Isolated posterolateral corner (PLC) injury associated with a Schatzker type 2 fracture is a very rare combination of injuries. A male who was driving a motor vehicle was injured after a collision accident. The plain radiographs and computed tomography scans of the knee showed a Schatzker type 2 fracture of the tibial plateau, mostly in the anterolateral portion of tibial plateau, and an avulsion fragment on the fibular tip. Magnetic resonance imaging showed no injury to cruciate ligaments, medial collateral ligament, or any meniscal injury. We performed an open reduction operation and internal fixation for treating the fracture. Six months later, he complained of instability. At 11 months later after initial operation, we performed the second operation for stabilizing the PLC. We present here a rare case of an isolated PLC injury associated with a Schatzker type 2 fracture. We discuss the mechanism of injury and review similar cases.
Periprosthetic acetabular fracture (PAF) is an uncommon complication following hip arthroplasty. However, as the number of people needing hip prostheses continues to rise, the absolute number of PAF is expected to increase as well. These fractures may occur either intraoperatively or postoperatively. Postoperative fractures can be caused by traumatic events or by pathologic conditions related to periacetabular osteolysis. The management of PAF usually depends on the degree of displacement and the stability of the acetabular component. While most of non-displaced fractures can be managed nonoperatively by protected weight bearing, displaced fractures with unstable implants require surgical intervention, which is often technically challenging. This review summarized the latest findings on the epidemiology, the diagnosis, the classification, and the treatment of PAF.
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Treatment of Periprosthetic Femoral Fractures after Hip Arthroplasty Jung-Hoon Choi, Jong-Hyuk Jeon, Kyung-Jae Lee Journal of the Korean Fracture Society.2020; 33(1): 43. CrossRef