Table 1 Active and structural imaging features in sacroiliitis
Number of cases | Percentage | Number of total cases | Percentage | |
|---|---|---|---|---|
Active changes in MRI | ||||
Edema | 19 | 47.5 | 21 | 52.5 |
Effusion | 2 | 5 | ||
Structural changes in MRI | ||||
Erosions/backfill | 16 | 40 | ||
Fat deposition | 34 | 85 | 38 | 95 |
Subchondral sclerosis | 19 | 47.5 | ||
Bone ankylosis | 13 | 32.5 |