1. Rheumatoid arthritis - bone erosion

A and B, Radiographic features of aggressive, early rheumatoid arthritis.

2. Ulnar deviation.

3. Advanced rheumatoid arthritis of the hands: metacarpophalangeal replacement.

Advanced rheumatoid arthritis of the hands: metacarpophalangeal replacement.

Dactylitis in the hand and foot

4. Left and right hand of a 67-year-old male at first presentation

5. Boutonniére deformity in rheumatoid arthritis

7. Asymmetric hand swelling in rheumatoid arthritis

6. Swan neck deformity in rheumatoid arthritis

Ulnar styloid prominence in rheumatoid arthritis

Stenosing tenosynovitis (trigger finger)

Stenosing tenosynovitis (trigger finger)

7. Acute tenosynovitis in rheumatoid arthritis

8. Tenosynovitis of the foot.

PsA with rheumatoid-like features - fibular deviation of the toes

9. Toe deformities in rheumatoid arthritis

10. Rheumatoid foot deformities

11. Erosive arthritis of the feet

12. Pes planus in rheumatoid arthritis