患儿，男，八岁，以“发热，尿色加深四天，颜面浮肿二天”入院。患儿四天前开始发热，呈间断性，体温38．5℃，无寒战及抽搐。伴尿色加深，呈浓茶色尿，尿量较前减少，无泡沫。入院前二天出现颜面浮肿，面色苍黄，且进行性加重。既往健康，现上小学二年级，学习成绩优良。家族 Children, male, eight years old, with “fever, dark urine darker four days, face edema two days” admission. Children started fever four days ago, was intermittent, body temperature 38.5 ℃, no chills and convulsions. Accompanied by dark urine, was dark brown urine, urine output than the previous reduction, no foam. Appeared two days before admission face edema, pale yellow, and progressive increase. Past health, now on the second grade, excellent academic performance. family