[Clinico-arthroscopic analysis of the synovial plica of the knee]

In order to evaluate frequency of synovial plica and diagnosis of synovial plica syndrome 200 knees were analysed clinically and arthroscopically. In 79 (39%) knees synovial plica was the only finding or together with damages of other structures of the knee. As the isolated finding and the cause of plica syndrome, the mediopatellar plica was diagnosed in 16 (8%) patients. The crossed mediopatellar plica was found in 6 patients and in 1 patient it was the cause of plica syndrome. In four patients the infrapatellar plica was in the form of the complete septum.