Imaging Case of the Week 200 Answer

The x-rays look benign but have features of significant internal knee derangement.

The frontal view shows a Segond fracture, widened medial compartment of the knee, and significant medial soft tissue swelling.

knee injuryThe HBL view shows a lipohaemarthrosis and an avulsion fracture of the upper part of the posterior tibia (PCL avulsion fracture).

PCL avulsion fracture

An MRI scan of the knee joint revealed a multi-ligament knee injury, involving the ACL, PCL, MCL, and the medial meniscus.

 

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