Ganglion cysts arise as pouches of fluid that come from the small joints of the wrist, or from the fluid within the sheath that surrounds the wrist tendons. When the fluid, called synovial fluid ...

The popliteal cyst occurs because the knee is trying to cushion itself using extra synovial fluid. Synovial fluid is a fluid within the knee joint that cushions and lubricates the joint and this ...

The Baker’s cyst or popliteal cyst occurs when there is too much synovial fluid within the knee as a result of increased inflammation in the knee. This fluid fills a water-filled sack in the ...