Hyperostosis, Diffuse Idiopathic Skeletal

**Definition:** A disease of elderly men characterized by large osteophytes that bridge vertebrae and ossification of ligaments and tendon insertions.

**Tree numbers:** - C05.116.540.410 - C05.116.900.815.651

**Synonyms:** - Ankylosing Vertebral Hyperostosis with Tylosis - Diffuse Idiopathic Skeletal Hyperostosis - Forestier Disease - Forestier's Disease - Forestier-Rotes Disease - Vertebral Ankylosing Hyperostosis