Also known as Baker's<unk> 
Develops posteriorly and inferiorly to the knee as herniation of the synovial membrane of the knee capsule
The<unk>  communicates with the knee joint and is the leading cause of posterior knee pain
Popliteal cyst
Knee dislocation
Varicocele
Knee fractures
Superficial thrombophlebitis
Patella fracture
Subungual hematoma
Segond fracture