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Prenatal diagnosis and genetic counselling for a pedigree carrying a large fragment deletion of 13q / 中华医学遗传学杂志
Article de Zh | WPRIM | ID: wpr-928414
Bibliothèque responsable: WPRO
ABSTRACT
OBJECTIVE@#To carry out prenatal diagnosis for a fetus with normal ultrasonographic finding at 20 weeks' gestation but a copy number variant(CNV) of 13q indicated by non-invasive prenatal test (NIPT).@*METHODS@#Karyotyping analysis and chromosomal CNV assay were carried out on the amniotic fluid sample. Parental peripheral blood sample was collected for chromosomal analysis. Detailed fetal ultrasound scan was carried out to rule out structural abnormalities of the fetus.@*RESULTS@#The fetus was detected with a heterozygous 10.14 Mb deletion at 13q21.1q21.32, which has originated from the phenotypically normal mother. No apparent karyotypic abnormality was detected in the fetus and its parents. No ultrasonic abnormality was found in the fetus.@*CONCLUSION@#Both the fetus and its mother have carried a heterozygous 10.14 Mb deletion at 13q21.1q21.32 and presented normal phenotypes.Combined with literature review, the segmental deletion was judged to be a benign variant.
Sujet(s)
Texte intégral: 1 Indice: WPRIM Sujet Principal: Pedigree / Diagnostic prénatal / Échographie prénatale / Conseil génétique / Caryotypage Type d'étude: Diagnostic_studies Limites du sujet: Female / Humans / Pregnancy langue: Zh Texte intégral: Zhonghua Yi Xue Yi Chuan Xue Za Zhi Année: 2022 Type: Article
Texte intégral: 1 Indice: WPRIM Sujet Principal: Pedigree / Diagnostic prénatal / Échographie prénatale / Conseil génétique / Caryotypage Type d'étude: Diagnostic_studies Limites du sujet: Female / Humans / Pregnancy langue: Zh Texte intégral: Zhonghua Yi Xue Yi Chuan Xue Za Zhi Année: 2022 Type: Article