Benign tumor on the back of the knee joint. Tumor consists of accumulated fluid that protrudes between two groups of muscles behind the knee. May result from injury or from diseases, such as arthritis or gout. See Arthritis; gout. Baker's cyst can be surgically removed if it becomes painful, unsightly or presses on blood vessels or nerves. If caused by disease, it usually disappears after successful treatment of the underlying disease.
a collection of synovial fluid behind the knee joint
An accumulation of fluid on the posterior aspect of the knee
A popliteal cyst (behind the knee) which communicates with the knee joint.
Indicates that there is trauma inside the knee joint that leads to excessive joint-fluid production; inflammation of the gastrocnemius bursa. Usually produces localized swelling behind the knee.
A swelling of the knee caused by an escape of fluid from a sac behind the knee.
Bursitis of the semimembranosus or the medial gastrocnemius bursa. Often presents as a large soft tumour mass in the posterior knee and may be associated with degeneration of the knee.
Localized swelling of a bursa sac in the back of the knee as a result of fluid that has escaped from the knee capsule. A Baker's cyst indicates that there is a trauma inside the knee joint that leads to excessive fluid production.
Synonymous with popliteal cyst (see popliteal cyst).
A Baker's cyst, otherwise known as a popliteal cyst, is a benign swelling found behind the knee joint. It is named after the surgeon who first described it, Dr. William Morrant Baker (1839-1896).