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Prenatal diagnosis in a fetuses with a clenched hands, overlapping fingers, and clubfoot due to MED12 deficiency in three affected siblings: A case report.


ABSTRACT: A fetal clenched hand with overlapping fingers is more common in aneuploidy syndrome and was not well-documented in MED12 deficiency. This study reports the clinical and genetic findings of three affected siblings from a Chinese family. The chromosome karyotype analysis diagram shows that karyotypes of the three children were normal. Trio whole-exome sequencing and Sanger sequencing verification found that there was a MED12 R296Q variant in normal mothers and their two offspring. A pattern of clenched hand with overlapping fingers (clinodactyly) and clubfoot was found in all the three affected siblings by three-dimensional ultrasound. The discovery of this case shows that even if the chromosome karyotype is normal, comprehensive prenatal genetic diagnosis is required when the ultrasound results show a clenched hand with clinodactyly and clubfoot symptoms.

SUBMITTER: Xue H 

PROVIDER: S-EPMC10369338 | biostudies-literature | 2023

REPOSITORIES: biostudies-literature

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Prenatal diagnosis in a fetuses with a clenched hands, overlapping fingers, and clubfoot due to MED12 deficiency in three affected siblings: A case report.

Xue Huiqin H   Tang Qiaoyin Q   Feng Yu Y   Zhao Chenyue C   Xu Ke K   Gu Weiyue W   Xue Zhaoyu Z   Li Xinyan X   Jiang Jinsong J   Lu Hongyong H   Sun Xiayu X   Wu Jianrui J   Cao Guizhi G  

Frontiers in genetics 20230712


A fetal clenched hand with overlapping fingers is more common in aneuploidy syndrome and was not well-documented in MED12 deficiency. This study reports the clinical and genetic findings of three affected siblings from a Chinese family. The chromosome karyotype analysis diagram shows that karyotypes of the three children were normal. Trio whole-exome sequencing and Sanger sequencing verification found that there was a MED12 R296Q variant in normal mothers and their two offspring. A pattern of cl  ...[more]

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