[摘要] 目的 分析膝关节腱鞘囊肿的临床及MRI影像学表现。 方法 回顾性分析经关节镜或病理证实的9例膝关节腱鞘囊肿的临床及MRI资料。 结果 本组病例有 5例前交叉韧带囊肿，3例后交叉韧带囊肿，1例位于髌下脂肪垫，所有囊肿的形态均为椭圆形或分叶状，MRI 表现为T1WI为低信号，T2WI及STIR为高信号。 结论 MRI能准确诊断膝关节腱鞘囊肿，有助于关节镜手术计划的制定。

    [关键词] 腱鞘囊肿；膝关节；磁共振成像

    [中图分类号] R445 [文献标识码] B [文章编号] 1673-9701(2015)04-0099-02

    [Abstract] Objective To evaluate the MRI findings of the ganglion cyst of the knee in correlation with clinical feature.Methods A retrospective analysis of MRI images and clinical date were performed in 9 patients with arthroscopically or pathologically proven ganglion cysts of the knee. Results 5 ganglion cyst were found in the anterior cruciate ligaments ......