Table 4 Number of patients and quality of MRI findings at diagnosis and follow-up (in brackets)
From: Cervical spine involvement in patients with juvenile idiopathic arthritis - MRI follow-up study
Qualitiy MRI findings | Site | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|  | AD + AA + AO | AD + AA | AA + AO | AA | AD | AD + AA + AQ + C2/3 | C2/3 | C2/3 + AO | C2/3 + C4-7 | C3/4 | C4-7 | C4-7 + AA | Dens + Atlas | Dens | Atlas | Sum |
Joint hyperintensity | 5 (1) | 3 (3) | 0 (1) | 2 (4) | 1 (0) | 1 (0) | - | - | - | - | 0/1 | - | - | - | - | 12 (10) |
Joint enhancement | 6 (2) | 4 (5) | - | 1 (0) | 1 (3) | 1 (0) | - | - | - | 0 (1) | - | - | - | - | - | 13 (11) |
Malalignment | 3 (0) | 1 (0) | - | 1 (1) | 3 (1) | - | - | - | - | - | - | 0 (1) | - | - | - | 8 (3) |
Ankylosis | - | - | - | - | - | - | 2 (1) | 0 (1) | 0 (1) | - | - | - | - | - | - | 2 (3) |
Erosion | - | - | - | - | - | - | - | - | - | - | - | - | 0 (2) | 1 (1) | 1 (1) | 2 (4) |
Narrowing of the spinal canal at CCJ | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | 3 (4) | Â | 3 (4) |