diffuse idiopathic skeletal hyperostosis

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