May Be Caused by

 Common

Avascular necrosis

Gouty arthritis

Mycetoma

Osteomyelitis

Postoperative change

Rheumatoid arthritis

Septic arthritis

Trauma

 Uncommon

Carpal and tarsal osteolysis

Chondrodysplasia punctata

Congenital bipartite bone

Diastrophic dysplasia

Dyggve-Melchior-Clausen dysplasia

Dysosteosclerosis

Fucosidosis

Kniest dysplasia

Larsen syndrome

Melorheostosis

Metatropic dysplasia

Mixed sclerotic bone dysplasia

Morquio syndrome

Mucolipidosis type 2

Multiple epiphyseal dysplasia

Osteoglophonic dysplasia

Osteopetrosis

Osteopoikilosis

Parastremmatic dysplasia

Progressive pseudorheumatoid chondrodysplasia

Seckel syndrome

Spondyloepiphyseal dysplasia congenita

Spondyloepiphyseal dysplasia tarda

Spondylometaphyseal dysplasia Kozlowski type

Warfarin embryopathy

Winchester syndrome