例1.男,8岁。自1988年2月起,双拇跖、足背、右踝关节红、肿剧痛反复发作约10次,每次均为单关节、多夜间骤然发病,关节炎症状在5～6小时达到高峰,1周左右自行缓解,炎症间歇期关节正常。1990年3月5日夜间突然痛醒,右足背红、肿、灼痛难忍,次日上午来本院门诊。其祖父死于痛风并高尿酸肾病、肾功能衰 Example 1. Male, 8 years old. Since February 1988, double thumb plantar, dorsal foot, right ankle joint, swollen pain repeated attack about 10 times, each time a single joint, sudden onset of many nights, arthritis symptoms peaked in 5 to 6 hours , About 1 week to ease themselves, intermittent inflammation of the joint normal. March 5, 1990 suddenly awakened at night, right dorsal red, swollen, burning unbearable, to the hospital the next morning. His grandfather died of gout and high uric acid nephropathy, renal failure