DefinitionBy Mayo Clinic staff
Diffuse idiopathic skeletal hyperostosis (DISH) is calcification or a bony hardening of ligaments in areas where they attach to your spine.
Also known as Forestier's disease, diffuse idiopathic skeletal hyperostosis may cause no symptoms and require no treatment. The most common symptoms are mild to moderate pain and stiffness in your upper back. DISH may also affect your neck and lower back. Some people experience DISH in other areas, such as shoulders, elbows, knees and heels.
DISH can be progressive. As it worsens, DISH can cause serious complications.
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