我们分别调查了本院1958年～1973年住院的及1958年～1982年23年门诊的儿童(<12周岁)精神病患者399例和3,142例,结果2组均有3例婴儿痴呆患者,而无婴儿孤独症,3,142例门诊儿童精神障碍中,无婴儿孤独症。婴儿痴呆3例(不包括住院3例)。但2组各有1例曾拟诊为婴儿孤独症,后经23年和5年随访被确诊为婴儿痴呆。 We surveyed 399 and 3,142 children with psychosis (<12 years) who were hospitalized in our hospital from 1958 to 1973 and from 23 years in 1958 to 1982, respectively. There were 3 infants with dementia in both groups, and none Infantile Autism, 3,142 Outpatient Childhood Mental Disorders, Infant Autism Free. 3 cases of infant dementia (excluding 3 cases of hospitalization). However, one in each of the two groups had been diagnosed as having infant autism and was diagnosed with infant dementia after 23 and 5 years of follow-up.