The plica is a fold in the membrane surrounding your knee joint. Plica syndrome happens when one of your plica is inflamed, usually due to an injury. Your knee joint is surrounded by a fluid-filled ...

In a study of patients who had primary arthroscopy, investigators found patients with suprapatellar plica syndrome demonstrated complete septum type suprapatellar plicae. Perspective from Andrew J.

There are many causes of knee pain, but yours could be the result of a small part of your knee called the plica. A plica is a fold in the thin tissue that lines your knee joint. Most people have four ...