Classification

Type A: Stable fracture


A1: Fractures of the pelvis not involving the pelvic ring


A2: Minimally displaced fractures of the pelvic ring

Type B: Rotationally unstable, vertically stable fractures


B1: Anteroposterior compression fractures (open book)


B2: Lateral compression injuries (ipsilateral)


B3: Lateral compression injuries (contralateral)

Type C: Rotationally and vertically unstable fractures


C1: Rotationally and vertically unstable


C2: Bilateral


C3: Associated with an acetabular fracture

Explanation

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Figures

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Reference(s)

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