nalebuff classification

Deformity

Ulna drift & volar dislocation

Causes of MCPJ Deformity

Ulna Drift / Ulna Dislocation

1.  Physiological

Conditions

1.  PIPJ Synovitis

- synovectomy via dorsomedial approach

2.  Flexor tenosynovitis

- may cause trigger finger

- trial HCLA

- remove synovits but don't release A1 pulley

- will worsen ulna drift

3.  DIPJ

- rarely affects

Rheumatoid Arthritis Diagnostic Criteria

1987 American College of Rheumatology 

Need 4/7 (MAX RANS)

1. Morning Stiffness

2. Arthritis of 3 areas > 6/52

3. Xray changes

4. Rh factor

5. Arthritis of Hand > 6/52

6. Nodules

7. Symmetric Arthritis > 6/52