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Correlation between the Schatzker and AO classifications. I/41B1: lateral shearing; II/41B3: lateral shearing and collapse; III/41B2: lateral collapse; IV/41B1: medial shearing and/or collapse; V/41C2: total bicondylar joint; VI/41C3: total joint with metaphyseal extension. Notice the lack of correction between Schatzker subtypes II and III and the B subtypes in the AO classification.
