Presentation
Fall from height
Patient Data
comminuted fracture of the lateral tibial plateau with compression of the ipsilateral plateau and contusion over the lateral tibial condyle
diffuse subcutaneous edema over the anterior and lateral aspects of the knee
moderate joint effusion with a blood fluid level, suggesting hemarthrosis
a few loose bodies within the joint space
hyperintense signal within an anterior cruciate ligament (ACL) with intact fibers, suggesting strain/partial thickness tear
the posterior cruciate ligament (PCL) appears bulky with a hyperintense signal within, suggesting tendinopathy
unspecific linear intrameniscal signal in the anterior and posterior horn of the lateral meniscus not reaching the surface
a well-defined lobulated mass lesion within the medullary cavity of the medial tibial condyle; the lesion appears heterogeneous with focal signal drops within, suggesting enchondroma
Case Discussion
The above features are typical of a lateral tibial plateau fracture with spilled depression - Schatzker II.
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