRI diagnostic valuation of pigmented villonodular synovitis (PVNS) of knee joint.
方法回顾性分析4例经手术或穿刺活检病理证实的膝关节色素沉着绒毛结节性滑膜炎的CT表现。
Methods the ct manifestations of 4 cases with pigmented villonodular synovitis (PVNS) in the knee joint which were proved by pathology were analyzed retrospectively.
色素绒毛结节性滑膜炎（PVNS）比较少见，有绒毛型和结节型两种。患者多青壮年男性。年龄多在20～40岁之间。本病好发于膝关节和踝关节，其次髋、跗间、腕、肘等关节，偶也见于滑囊和腱鞘。
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