Acetabular fracture

Acetabular fracture as seen on plain X-ray

Fractures of the acetabulum occur when the head of the femur is driven into the pelvis. This is caused either by a blow on the side or by a blow in the front of the knee, usually in a dashboard injury when the femur also may be fractured.^[1]

Axial CT image (viewed on bone windows) of a complex comminuted left acetabular fracture involving both anterior and posterior columns.

Patterns of fracture

Tile's classification of acetabular fracture:

I - Simple fracture, anterior or posterior wall column
II - Transverse fracture
III - T - Type fracture involving two columns
IV - Both columns fractures, floating acetabulum

References

↑ Solomon, APLEY'S TRAUMA AND ORTHOPAEDICS, EIGHT EDITION,

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