Expansion of the variable expression of Muenke syndrome: Hydrocephalus without craniosynostosis.

Muenke syndrome (MS) is an autosomal dominant coronal craniosynostosis syndrome with variable extracranial anomalies. We studied 56 unrelated patients with non-syndromic uni- or bicoronal craniosynostosi to identify the frequency and clinical characteristics of MS in a cohort of Mexican childrens. The FGFR3 pathogenic variation p.