Sacroiliitis grading (New York criteria)

Sacroiliitis grading can be achieved using plain radiographs according to the New York criteria .


  • grade 0: normal
  • grade I: some blurring of the joint margins - suspicious
  • grade II: minimal sclerosis with some erosion
  • grade III
    • definite sclerosis on both sides of joint
    • severe erosions with widening of joint space with or without ankylosis
  • grade IV: complete ankylosis

See also

Siehe auch: