Bekker's cyst (hernia of the popliteal fossa, bunion of the popliteal fossa) - protrusion in the popliteal fossa, which is formed due to inflammation in the knee joint.
Popliteal cyst of Becker is formed with exchange-dystrophic (for example, in diseases and post-traumatic changes of the meniscus) and inflammatory (rheumatoid arthritis, etc.) diseases.
At the first stages of the cyst, Becker is asymptomatic or accompanied by weak unpleasant sensations. With a further increase in the cyst, the nerves located nearby begin to squeeze, causing pain, tingling or numbness in the area of the sole and preventing the patient from completely bending the knee joint.
On examination, sometimes visible tumor-like formation in the popliteal fossa. The feel of Becker's cyst is elastic, dense. Her palpation is accompanied by mild soreness.
The diagnosis of Becker's cyst is exhibited by a traumatologist or orthopedist on the basis of patient complaints, a characteristic clinical picture and the results of additional studies. To confirm the diagnosis, ultrasound and MRI of the knee joint are used. In some cases, arthroscopy of the knee joint is needed to diagnose or schedule a surgery.
In the department of orthopedics and traumatology, operative and conservative treatment of Becker's cyst is possible. Conservative therapy consists in puncturing Bekker's cysts to remove the inflammatory fluid and then inserting into the cavity of the interstitial bag of corticosteroid preparations (eg hydrocortisone). In parallel, the main knee disease is treated (rheumatoid arthritis, removal of the damaged part of the meniscus, etc.).
Operative treatment of Becker's cyst is shown with its long existence, large size, compression of nerves, blood vessels and soft tissues, restriction of flexion of the knee joint and failure of conservative therapy. The operation is made under local anesthesia. Above the protrusion make a small incision, the Becker cyst is isolated, the joint of the tendon bag with the knee joint is stitched and bandaged, after which the cyst is removed. In recent years, an arthroscope has often been used to remove Becker's cysts, which makes it possible to reduce the traumatic nature of surgical intervention.