Craniofrontonasal Dysplasia: Variability of the Frontonasal Suture and Implications for Treatment

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Craniofrontonasal dysplasia’s (CFND’s) phenotypic range includes hypertelorism, coronal craniosynostosis, frontonasal dysplasia, and digital anomalies. The variable expression is paradoxical for an X-linked syndrome because hemizygous males are less affected than heterozygous females. We describe a case of CFND due to a c.30>T EFNB1 gene mutation. In place of the typical craniosynostosis found in CFND, she presented with a superiorly displaced nasion and an anomalously positioned frontonasal suture. This report reveals an unreported malformation in CFND and its surgical implications.

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