Epidemiology
Most common in thumb
Bilateral in 15%
Clinical
Present with FFD of thumb / finger
Pathology
Thumb
- constriction of A1 pulley
Finger
- nodules in FDS or FDP
- may have anomalous insertion lumbrical
Operative management
Thumb
Release A1 pulley
Finger
Extensive exposure / progressive releases
- release A1 pulley
- release anomalous insertions
- partial release A2 and A3 pulley
- release single slip FDS