aetiology
Last reviewed 01/2018
Primary cysts:
- thought to be caused by repeated small trauma of the bursa related to muscle contraction (1)
Secondary cysts:
- meniscal tears
- anterior cruciate ligament insufficiency
- degenerative cartilage lesions (2)
Other rare aetiological factors causing popliteal cysts include:
- infectious arthritis
- polyarthritis
- villonodular synovitis
- some connective tissue disorders
- osteochondritis - in children (2)
Reference: