Alternative titles and symbols : Polysyndactyly with peculiar skull shape;
Description : Greig cephalopolysyndactyly syndrome is characterized by frontal bossing, scaphocephaly,
and hypertelorism associated with pre- and postaxial polydactyly and variable syndactyly.
The phenotype shows variable expressivity and can also include craniosynostosis. Affected
individuals usually have normal psychomotor development (summary by Gorlin et al.,
2001).;
Inheritance : Autosomal dominant;
Molecular basis : Caused by mutation in the GLI-Kruppel family member GLI3 gene (GLI3, 165240.0001);
Laboratory abnormalities : Translocation or deletions involving 7p13 (severe case reports);