Thompson and Epstein classification

The Thompson and Epstein classification is a system of categorizing posterior fracture/dislocations of the hip.^[1][2]

Classification

Type	Description
I	with or without a minor fracture
II	with a large single fracture of the posterior acetabular rim
III	with comminution of the acetabular ring
IV	with a fracture of the acetabular floor
V	with a fracture of the femoral head

See also

• Acetabular fracture