Baker's Cyst Information

Last updated on 27 April 2021 by Danniel Jacques (B.Med.Sci UNSW)

What is a Baker’s Cyst?

Baker's Cyst

A baker cyst is a painful condition which can be characterised by swelling in the back of the knee.

This swelling occurs due to inflammation in the synovial joint which encapsulates the knee resulting in the out-pouching of fluid into a little balloon type sac from the synovial lining.

When this condition develops, synovial fluid (which is normally contained in a tough capsule that encases the knee joint) collects in the baker’s cyst and bulges behind the knee.

This is also called a “popliteal cyst” as it directly affects the popliteal region of the knee (that shallow depression located behind the knee joints).

If left untreated it is possible for it to rupture. A ruptured baker’s cyst may then cause the collected synovial fluid to transfer and travel down the calf muscles of the legs. This can then trigger rapid swelling and discomfort of the leg which may then cause further complications.

What Causes a Baker’s Cyst?

Baker’s cysts are quite common and can be caused by nearly any joint-related inflammation. Some of the most common causes may include;

  • A micro tear in the knee’s meniscal cartilage
  • Repetitive stress injury.
  • Wear & tear in the knee (which is more common in older adults)
  • Injury to the anterior cruciate ligament of the knee (ACL injury)
  • Sports-related injury that affects the knee
  • The type of work that a person does may also make them more susceptible. This include jobs that involve being on your knees, such as a gardener or carpenter. Also such jobs that require long shifts without sitting or unusual weight loading through the knees such as nursing.

A baker’s cyst is also know as a >> popliteal cyst

What are the Symptoms of a Baker’s Cyst?

Symptoms may include visible swelling or protrusion on the back of the knee (which can be either with our without pain), constant and prolonged knee pain, and tightness at the back of the knee or simply a feeling of tenderness at the back of the knee.

If left untreated a baker’s cyst may actually rupture. A ruptured or burst baker’s cyst can cause a lot of pain and discomfort and can present very similarly as a blood clot as there will also often be calf related pain.

How is a Baker’s Cyst Diagnosed?

It is always best to visit a qualified medical professional if you suspect that you have either a baker’s cyst or feel that your baker’s cyst may have ruptured or burst.

Your doctor will likely require you to have an ultrasound which will be able to confirm a diagnosis of baker’s cyst and also importantly rule out or alert the doctor of any existence of a blood clot.

If there is an infection suspected then a blood test and maybe an aspiration of the synovial fluid may be required for testing and culturing. In some cases an x-ray and or MRI may also be required to rule out any co-exist conditions that may have contributed to the condition.

Next Page: Learn the answers to the most common questions asked about treating a baker’s cyst, including:

Testimonials

Real accounts by real people. Hear what they have to say!

Baker's cyst

Hi there!

My mother had 20 patches, it made lots of different for her knee, she got a big relief out of it, she start bending her knee now after many years,

With best regard

Mesrak M
Argyll, United Kingdom
Baker's cyst on both knees

I have been meaning to write you for some time now and tell you how great the OSMO patches have worked for me. 

I have Baker’s cyst that have developed over the past four years on both knees and have gone to an Orthopedic Specialist to have them drained via syringe numerous times, plus the cortisone shots.  Researching the topic one day, I discovered your website and hesitantly ordered the OSMO patches.  Just last week, I re-ordered your patches for the third time…. they work amazing. There is such a difference when I wake up in the morning after sleeping with them on my knees. 

The fluid is drawn out and mobility is greatly improved.  I will probably need surgery one day to repair torn cartilage in my knees, but these are a greatly helping me with the swelling/fluid build up like nothing else has before.
 
Thank you for developing such a wonderful product and for the prompt and efficient service when placing an order.  They are really helping me.

Janet R
Georgia, United States
Baker's Cyst

I don’t know how to submit a testimonial, so I am just sending you a thank-you note. I had a baker’s cyst over a year ago, and with time (months), it diminished. Doctor said he did not recommend anything but the R.I.C.E. therapy (which helped some). Thought it was a one and done, but no. […]

Regina L
GA, United States
Baker's cyst.

Back in July I hurt my knee, and later formed a bakers cyst. I had to walk with my leg stiff at all time, bending my knee was something that I could not do without a lot of pain…I was looking online one day and found your site..

And order a ten pack…used them, and in no time the swelling was down, but not gone. I could bend my knee and walk normal…something I have not done since July

I just want to say thank you! Thanks to you and your patches, my knee is almost back to normal…
Thanks again for your patches…the best thing I have ever used.

Donna J
Missouri, United States
Baker's cyst

Hello! I wanted to write to let you know that I truly feel that a combination of your OSMO patches and infrared laser treatments on my knee have nearly cured my knee.  I had a probable torn miniscus, and had developed a baker’s cyst behind the knee from the injury.  I am a very active […]

Linda M
Michigan, United States
Popiteal cyst

Dear Toky, Thank you for the OSMO Patches they arrived Friday 18th February just five days after I placed an order! OSMO Patches have the Wow factor. I used two patches at a time, one on the popiteal cyst and one on the calf. After four days the popiteal cyst was so much better. I […]

Bernice M
Avon, United Kingdom
Baker's cyst

Received patches on 10 day (Nov.8). Thanks. Patches have been positive results for my Barkers Cyst. Will probably order more patches latter on to keep my knee in shape. Regards

Roger B
Alberta, Canada
Baker's Cyst

I just want to let you know that I had a very painful Bakers Cyst behind my right knee. I had around 20 patches, one each night and the cyst has gone. Such a great relief from the pain. I am back again buying more as I have some fluid on top of the knee, […]

Carole M
London, UK
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