Fig. 3From: Arthroscopic internal drainage and cystectomy of popliteal cyst in knee osteoarthritis a, b An arthroscopic view through posteromedial portal shows debridement of synovial membrane (on the right side of the shaver) of popliteal cyst cavity working through superior posteromedial portal. The semimembrane tendon, gracilis tendon, and semitendinosus tendon aligned from anterior to posterior on the left side of shaverBack to article page