Zhonghua yi xue yi chuan xue za zhi = Zhonghua yixue yichuanxue zazhi = Chinese journal of medical genetics · 2021
[Prenatal diagnosis and family analysis of 22q11.2 microdeletion syndrome].
СтатьяНазвание и аннотация: Перевод в очереди
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Chen Duo, Hou Yaqin, Shi Panlai, Qin Guijun, Kong Xiangdong
Аннотация
OBJECTIVE: To analyze the prenatal diagnosis, parental verification and pregnancy outcome of 6 fetuses with 22q11.2 microdeletion syndrome.
METHODS: Copy number variation sequencing (CNV-seq)and chromosomal microarray analysis (CMA) were carried out for the fetuses.
RESULTS: The fetuses were found to harbor 2.54-3.2 Mb microdeletions of the 22q11.2 region, among which one was maternally inherited and one was paternally inherited. Two parents opted to continue with the pregnancy, and 4 chose induced labor. One fetus was found to have tetralogy of Fallot, while two carrier parents and one fetus appeared to have normal phenotype.
CONCLUSION: 22q11.2 microdeletions identified upon prenatal diagnosis should be treated carefully, with ultrasonic scan and parental verification taken into account.
METHODS: Copy number variation sequencing (CNV-seq)and chromosomal microarray analysis (CMA) were carried out for the fetuses.
RESULTS: The fetuses were found to harbor 2.54-3.2 Mb microdeletions of the 22q11.2 region, among which one was maternally inherited and one was paternally inherited. Two parents opted to continue with the pregnancy, and 4 chose induced labor. One fetus was found to have tetralogy of Fallot, while two carrier parents and one fetus appeared to have normal phenotype.
CONCLUSION: 22q11.2 microdeletions identified upon prenatal diagnosis should be treated carefully, with ultrasonic scan and parental verification taken into account.