Tibial plateau fractures – AO classification

Classification

A: Non-articular

  • A1 – Avulsions
  • A2 – Simple metaphyseal
  • A3 – Comminuted metaphyseal

B: Partial articular

  • B1 – Pure split
  • B2 – Pure depression
  • B3 – Split depression

C: Complete articular

  • C1 – Simple
  • C2 – Articular simple, metaphyseal comminuted
  • C3 – Articular comminution

Explanation

Provide an explanation for key principles and pertinent aspects of the classification

Figures

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Reference(s)

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Last Updated on September 27, 2026

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