患者女,5岁,因智力低下,有时行为不能自控,于1988年10月来我室咨询。患儿系第1胎,足月顺产,出生时体重2.6kg,人工喂养。1岁能抬头,1岁半能独坐,5岁能独立行走。至今仍不会说话,仅能发“爸、妈”单音,只能听懂简单的词。患儿除体弱和易患感冒外,否认有外伤和其它疾病史。查体:脸小,两眼距窄,双耳廓畸形,高腭弓,心、肺、肝、脾无异常发现。反应迟钝。肌张力正常,外生殖器、肛门正常。皮 Female patient, 5 years old, due to mental retardation, and sometimes behavior can not be controlled, in 1988 October to my room counseling. Children in the first child, full-term birth, birth weight 2.6kg, artificial feeding. 1 year old can rise, 1 year and a half can sit alone, 5 years old can walk independently. Still can not speak, can only send “dad, mom” single tone, can only understand simple words. Children in addition to frail and susceptible to cold, denied the history of trauma and other diseases. Physical examination: face small, narrow eyes, ears double deformity, high palatal arch, heart, lung, liver, spleen no abnormal findings. Unresponsive. Normal muscle tone, external genitalia, normal anus. skin