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Florian Gebhard, Phil Kregor, Chris Oliver

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Rick Buckley, Chris Colton

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Partial articular, lateral sagittal fragmentary fracture (AO/OTA 34B1.2)

Partial articular, fragmentary, sagittal, fractures of the lateral patella are classified by AO/OTA as 34B1.2 fractures.

They may be due to direct impact to the front of the knee (eg, dashboard injury). The surgeon must not confuse a well-corticated superolateral bipartite patella with an acute fracture.

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