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Table 3 Number of sites and quality of MRI findings at diagnosis and follow-up (in brackets) in 13 patients

From: Cervical spine involvement in patients with juvenile idiopathic arthritis - MRI follow-up study

Qualitiy MRI findings Site
     AA   AD    AO C2/3 C3/4 C4/5 C5/6 C6/7 Dens Atlas    Sum
Joint hyperintensity 11 (9) 10 (4) 6 (2) 1 (-) - - - - - - 28 (15)
Joint enhancement 12 (7) 12 (10) 7 (2) 1 (-) - - - - - - 32 (19)
Malalignment 5 (2) 7 (1) 3 (-) - - - (1) - (1) - (1) - - 15 (6)
Ankylosis - - - (1) 2 (3) - - (1) - (1) - (1) - - 2 (7)
Erosion - - - - - - - - 1 (3) 1 (3) 2 (6)
Narrowing of the spinal canal at CCJ          3 (4)   3 (4)
  1. Caption:
  2. Hyperintensity (STIR see Methods) enhancement: pathological joint enhancement after gadolinium.
  3. AA atlanto-axial joint.
  4. AD atlanto-dental joint.
  5. AO atlanto-occipital joint.
  6. C facet joint of the cervical spine.
  7. CCJ cranio-cervical junction.