Postero-lateral corner injury of the knee - arcuate ligamentous complex disruption

Case contributed by Dr Chris O'Donnell


Hyperextension injury on a motorbike

Patient Data

Age: 18 years
Gender: Male

Signs of a marked hyperextension injury with impaction of the tibial plateau anteriorly against the medial femoral condyle anteriorly producing depression of the articular surface. Partial disruption of the posterior cruciate ligament, together with disruption to the lateral collateral ligament, biceps insertion onto the fibular head and popliteus tendon. Iliotibial band remains attached.

Case Discussion

This is a highly unstable injury that usually requires surgical fixation

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Case information

rID: 19665
Published: 2nd Oct 2012
Last edited: 10th Nov 2015
Inclusion in quiz mode: Included

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