国内第五届儿科免疫学术会议提出为了早期诊断JAS，建议将JRA少关节Ⅱ型病例中的年长男孩，伴肌腱附着处炎症，HLA-B27阳性，下肢关节炎为主，早期侵犯髋关节，有强直性脊柱炎家族史的患儿诊断为早期JAS，一旦有骶髂关节炎证据时即可确诊JAS。
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