Plica

1. What is plica of the knee?
2. What is the presentation of plica?
3. How is plica diagnosed?
4. What is the treatment of plica?

Answers:
1. Plica is a redundant fold in the synovial lining of the knee, which is susceptible to tearing.
2. Insidious onset of anterior knee pain, especially with prolonged knee flexion or sitting. The plica can also become inflamed after knee trauma.
3. MRI, arthrogram, and arthroscopy.
4. Treatment same as for patellofemoral syndrome. Consider surgery if conservative measures fail.