Background: Pfeiffer syndrome (PS) is an autosomal dominant disorder caused by mutations in fibroblast growth factor receptor FGFR1 and FGFR2 genes, occurring in approxi-mately 1:100,000 live births. PS has a wide range of clinical expression and severity, so early prenatal diagnosis is difficult and genetic counseling is desirable. We describe a PS newborn with her ultrasound and molecular studies. Case Report: We describe a female term newborn with cloverleaf-shaped skull, facial hypoplasia, low ears, exophthalmos and wide, broad and deviated thumbs and hallux. The patient was diagnosed by ultrasound at 29 WGA and referred to a tertiary care hospital for her follow-up. Molecular test revealed a heterozygous pathogenic variant in intron 8 of the FGFR2 gene (FGFR2: c.940–1G>C). It was a de-novo mutation. At 17 days of life, craniosynostosis correction and a Lefort-III frontomaxillary advancement were performed. Conclusion: Pfeiffer syndrome is a devastating genetic disorder. Prenatal diagnosis accord-ing PS morphological features in prenatal ultrasound allows timely genetic counseling, early referral to third-level centers, and close follow-up in the prenatal and postnatal stages.
CITATION STYLE
Torres-Canchala, L., Castaño, D., Silva, N., Gómez, A. M., Victoria, A., & Pachajoa, H. (2020). Prenatal diagnosis of pfeiffer syndrome patient with FGFR2 C.940-1G>C variant: A case report. Application of Clinical Genetics, 13, 147–150. https://doi.org/10.2147/TACG.S251581
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