DISH

Definition

Diffuse Idiopathic Skeletal Hyperostosis

- non-inflammatory disease

- ossifying enthesopathy / bone forming diasthesis

- most commonly involves spine / anterior longitudinal ligament

AKA  Forestier's disease

DDx

Ankylosing Spondylosis

DISH

- non inflammatory

- no facet or SIJ involvement

- no squaring of anterior vertebral body