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Becker cyst under the knee, what is it and how to treat?

Some inflammatory diseases of the knee joint lead to fluid accumulation in the intercirculatory bag and the formation of a Becker cyst under the knee. How to treat this disease, what are its causes, signs and are there any complications? Answers to these questions are presented below.


Becker Cyst - what is it?

Another name for the disease is hernia or bursitis of the popliteal fossa. The Becker cyst of the knee joint develops in a bag located between the tendons of the semimembranous and gastrocnemius muscles.

It is formed with a significant accumulation of synovial fluid due to injury or prolonged inflammation in the articular tissues. Cyst restricts mobility in the knee, hurts when moving.

It is better to understand what this such a general scheme will help: elastic cartilage tissue, ligamentous apparatus and synovial fluid provide movement of the joints. The latter works as a lubricant, reducing friction and circulating over the entire articular surface.

Becker's cyst under the knee

Becker's cyst under the knee, photo and diagram

A certain amount of it penetrates into the region of the tendons. If its volume increases, then it accumulates in an intercirculatory bag - this is how Becker's cyst appears.

Code in ICD 10 (International Classification of Diseases) - M71.2 - Synovial cyst of the popliteal area [Becker]

The primary cause of education is a pathology in the knee joint, for example:

  • arthritis, in particular rheumatoid;
  • gonarthrosis;
  • knee injury, accompanied by damage to the cartilage;
  • osteoarthritis - in almost half of cases it leads to pathology;
  • inflammation of the meniscus.

The inflammatory process is accompanied by the formation of a pathological exudate, which also penetrates into the interstitinal fossa.

Signs and symptoms of cyst, photo

Kist Becker photo

Kist Becker photo

In the early stages of development, the popliteal fossa bursitis does not manifest itself. Increasing in volume, the cyst leads to the fact that it becomes difficult to bend the leg in the knee, and a palpation feels painful and dense formation. Later, the bag filled with liquid delivers pain even at rest, and when you try to move, the pain increases.

An additional symptom of Becker's cyst is a feeling of numbness or tingling in the foot due to the fact that the nerves running to the heel of the knee are squeezed.

To identify the presence of a hernia of the popliteal fossa allow such methods of examination:

  • Ultrasound of the knee joint and adjacent areas;
  • MRI - shows the structure of the tissue "in section", from different sides;
  • Arthroscopy is a minimally invasive method for examining articular and tendon elements. It is performed under local anesthesia by introducing a microcamera through a small hole.

Radiography for the diagnosis of Becker cyst does not apply, because it does not detect such formations.

How to treat Becker's cyst?

becker cyst operation

Treatment for a Becker cyst may be conservative or surgical. In the first case, drainage is performed - the hernia is punctured and the contents are removed through the catheter. To relieve the inflammatory process, drugs are injected into the cyst cavity:

  • corticosteroid drugs (diprospan, dexamethasone, kenalog);
  • NVPS (Indomethacin, Ketoprofen, Ibuprofen).

Antispasmodics are also used to relieve pain and muscle tension (Diazepam). After drainage, the patient wears elastic dressings, knee pads until the joint mobility is fully restored, which takes 10-15 days.

At the same time, the main pathology is being treated that caused the development of a cyst - arthritis, arthrosis or another disease. The level of physical activity should be reduced, microcurrents, magnetic therapy and other methods of physiotherapy are useful.

Surgical removal of a Becker cyst is indicated if:

  • hernia squeezes nerve fibers and blood vessels;
  • low or no effect from conservative treatment;
  • the size of the cyst is large or there is an old cystic tumor.

Surgical treatment is carried out under local anesthesia, during surgery, Becker's cyst is pulled and removed. For this, an arthroscope or endoscope is used — that is, a minimally invasive intervention.

To completely stop the pathological process, it is important to eliminate the cause of the hernia of the popliteal fossa. For example, surgery to restore cartilage may be required.

Folk treatment of Becker cyst makes sense to use only in the treatment of small hernia. Many plants help relieve pain and reduce inflammation:

  • Birch buds, mountaineer grass, mint, plantain, nettle and lingonberry leaves mix in equal parts, and take an infusion every day, prepared from 1 tbsp. l collection and 200 ml of boiling water.
  • Compress the popliteal area of ​​multi-layer gauze dipped in an alcoholic tincture of a golden mustache or in a decoction of spice of cloves and dandelion.
  • Scald cabbage and place on a greased sore spot, wrapped with polyethylene and a warm cloth on top.

To consider the recipes of traditional medicine as the main treatment is unacceptable.

Complications after Becker's Cyst

Hernia popliteal fossa without timely treatment can lead to complications, including:

  • Venous congestion and swelling in the lower leg and foot, in severe cases, the appearance of non-healing weeping trophic ulcers on the limbs.
  • Becker cyst rupture and the penetration of synovial and inflammatory fluid in the ankle tissue leads to acute pain, swelling, and reddening of the skin and requires immediate medical attention.
  • Thrombosis and inflammation of the venous walls, which is fraught with the separation of the thrombus and its entry into the vital organs. Particularly dangerous pulmonary artery blockage, leading to instant death.
  • Necrosis of the muscles, osteomyelitis, sepsis due to impaired blood supply to the tissues.

Preventive measures

Prevention of cyst Becker comes down to the following:

  • Treatment of diseases of the knee.
  • Caution in sports, knee protection from injury using protectors.
  • Periodic courses of admission chondroprotectors, especially after 40 years, which is aimed at preserving cartilage tissue.
  • Elimination of infections present in the body.

If you find pain and discomfort in the popliteal area, do not hesitate to visit the doctor - this is the key to successful treatment and the absence of dangerous complications.

2016-12-07 13:17:35
As the surgeon explained to me, this ksita is formed due to arthrosis. Now they removed, they said, to prick the elbonum every six months, so that the joint was restored and there were no more cysts.
2017-03-03 03:03:26
I was prescribed chondrolone, the cyst got out again anyway. Maybe Elbon is better, but for some reason we don’t even sell it ...
2017-04-15 04:17:52
Elbon is glucosamine, as in don. She just ours, so it is cheaper. And chondrolone is chondroitin, it does not help everyone.

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