Differential diagnoses of sacroiliitis.
| Sacroiliac changes in other rheumatic diseases |
| Osteitis condensans ilii |
| Osteoarthritis of the sacroiliac joint |
| Sacroiliitis in gout |
| Sacroiliitis in crystal deposition diseases |
| Sacroiliitis in familial Mediterranean fever |
| Sacroiliitis in Behçet disease |
| Sacroiliitis in sarcoidosis |
| Sacroiliitis in systemic lupus erythematosus |
| Sacroiliac changes in Paget disease |
| Infectious sacroiliitis |
| Staphylococci, streptococci |
| Mycobacterium tuberculosis |
| Brucella species |
| Postinfectious structural changes in the sacroiliac joint |
| Pelvic fractures |
| Malignancy |
| Lymphoma |
| Leukemia |
| Sarcoma |