Knee Surgery

Baker Cyst (Popliteal Cyst)

Baker cyst (popliteal cyst)

Baker’s cyst is  a soft and painless mass seen in the back of knee joint. Baker’s cyst, is actually a fluid-filled sac. Baker’s cyst, as seen in childhood, occurs more frequently in adulthood.

Baker Cyst

What causes baker’s cyst / popliteal cyst?

Baker’s cyst may develop following  a joint sprain or a problem involving knee joint  in children . Baker’s cyst in adulthood / popliteal cyst may develop in, rheumatoid arthritis, gouty arthritis,  osteoarthritis of knee, meniscal tears, or in other knee joint diseases.

How is the diagnosis of Baker’s cyst made?

Experienced orthopaedic specialist may make easily diagnosis of Baker’s cyst with physical examination. Once Baker’s cyst / knee popliteal cyst is diagnosed, orthopedic specialist should perform a detailed physical examination of knee joint to ascertain underlying disease. Baker’s cyst Best viewed with ultrasound. Since, in most Baker’s cyst / knee popliteal cysts cases, patients have an underlying knee joint disease, MRI study should also be planned to scrutinise any joint disease.

How to treat baker cyst?

When seen in the paediatric age group, it is followed by applying anti-inflammatory drugs and elastic bandage. Withdrawing of cyst fluid  is not recommended because of the high recurrence rate. If there is persistent pain despite the conservative treatment for at least three months, Baker cysts can be removed surgically by an experienced orthopaedic surgeon. when dealing with Baker cyst in the knee joint disease in adulthood, it should be kept in mind that Baker cysts usually secondary to the diseases such as rheumatoid arthritis, gouty arthritis or other inflammatory  diseases.  Baker cyst may be resolved with the treatment of underlying diseases.

About the author

Prof.Dr. Seref Aktas