GORAB and Costello syndrome: A differential diagnosis of GO with clinical phenotype overlap with other congenital disorder such as cutis laxa, Ehlers–Danlos' syndrome, Costello's syndrome, and the progeroid syndromes.14In conclusion, we report a GO patient with homozygous GORAB mutations with different clinical features that have not been reported before as tall stature and arachnodactyly and crowded teeth.