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Key clinical point: Singleton exome sequencing (sES) could be a valuable prenatal diagnostic tool that offers the opportunity to obtain reliable and rapid prenatal results that reveal novel disease-causing variants in fetuses with ultrasound anomalies.
Major finding: The overall diagnostic yield for detection of pathogenic or likely pathogenic variants was 34.4%, with the diagnostic rate being highest for multiple anomalies (56%), followed by skeletal or renal abnormalities (50%). Furthermore, 20 novel disease-causing variants in different known disease-associated genes were identified.
Study details: Findings are from a retrospective analysis of 90 fetuses with a normal rapid aneuploidy detection but abnormal ultrasound findings, who were further investigated with sES or multigene panel analysis of 6,713 genes.
Disclosures: The study did not receive funds, grants, or other support. The authors declared no competing interests.
Source: Smogavec M et al. Eur J Hum Genet. 2022 Jan 1. doi: 10.1038/s41431-021-01012-7.
Key clinical point: Singleton exome sequencing (sES) could be a valuable prenatal diagnostic tool that offers the opportunity to obtain reliable and rapid prenatal results that reveal novel disease-causing variants in fetuses with ultrasound anomalies.
Major finding: The overall diagnostic yield for detection of pathogenic or likely pathogenic variants was 34.4%, with the diagnostic rate being highest for multiple anomalies (56%), followed by skeletal or renal abnormalities (50%). Furthermore, 20 novel disease-causing variants in different known disease-associated genes were identified.
Study details: Findings are from a retrospective analysis of 90 fetuses with a normal rapid aneuploidy detection but abnormal ultrasound findings, who were further investigated with sES or multigene panel analysis of 6,713 genes.
Disclosures: The study did not receive funds, grants, or other support. The authors declared no competing interests.
Source: Smogavec M et al. Eur J Hum Genet. 2022 Jan 1. doi: 10.1038/s41431-021-01012-7.
Key clinical point: Singleton exome sequencing (sES) could be a valuable prenatal diagnostic tool that offers the opportunity to obtain reliable and rapid prenatal results that reveal novel disease-causing variants in fetuses with ultrasound anomalies.
Major finding: The overall diagnostic yield for detection of pathogenic or likely pathogenic variants was 34.4%, with the diagnostic rate being highest for multiple anomalies (56%), followed by skeletal or renal abnormalities (50%). Furthermore, 20 novel disease-causing variants in different known disease-associated genes were identified.
Study details: Findings are from a retrospective analysis of 90 fetuses with a normal rapid aneuploidy detection but abnormal ultrasound findings, who were further investigated with sES or multigene panel analysis of 6,713 genes.
Disclosures: The study did not receive funds, grants, or other support. The authors declared no competing interests.
Source: Smogavec M et al. Eur J Hum Genet. 2022 Jan 1. doi: 10.1038/s41431-021-01012-7.