May Be Caused by

Achondroplasia

Coffin-Lowry syndrome

Compression fracture

Eosinophilic granuloma

GM1 gangliosidosis

Hunter syndrome

Hurler syndrome

Hypothyroidism

Infantile hypothyroidism

Infantile multisystem inflammatory disease

Langerhans cell histiocytosis

Mucolipidosis type 2

Mucopolysaccharidosis

Mucopolysaccharidosis type 6

Neoplasm of spine

Pyogenic osteomyelitis

Severe Scheuermann disease

Tuberculous spondylitis