We report on a child with prenatal findings of increased nuchal translucency, polydramnios, ascites, and overgrowth. At birth, she presented length >97° centile, minor facial anomalies, megalencephaly, and Wolff-Parkinson-White syndrome. Whole-exome sequencing showed a pathogenic variant in the NRAS gene, but no mutations were found in PI3K/AKT/mTOR pathway genes.
Keywords: cardiovascular disorders; genetics; neurology; obstetrics and gynecology; pediatrics and adolescent medicine.
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