Apert Syndrome
A rare craniofacial development deformity. Apert syndrome is characterized by a number of deformities, including an abnormally shaped head, small upper jaw, hypertelorism and a normal lower jaw. The fingers and toes are fused together.
Crouzon Syndrome
A common craniofacial syndrome characterized by a combination of skull and facial deformity with hypertelorism and protruding eyeballs. Premature fusion of several sutures causes a short wide head. The upper jaw is underdeveloped.