<unk>  is a common condition characterized by bone proliferation at sites of tendinous and ligamentous insertion. The cervical and thoracic spine in particular are affected. There is an association with hyperglycemia and approximately one-third of patients test positive for human leukocyte antigen–B27.
Diffuse idiopathic skeletal hyperostosis
Hereditary multiple exostoses
Giant cell tumor of bone
Paget's disease of bone
Osteopetrosis
Fibrodysplasia ossificans progressiva
Myositis ossificans
Acrodysostosis