外胚叶发育不全系先天遗传性疾病,皮肤、毛发、指(趾)甲、牙齿、面部及头颅发育异常。根据其汗腺发育是否正常又分为有汗和无汗两型。近年我们发现一例患儿有典型外胚叶发育不全面貌,报告如下:刘×,女,10岁,因上感于1980年5月20日门诊.体检发现面貌特殊而追问病史。患儿为第三胎(第一、二胎正常),因羊水过多7个月早产,出生时未发现异常,母乳喂养。运动功能正常,智力发育较差。患儿出生3个月开始发热,连续发热3个月,至9月份秋凉后退热,以后每年夏季均发热.发热时白天躺在床上,不吃饭,仅吃西瓜及冷 Ectodermatosis is a congenital hereditary disease, skin, hair, nail, teeth, facial and cranial dysplasia. According to its normal sweat gland development is divided into two types of sweat and no sweat. In recent years, we found that one case of children with typical appearance of ectodermal hypoplasia, the report is as follows: Liu ×, female, 10 years old, due to the sense of the May 20, 1980 outpatient clinic found a special look and history. Children for the third child (first and second child normal), due to excessive amniotic fluid 7 months premature birth, was not abnormal at birth, breastfeeding. Motor function is normal, mental development is poor. Children born three months after the onset of fever, fever for 3 months, autumn and fall in September after the fever, after each summer are fever. Fever lying in bed during the day, do not eat, eat watermelon and cold only