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102例智力低下患者外周血淋巴细胞染色体核型分析 被引量:2

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摘要 目的探讨智力低下患者的细胞遗传学原因及预防。方法采用外周血淋巴细胞72h培养及染色体常规制备方法,G显带技术进行染色体核型分析。结果 102例智力低下患者中检出异常染色体核型65例,检出率63.7%。其中染色体数目异常为63例,占异常核型的95.4%,而结构异常为2例。结论染色体核型异常时导致智力低下的重要原因之一,产前筛查及诊断是预防智力低下患儿出生的最有效方法。
出处 《中国优生与遗传杂志》 2010年第9期43-43,38,共2页 Chinese Journal of Birth Health & Heredity
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