34例智力低下及畸形儿的染色体核型分析

THE CHROMOSOME KARYOTYPE ANALYSIS OF 34 CASES WITH LOW INTELLECTUAL FACULTIES AND DEFORMITY

先天性智力低下及畸形是进行染色体检查的适应症。本文对３４例智力低下和畸形的患儿做了染色体核型分析。发现染色体异常者为１０例，占受检者的２９．４％。２１三体占异常染色体的６０％，其他还有２２三体，４７ＸＹＹ以及嵌合型等等，为临床的诊断和治疗提供了准确依据。

Patients who suffer from the congenital low intelletual faculties and deformity should be inspeeted with chromoeoms karyotype analysis. 34 cases with above-mentioned clinical symptoms were made into chromosome karyotype analysis. Of them, 10 cases were found with abnormal chromosome karyothpe which make up 29.4%. Among abnormal chromioml karyotype there were 21 triploid(60%), 22 triploid, 47,XYY and its mosaic, and others. All these would supply an exact clinical diagnosis.