May Be Caused by

 Common

Acrocephalosyndactyly Pfeiffer type

Acrocephalosyndactyly Saethre-Chotzen type

Apert syndrome

Fibrodysplasia ossificans progressiva

Otopalatodigital syndrome type 2

Rubinstein-Taybi syndrome

 Uncommon

Acrocallosal syndrome

Acrocephalopolysyndactyly

Brachmann-de Lange syndrome

Chromosome 4p- syndrome

Cleidocranial dysostosis

Craniofrontonasal dysplasia

Diastrophic dysplasia

Distal arthrogryposis type 2A

Femoral hypoplasia-unusual facies syndrome

Frontodigital syndrome

Greig cephalopolysyndactyly syndrome

Hand-foot-genital syndrome

Larsen syndrome

Léri pleonosteosis

Orofaciodigital syndrome type 1

Orofaciodigital syndrome type 2

Popliteal pterygium syndrome

Trisomy 13

Trisomy 18

XXXXY syndrome