Injuries of the extensor mechanism are still a challenge for orthopaedic surgeons. Early accurate diagnosis is important, as the method of treatment and the outcome depend on this. However, other factors include the time since injury, as those treated acutely have a more favourable outcome. Numerous techniques have been described for treating disruption of the quadriceps and patellar tendon. The best results have been obtained by anatomical reconstruction of fresh disruption. For patellar fractures, the best results are reported after anatomical reduction and internal fixation with a tension band, while the worst choice is total patellectomy.
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