Score: Thompson-Epstein classification

Use: Posterior hip fractures

Type I

With or without a minor fracture

Type II

With a large single fracture of the posterior acetabular rim

Type III

With comminutionof the acetabular rim with or without a major fragment

Type IV

With fracture of the acetabular floor

Type V

With fracture of the femoral head

Reference

Classification and Diagnosis in Orthopaedic Trauma. Editors: Rahij Anwar, Kenneth W. R. Tuson, Shah Alam Khan. Cambridge University Press, 2008