Pipkin femoral head fracture classification

Changed by Francis Deng, 24 Jan 2020

Updates to Article Attributes

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Pipkin classification is the most commonly used classification for femoral head fractures, which are uncommon but are associated with hip dislocations.

Classification

  • type I: fracture distalinferior to the fovea capitis, a small fracture not involving the weightbearing surface
  • type II: fracture proximalextending superior to the fovea capitis, a large fracture involving the weightbearing 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
  • -<strong>type I:</strong> fracture distal to the fovea capitis, a small fracture not involving the weightbearing surface</li>
  • +<strong>type I:</strong> fracture inferior to the fovea capitis, a small fracture not involving the weightbearing surface</li>
  • -<strong>type II: </strong>fracture proximal to the fovea capitis, a large fracture involving the weightbearing surface</li>
  • +<strong>type II: </strong>fracture extending superior to the fovea capitis, a large fracture involving the weightbearing surface</li>

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