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患儿,女,2岁。来诊前70天右足背出现数个蚕豆大小的风团样皮疹,3天后面部出现红色丘疹,2周内波及全身,发展成隆起的斑块且呈远心性扩大。夜间周身剧痒,不能安睡。起病前无上呼吸道感染史。体检:肛温38℃,系统检查未见异常。皮疹多而广泛,散在或融合地非对称性分布于面、颈、躯干、臀及四肢,手(足)背侧少而疏。其形态有的为粟粒到花
Children, female, 2 years old. 70 days before going to the clinic, there were several wind-like rashes on the right foot and back of the body. Three days later, red papules appeared on the face and spread to the whole body within 2 weeks, resulting in the development of elevated plaques and a telecentric expansion. Whole body night itch, can not sleep well. Before the onset of a history of upper respiratory tract infection. Physical examination: Rectal temperature 38 ℃, no abnormalities in system examination. Rash more than a wide range of non-symmetrical scattered or fusion distribution in the face, neck, trunk, buttocks and limbs, hands (feet) dorsal and less sparse. Some of its morphology for miliary to flowers