Middle phalanx base fracture | |||
Intraarticular | I | Nondisplaced | |
II | Comminuted / Central Impaction | ||
III | Marginal with Subluxation | Dorsal Segment Failure | |
Palmar Segment Failure | |||
Collateral ligament Failure | |||
IV | Fracture Dislocation | Dorsal Fracture Fragment | |
Palmar Fracture Fragment | |||
Central impaction | |||
Dorsal and palmar fragments | |||
Collateral ligament fragment | |||
V | Longitudinal Split | ||
Extraarticular |