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Usefulness of the various imaging modalities for the early diagnosis of inflammatory joint disorders
| X-ray | US | MRI | Nuclear medicine | CT | |
|---|---|---|---|---|---|
| Rheumatoid arthritis | – | + | + | + | – |
| Inflammatory spondylarthropathy | – | +− | ++ | + | +− |
| Gout | +− | +− | +− | – | +− |
– means not usually useful, +− means may or may not be useful depending on clinical circumstances, + means usually useful, ++ means method of choice
