May Be Caused by

 Common

Chondrodysplasia punctata Conradi-Hünermann type

Marfan syndrome

Mucopolysaccharidosis

Trisomy 21

 Uncommon

Aarskog syndrome

Campomelic dysplasia

Diastrophic dysplasia

Dyggve-Melchior-Clausen dysplasia

Grisel syndrome

Hypochondrogenesis

Klippel-Feil syndrome

Metaphyseal chondrodysplasia McKusick type

Metatropic dysplasia

Mucolipidosis type 3

Neurofibromatosis type 1

Opsismodysplasia

Patterson syndrome

Pseudoachondroplasia

Spondyloepimetaphyseal dysplasia short limb-hand type

Spondyloepimetaphyseal dysplasia Strudwick type

Spondyloepiphyseal dysplasia congenita

Spondyloepiphyseal dysplasia tarda

Spondylometaphyseal dysplasia

Winchester syndrome