膝关节类风湿关节炎MRI与X线平片对比

目的　评价MRI与X线平片在膝关节类风湿关节炎中的诊断价值。方法　 34个膝关节行MRI与X线检查 ,13例进行了MRI增强扫描。结果　MRI显示 34个膝均存在骨破坏 ,2 1个膝骨硬化 ,2 2个半月板有信号改变 ,15个膝关节软骨信号改变 ,10个膝胫骨移位 ,8个膝后交叉韧带拉直 ,13例MRI增强扫描显示血管翳附着、滑膜增殖和关节积液。X线显示 1个膝有骨破坏 ,11个膝伴骨硬化 ,16个膝关节间隙狭窄 ,8个膝胫骨移位。结论　MRI诊断膝关节类风湿关节炎优于X线平片

MRI of the Knee in Rheumatoid Arthritis:Comparison with Radiography

Objective To evaluate the value of magnetic resonance imaging in rheumatoid arthritis(RA) of the knee and compare with radiography.Methods 34 cases of RA of the knee were performed MRI and radiography.Enhanced MRI scans were obtained in 13 knees.Results On MRI there were bone erosion in 34 knees,subchondral sclerosis in 21 knees,meniscus destruction in 22 knees,cartilage damage in 15 knees,tibia movement in 10 knees,posterior cruciate ligament dragged in 8 knees.Pannus adhesion,proliferation synovium and joint effusion were showed on enhanced MRI in all of the 13 knees.On radiography bone erosion was showed in 1 knee,subchondral sclerosis in 11 knees,joint space stricture in 16 knees,tibia movement in 8 knees.Conclusion MRI is much better than radiolgraphy for diagnosis of RA of the knee.