无汗型外胚叶发育不良是一种先天性,遗传性疾病,具有汗腺缺如、毛发稀疏、牙胚发育不良等表现,50%病人伴智力障碍。现报告一例。患者男,4岁9月。因智力及牙齿发育迟缓而就医。患儿于1984年9月出生,出生时表皮似无皮肤样(剥皮样)发红,生后第九天发烧,体温持续39～41℃,嗜睡,曾在某医院治疗两个月,逐 Anhidrotic ectodermal dysplasia is a congenital, hereditary disease with manifestations of sweat gland deficiency, sparse hair, poorly developed tooth germs, and 50% of patients with mental retardation. Now report a case. Patient male, 4 years old in September. Medical treatment due to mental retardation and tooth growth. Children born in September 1984, at birth, the skin appears to be skin-like (skin-like) redness, the ninth day after birth fever, body temperature continued 39 ~ 41 ℃, lethargy, had a two-month treatment in a hospital by