Coronal craniosynostosis and radial ray hypoplasia: a third report of Twist mutation in a 33 weeks fetus with diaphragmatic hernia.
2012
Abstract We describe a multiple malformation syndrome comprising coronal craniosynostosis, unilateral radial ray hypoplasia and diaphragmatic hernia in a 33w female fetus born to a 46 y-old male with an alleged personal and family history of Crouzon syndrome. By identifying an already described c.445C>T TWIST missense mutation, we were able to reassign the diagnosis of the family condition to Saethre-Chotzen syndrome. The present report illustrates clinical variability of a dominantly inherited TWIST mutation and provides a third example of Baller-Gerold/Saethre-Chotzen overlapping phenotype. We also add diaphragmatic hernia in the spectrum of TWIST-related malformations, although we couldn't prove the co-occurrence is not coincidental.
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