幼年型类风湿性关节炎是小儿常见病,目前认为其发病机理与遗传有关,孪生兄弟同时患病者尚未见报道,我院发现2例,报告如下。 病例 例1 孪生兄,男,9岁5个月。因反复膝关节、髋关节疼痛1年余于1992年4月入院。患儿为第2胎,双胎之大,生后生 Juvenile rheumatoid arthritis is a common disease in children, and now that its pathogenesis and genetic related to twin brothers have not been reported at the same time, our hospital found 2 cases, the report is as follows. Case 1 twin brother, male, 9 years and 5 months. Due to repeated knee, hip pain more than 1 year admitted in April 1992. Children for the second child, twins, students after birth