A proximal fibular avulsion fracture is commonly associated with injury to the posterior cruciate ligament, anterior cruciate ligament, popliteus, or meniscus. It is frequently seen with bone contusions and sometimes a tibial plateau fracture .
- Pearl: Injury to the common peroneal nerve may occur as well. Remember to perform a thorough neurovascular examination .
- Pearl: This fracture is a sign of posterolateral instability and likely internal derangement of the knee. Outpatient MRI can be used to evaluate the soft tissue components of the injury and diagnose associated injuries .