Table 1.
Type | 1 | No DIP joint subluxation |
2 | DIP joint subluxation | |
3 | Epiphyseal and physeal injuries | |
Subtypes | A | <1/3 of articular surface involvement |
B | 1/3 to 2/3 articular surface involvement | |
C | >2/3 articular surface involvement |
Abbreviation: DIP, distal interphalangeal.