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Prenatal Diagnosis of Pfeiffer Syndrome Patient with FGFR2 C.940-1G>C Variant: A Case Report

Authors Torres-Canchala L, Castaño D, Silva N, Gómez AM, Victoria A, Pachajoa H

Received 27 February 2020

Accepted for publication 28 May 2020

Published 11 August 2020 Volume 2020:13 Pages 147—150


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 3

Editor who approved publication: Prof. Dr. Martin H. Maurer

Laura Torres-Canchala,1 Daniela Castaño,2 Nathalia Silva,2 Ana María Gómez,2 Alejandro Victoria,3 Harry Pachajoa4,5

1Centro de Investigaciones Clínicas, Fundación Valle del Lili, Cali, Colombia; 2Newborn Intensive Care Unit, Fundación Valle del Lili, Cali, Colombia; 3Obstetrical Intensive Care Unit, Maternal-Infant Department, Fundación Valle del Lili, Cali, Colombia; 4Centro de Investigaciones en Anomalías Congénitas y Enfermedades Raras, Universidad Icesi, Cali, Colombia; 5Genetics Service, Fundación Valle del Lili, Cali, Colombia

Correspondence: Laura Torres-Canchala
Centro de Investigaciones Clínicas, Fundación Valle del Lili, Cali, Colombia
Tel +57-331-9090 ext 4022

Background: Pfeiffer syndrome (PS) is an autosomal dominant disorder caused by mutations in fibroblast growth factor receptor FGFR1 and FGFR2 genes, occurring in approximately 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 according 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.

Keywords: Pfeiffer syndrome, acrocephalosyndactylia, craniosynostosis, fibroblast growth factor receptor 2

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