21-trisomy syndrome 三体综合征
21-trisomy 三体
21 trisomy syndrome 三体综合征
21-trisomy syn-drome 三体综合征
trisomy 21 syndrome 三体综合征 ; 小儿唐氏综合征
Recurrent trisomy 21 复发的21
Trisomy 21, translocation 三体性21,易位
Materials and Methods: Cerebral ct findings in 23 cases with 21 trisomy syndrome, proved by cytogenetics, were retrospectively analyzed.
材料与方法：回顾性分析23例经细胞遗传学检查证实的21三体综合征的脑部ct表现。
The detection rate of the chromosomal abnormality of the abnormal fetus detected by ultrasound (33.33%) was higer than the trisomy 21 high risk group(4.54%) and abnormal delivery group(9.09%)(P<0.05).
其中超声示胎儿异常组染色体异常检出率（33.33%）明显高于21-三体高风险组（4.54%）、不良孕产史组的检出率（9.09%）（P<0.05）。
Objective: a few trisomy 21 cells in normal chromosome karyotype was been observed for study of the correlation of clinical phenotype and development damage in sick children of Down's syndrome.
目的观察正常细胞核型中含有极少量21 -三体细胞的患儿临床表型及发育损害的相关关系。
应用推荐