Results:Typical feature can be seen on every alignment of MRI scan in the 17 patients including nodular synovitis prolifetation,typical for hemosiderin deposition,iso-low signal on T1WI and T2WI.

• 结果:17例膝关节PVNS在MRI各序列上均具有特征性表现,滑膜弥漫性增厚,可见含铁血黄素的结节,T1WI、T2WI均呈低信号。