trapeziectomy

Rheumatoid Thumb

Nalebuff Classification

 

Type I - Boutonniere 

- commonest

- MP flexion /  IP hyperextension

- usually EPB rupture with EPL subluxation

 

Rheumatoid Boutonniere Thumb

 

Type II

- Boutonniere & Swan Neck

- doesn't exist according to Nalebuff

 

Base of Thumb OA

Definition

 

Degenerative arthritis at trapeziometacarpal joint (CMC)

- trapezoid - metacarpal

 

Epidemiology

 

Commonest hand joint involved in OA 

 

Most common in older women