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46,Y,t(X;19)伴生精阻滞型非梗阻性无精子症个案报道及文献回顾

Chinese Journal of Reproduction and Contraception(2021)

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Abstract
目的:探究生精阻滞型非梗阻性无精子症的染色体遗传学因素。方法:回顾分析1例生精阻滞型非梗阻性无精子症患者X与常染色体平衡易位并进行文献回顾。结果:本例非梗阻性无精子症患者,染色体核型为46,Y,t(X;19)(p22.1;q13.3),其父母核型正常,Y染色体微缺失检查未见明显异常,全外显子测序未见明显致病基因突变,染色体微阵列分析(chromosomal microarray analysis, CMA)未见明显致病拷贝数变异(copy number variation, CNV),患者睾丸组织病理提示:精母细胞阻滞型非梗阻性无精子症。结论:46,Y,t(X;19)平衡异位可以导致生精阻滞型非梗阻性无精子症。
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Key words
Chromosome reciprocal translocation,Maturation arrest,Non-obstructive azoospermia,Genetic counseling
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