Tag: Popliteal Fossa

Baker’s Cyst Behind Knee, Popliteal Fossa

Baker’s Cyst Behind Knee, Popliteal Fossa

A Baker’s cyst (also known as a popliteal cyst) is a fluid filled sac (cyst) behind the knee that causes tightness, pain, or knee stiffness that may worsen when you move your leg around or during physical activities. An accumulation of synovial fluid (which lubricates your knee joint) causes the swelling and bulges to form a cyst at the back of the knee when under pressure. The important steps to treating a Baker’s cyst come in resting the affected leg and treating any potential underlying cause, such as arthritis. If you think you have a Baker’s cyst, it is important you visit your doctor to rule out more serious afflictions, such as a blood clot or arterial obstruction.

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