抽取外周血进行淋巴细胞培养制备染色体标本，是遗传咨询中最常用的方法O但由于污染或药品质量及其他原因可使第一次培养失败，而患者不在本地或其他原因不能再次前来采血时，我们采用贮存剩余血于5天内再进行第二次培养制片，取得较好的效果，现报告如下。1材料与方法用5ml注 Extracting peripheral blood for lymphocyte culture Preparing a chromosome specimen is the most commonly used method of genetic counseling. However, the first culture fails because of contamination or drug quality and other causes, but the patient is unable to come back for blood collection again, either locally or for other reasons , We use the remaining storage of blood in 5 days and then a second training production, and achieved good results, are as follows. 1 Materials and methods with 5ml Note