4.

Subtalar dislocations are rare injuries that typically occur from high-energy injuries. All subtalar dislocations should be attempted to be closed reduced, however, ~32% are irreducible requiring open reduction. We present an irreducible medial subtalar dislocation following a motor vehicle accident with no associated fractures demonstrated on radiograph. However, open reduction revealed an incarcerated anterior talar head fracture that was reduced and stabilized with retrograde K-wires.

Background: Peroneal nerve injury following knee dislocation is a known complication described in numerous case reports. However, this complication has very rarely been described following patellar dislocation. We focus on the presentation and subsequent treatment of this complication. Case: We describe a thirteen-year-old patient who developed a deep peroneal nerve palsy following patellar dislocation. After her initial visit for patellar dislocation, our patient developed foot drop over the course of one week. Six months following her injury, she had fully functional recovery of the nerve with conservative treatment. Conclusion: Residual deep peroneal neuropathy following patellar dislocation is an exceedingly rare complication. Treatment should consist of conservative measures initially; however, surgical exploration may become necessary.

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