【摘要】 目的　探讨膝关节超声检查在幼年类风湿性关节炎 (JRA)诊断及疗效评价中的价值。方法　超声检查JRA 30例活动期患儿 4 8个膝关节 ;10例缓解期患儿 16个膝关节 ;30例正常儿 6 0个膝关节。观察指标包括膝关节髌上囊滑膜厚度、积液量、关节股骨端软骨轮廓形态。结果　JRA活动期膝关节明显积液、滑膜明显增厚 ,与缓解期、正常对照组间均有显著差异 ;JRA患儿中 10个膝关节出现软骨轮廓改变。结论　超声能客观定量评价JRA患儿膝关节的病变 ,为临床JRA的诊断及疗效观察提供客观、敏感、定量的检查方法更多还原

【Abstract】 Objective To evaluate the value of ultrasound (US) in assessment knee joint inflammation in patients with juvenile rheumatoid arthritis(JRA).Methods US scans of the knees obtained in 30 children at clinically active stage; JRA was compared with those obtained in 30 healthy children and 10 JRA patients in clinical remission.Results Changes in synovial membrane thickness and presence of fluid in suprapatellar bursa showed statistically significant differences between JRA patients with active disease and the other subjects.Alterations in contour of the articular cartilage were demonstrated in 10 knees of patients with JRA.Conclusion US is a simple sensitive and reliable methods for the assessment and monitoring of knee joint involvement in JRA.更多还原