Is called a Baker cyst formation in the popliteal fossa, which significantly reduces the mobility of the knee joint, it develops because of inflammation in the knee joint.
In the medical literature there are names of diseases like – bursitis of the knee or herniation of the knee joint and the cyst Becker. At the same ailment a person notices uncomfortable, especially when pulling or bend the leg.
Often the cyst appears as a consequence of other knee problems such as arthritis or a cartilage damage. In this case, the popliteal fossa is filled with an excessive amount of fluid that stimulates the growth of cysts.
What causes a Baker cyst?
Popliteal cyst Baker develops in the exchange-dystrophic changes in joints, most often after injuries, illnesses meniscus, and as a result of inflammation – rheumatoid arthritis, osteoarthritis, knee injury, damage to the cartilage, psoriatic arthritis, excessive exercise, osteoarthritis and so forth. In some cases, the cyst occurs with no known cause.
That is the main reason for the formation of Hydra below the knee – an inflammation of the mucous mezhsuhozhilnyh bags, which are between the semimembranosus muscle and the tendons of the middle of the head of the gastrocnemius muscle. And these mezhsuhozhilnye mucous bags exist in 50% of healthy people, and the disease is being developed only in the inflammatory process in it, manifesting an increase of bags, breach of motion and pain in the knee.
Since the mucous bags tendon associated with the knee joint cavity through a narrow slit opening when the inner shell of the joint becomes inflamed, fluid is released from the inflammation of the joint cavity occurs in a bag and stored there. The most common cause of inflammation is a disease bags meniscus of the knee.
Among the diseases prior to the appearance of a Baker cyst, can be called:
- cartilage damage
- rheumatoid arthritis
- knee injuries
- chronic synovitis (inflammation of the synovium)
- Transformation degenerative meniscus
- patellofemoral arthrosis
Symptoms of Baker’s cysts
On the development of a cyst Baker knee can be judged by specific symptoms. At the initial stage of the disease is manifested by some discomfort or no symptoms at all. In the future, the cyst grows and compresses the surrounding nerves. It causes pain, numbness and tingling in the soles, which prevents bending the knee fully.
and changing the appearance of the popliteal fossa. In particular, there is a small tumor formation at palpation felt his firmness and density. In most cases, it depends on the individual patient. Some do not feel anything special, while others suffer from intense simtomov such as:
- a sharp pain in the knee joint
- a decrease in its mobility
- swelling on the back of the leg
If the development of such symptoms Baker’s cysts should immediately contact a doctor to recognize the disease in time. It happens so that the cyst does not arise by itself, but is a sign of dangerous diseases, such as tumor or aneurysm of the popliteal artery.