Of these 17 patients, 9 had syndromic craniosynostosis (Crouzon, n = 7; Saethre-Chotzen, n = 1; IL11RA, n = 1), 1 had multisuture synostosis, and 7 had isolated craniosynostosis (sagittal, n = 6; unicoronal, n = 1). Here, IL11RA is linked to craniosynostosis.