OCAD MSK

History

55 y/o F auto versus pedestrian

Figure 1 for case Fibular collateral ligament tear from varus impact injury ( RID2798 )
Figure 1
Figure 2 for case Fibular collateral ligament tear from varus impact injury ( RID2798 )
Figure 2
Figure 3 for case Fibular collateral ligament tear from varus impact injury ( RID2798 )
Figure 3
Figure 4 for case Fibular collateral ligament tear from varus impact injury ( RID2798 )
Figure 4
Figure 5 for case Fibular collateral ligament tear from varus impact injury ( RID2798 )
Figure 5
Figure 6 for case Fibular collateral ligament tear from varus impact injury ( RID2798 )
Figure 6

Discussion

The FCL is an important resistor against varus stress for the knee. Tears of the FCL are unusual as impact on the medial knee isnt nearly as common as a lateral (valgus) impact. The other leg usually protects against varus impact. One way to do it is to start crossing a street and get hit by a car. In this case you can see the medial soft tissue contusion indicating varus impact.

Diagnosis

Fibular collateral ligament tear from varus impact injury ( RID2798 )

Phillip Tirman, MD
Courtesy
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