The synovial plica is a synovial fold found along the inside of the kneecap causing pain and discomfort. It is sometimes be confused or misdiagnosed as patellofemoral pain syndrome as the symptoms can be similar.
Synovial plica symptoms
Symptoms of a synovial plica include a sharp pain at the front inside edge of the kneecap. The pain may also be towards the back of the patella. The athlete may feel a sharp pain when squatting. A synovial plica may sometimes feel like a thickened band under the inside of the kneecap.
What is a synovial plica?
The knee joint is lubricated with a substance called synovial fluid. This fluid is surrounded by and produced by a sheath called the synovial sheath. The synovial plica is a synovial fold found along the inside border of the kneecap. The synovial sheath may also become more widely inflamed. This is known as knee synovitis.
Synovial plica prevention
A synovial or patella plica should be considered the main cause of pain only when the patient has failed to respond to treatment of patellofemoral pain syndrome. A surgeon may perform an arthroscopy to look into the joint, identify a plica and remove it.