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目的探讨肩区类风湿性关节炎(RA)的低场(0.2T)四肢MRI表现。方法回顾性总结31例临床确诊,影像证实的肩部RA。34例普通关节病做对照。分析病变早期E-MRI特征。结果肩RAMRI阳性表现,滑膜增生血管翳形成(93.5%),骨侵蚀(77.9%),软骨侵蚀(90.3%)等,以滑膜和骨髓改变诊断肩RA,其敏感性、特异性、正确率分别为:69.0%、76.7%、72.3%。结论E-MRI对肩RA定位、定性和分期诊断具有重要价值。
Objective To investigate the MRI findings of low field (0.2T) limbs of rheumatoid arthritis (RA) in the shoulder area. Methods Retrospectively reviewed 31 cases of clinically diagnosed and confirmed shoulder RA. 34 cases of common joint disease as a control. Early lesion E-MRI features. RESULTS: The shoulder RAMRI positive findings, synovial hyperplasia angiogenesis (93.5%), bone erosion (77.9%), cartilage erosion (90.3%) and so on. The diagnosis of shoulder RA was based on synovium and bone marrow changes. The sensitivity, specificity and correctness Rates were: 69.0%, 76.7%, 72.3%. Conclusion E-MRI is of great value in the diagnosis, diagnosis and staging of shoulder RA.