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细胞遗传学在临床上的应用已日益推广,儿科染色体疾病国内外的报道也日渐增多。如先天愚型(Down’s Syndrome),英国的Lengdon Down于1866年首先描述,1959年法国Lejeune等通过染色体检查证实为21—三体综合征。其它常染色体疾病的报告也日渐增多(1-5)。我们共检查先天性智能发育障碍的儿童30例,兹将其发病率、染色体组型及预防措施等综合分析讨论如下: 一、病例选择全部病例均系我院1978年10月至1979年6月临床上排除了后天引起的智能发育障碍
The clinical application of cytogenetics has been increasingly promoted, pediatric chromosomal diseases are also increasing reports at home and abroad. Such as Down’s Syndrome (Down’s Syndrome), the United Kingdom, the first described in 2066, Lengdon Down, France, Lejeune in 1959 and other confirmed by chromosome 21-trisomy. Other reports of autosomal diseases are also increasing (1-5). We examined a total of 30 cases of congenital mental retardation in children, it will be its incidence, genomics and preventive measures such as a comprehensive analysis of the discussion are as follows: First, the case selection All cases were in our hospital from October 1978 to June 1979 Clinically ruled out the acquired development of mental retardation