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An orthopedic surgeon examining patient's knee.

When there is an injury to the knee joint, the body may respond by stimulating synovial fluid production to protect the joint. In some cases, too much synovial fluid is produced, resulting in an accumulation of the fluid in a sac behind the knee. This condition is called a Baker’s or popliteal cyst, which can impact the function of the knee joint. At Robotic Hip and Knee Replacement LA, we offer treatment for popliteal cysts/Baker’s cyst surgery at our medical center in Los Angeles.

Causes and Symptoms of Popliteal Cysts

Both injury and degenerative conditions can cause a popliteal cyst, or Baker’s cyst, behind the knee. If the meniscus or cartilage is damaged in the knee, it can stimulate the synovial cells to produce extra lubricating fluid. Too much fluid in the knee joint can drain and create a fluid-filled sac, or a popliteal cyst, on the back of the knee. The symptoms include:

  • A bulge behind the knee
  • The knee may feel “tight”
  • Difficulty straightening or extending the knee
  • Pain in the knee and calf
  • Locking or catching in the knee joint

Conservative treatments are usually recommended for Baker’s cysts, including rest, anti-inflammatory medications and possibly physical therapy. However, if a popliteal cyst is causing pain or restricting movement, draining or removing the cyst may be recommended.

Baker’s cyst treatment can include diagnosing and addressing the underlying cause of excess fluid buildup. Articular cartilage damage or meniscus tears may require treatment to reduce the production of synovial fluid in the knee joint.

If you have symptoms of a popliteal cyst and need treatment, contact our medical team at Robotic Hip and Knee Replacement LA in Beverly Hills to book your appointment. We offer treatment for many types of knee injuries and conditions, as well as Baker’s cyst surgery.

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