Classification Description Notes
Type 1 Fracture inferior to the fovea capitis Can be treated conservatively in nondisplaced
Type 2 Fracture separates the fovea capitis from femoral head Typically treated operatively
Type 3 Pipkin 1 or 2 plus femoral neck fracture Increased risk of AVN. Percutaneous fixation in younger patients, arthroplasty in older patients
Type 4 Pipkin 1 or 2 plus acetabular fracture Treatment depends on configuration of fracture fragments



Droll, K. P., et al. (2007). “Fracture of the femoral head.” J Am Acad Orthop Surg 15(12): 716-727.

Pipkin G: Treatment of grade IV fracture-dislocation of the hip. J Bone Joint Surg Am 1957;39:1027-1042.