Sacroiliitis grading (New York criteria)

Last revised by Hasan Emin Kaya on 22 Mar 2021

Sacroiliitis grading can be achieved using plain radiographs according to the New York criteria 1,2.

Classification

  • grade 0: normal
  • grade I: suspicious changes (some blurring of the joint margins)
  • grade II: minimum abnormality (small localized areas with erosion or sclerosis, with no alteration in the joint width)
  • grade III: unequivocal abnormality (moderate or advanced sacroiliitis with erosions, evidence of sclerosis, widening, narrowing, or partial ankylosis)
  • grade IV: severe abnormality (complete ankylosis)

See also

ADVERTISEMENT: Supporters see fewer/no ads

Cases and figures

  • Case 1: grade 0
    Drag here to reorder.
  • Case 2: grade I
    Drag here to reorder.
  • Case 3: grade II
    Drag here to reorder.
  • Case 4: grade III
    Drag here to reorder.
  • Case 5: grade IV
    Drag here to reorder.
  • Case 6: grade III
    Drag here to reorder.
  • Updating… Please wait.

     Unable to process the form. Check for errors and try again.

     Thank you for updating your details.