Familial Scaphocephaly Syndrome, Mcgillivray Type, also known as scaphocephaly-macrocephaly-maxillary retrusion-intellectual disability syndrome, is related to scaphocephaly, maxillary retrusion, and impaired intellectual development. An important gene associated with Familial Scaphocephaly Syndrome, Mcgillivray Type is FGFR2 (Fibroblast Growth Factor Receptor 2). Affiliated tissues include bone, and related phenotypes are macrocephaly and hypertelorism