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对主要发生在幼儿手背部一种密集而不融合的丘疹性损害的疾患934例,进行了临床上的研究,发现:此丘疹性损害初发时均位于手背部,数日之内可急剧进展,治疗无效,有自限性,约一个月左右即可自行消退。根据该病常伴发其他方面之症状与体征,包括69％有上呼吸道感染征状,93.5％出现枕及/或耳后淋巴腺肿大,能自愈,愈后一般不再发,以及有流行性倾向,门诊月患病率相差悬殊,占初诊患儿的0.2～18％,在温暖季节出现高峰,且同室居住儿童于此期可有31％同时发病之特点而提出,此病可能系一种病毒感染后发疹性疾病。建议不用“沙土皮炎”这一诊断名称而改用“幼儿手背丘疹性皮炎”为宜。
A clinical study of 934 cases of papular lesions, which occurred mainly in the back of young children, on the back of their hands found that this papular lesion was located on the dorsal part of the back in the first episode and rapidly progressed within a few days , Treatment is invalid, self-limiting, about a month or so to self-resolution. According to the disease often accompanied by other symptoms and signs, including symptoms of upper respiratory tract infection 69%, 93.5% of the occipital and / or posterior lymph gland enlargement, self-healing, the more generally no longer hair, as well as Prevalence of epidemics, the prevalence of out-patient month disparity, accounting for 0.2 to 18% of newly diagnosed children, peaked in the warm season, and the same room living children in this period may have 31% of the characteristics of the same time the disease may be A viral infection after a rash disease. It is recommended not to use the diagnosis of “sand dermatitis” instead of “back hand papule dermatitis” is appropriate.