Due to the limitations of clinical description in diagnosis of juvenile idiopathic arthritis(JIA) with subjective factors, this study attempts to explore the role of contrast-enhanced whole-body MRI(WBMRI) in the JIA. We evaluated the WBMRI images of 156 joint regions of 7 patients, including image quality and positive findings, and compared the results with clinical descriptions. The results showed that WBMRI could observe the lesion of joints more objectively and comprehensively than the clinical description, and could show the changes of the lesions with treatment. Therefore, WBMRI may be used to help diagnose JIA and to evaluate the therapeutic effect.
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