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有些儿童,经常感到双膝关节及附近肌肉阵发性疼痛,少数小儿连大腿、小腿的肌肉或双侧踝部也有疼痛感。每次疼痛发作部位固定,无游走性。而局部组织不红、不肿,关节活动自如,蹦跳如常,不受限制,疼痛多在下午或晚上临睡之前发作。疼痛时间不等,少则几分钟,多则半天以上。疼痛严重
Some children often feel paroxysmal pain in the knees and nearby muscles. A small number of children even have pain in the thighs, calf muscles or bilateral ankles. Each episode of pain fixed, no migration. Local organizations are not red, not swollen, joint activities freely, jumping as usual, unrestricted, pain and more in the afternoon or evening before going to sleep attack. Pain time range, ranging from a few minutes, as long as more than half a day. Severe pain