May Be Caused by

 Common

Cherubism

Cleidocranial dysostosis

Crouzon syndrome

Fibrous dysplasia

 Uncommon

Acrodysostosis

Angelman syndrome

Apert syndrome

Beckwith-Wiedemann syndrome

Binder syndrome

Cloverleaf skull deformity

Cockayne syndrome

Craniodiaphyseal dysplasia

Craniometaphyseal dysplasia

Endosteal hyperostosis van Buchem type

Endosteal hyperostosis Worth type

Facial hemihypertrophy

Gorlin syndrome

Hajdu-Cheney syndrome

Juvenile hypothyroidism

LEOPARD syndrome

Mucolipidosis type 3

Myotonic dystrophy

Normal variant

Oculo-dento-osseous dysplasia

Opitz BBBG syndrome

Osteoglophonic dysplasia

Pyle dysplasia

Rieger syndrome

Sclerosteosis

Sotos syndrome

Williams syndrome

XXXXY syndrome