Apert syndrome was born with Billy Mitchell - a rare condition that causes malformations to the skull , face , hands and feet . Youngster has endured a series of major operations to correct deformities . Surgeons cracked open his skull before piecing it back together again . Seven-year-old had a titanium frame drilled into his skull for nine weeks .
Billy Mitchell was born with Apert syndrome - a rare condition that causes malformations to the skull , face , hands and feet . Youngster has endured a series of major operations to correct deformities . Surgeons cracked open his skull before piecing it back together again . Seven-year-old had a titanium frame drilled into his skull for nine weeks .