DNA analysis for a specific craniosynostosis syndrome was performed, and no pathogenic variants were found in the FGFR1 (OMIM #136350), FGFR2 (OMIM #176943), FGFR3 (OMIM #134934), and TWIST (OMIM #601622) genes. Here, TWIST1 is linked to syndromic craniosynostosis.