Rheumatoid arthritis radiological classification
| Grade | Description |
|---|---|
| 1 | Osteoporosis & soft tissue swelling |
| 2 | Marginal errosions & very slight narrowing of joint space |
| 3 | Joint space narrowing becomes marked |
| 4 | Punched out errosions through subchondral plate |
| 5 | Normal anatomical contours of articular surface destroyed |
