Pipkin IV fracture of the left femoral head.
Classification
type I: fracture distal to the fovea capitis, a small fracture not involving the weight-bearing surface
type II: fracture proximal to the fovea capitis, a large fracture involving the weight-bearing surface
type III: type I or II fracture with a fracture of the femoral neck, has an increased risk of avascular necrosis
type IV: type I or II fracture with a fracture of the acetabular wall, usually the posterior wall