Classification
Thompson & Epstein
| Type | Description |
|---|---|
| I | with or without minor fracture |
| II | with fracture posterior acetabular rim |
| III | with comminution of actabular rim |
| IV | with fracture acetabular floor |
| V | with fracture of femoral head (subclassification by Pipkin) |
Pipkin
| Type | Description |
|---|---|
| I | dislocation with femoral fracture caudal to fovea centralis |
| II | dislocation with femoral fracture cephalad to fovea centralis |
| III | Type I or II + fracture of femoral neck |
| IV | Type I or II + fracture of acetabulum |