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What's a baker cyst?

7 doctors weighed in
Dr. Thomas Deberardino
Orthopedic Surgery
6 doctors agree

In brief: Cyst behind the knee

A baker's cyst is classically a fluid filled cyst behind the knee.
The cyst usually communicates with the knee via a small hole in the capsule or via the base of a tear in a meniscus. The knee makes fluid normally, but osteoarthritis or a mensical tear can cause an increase in fluid production, thus increasing pressure. The pathway of least resistance is out the back of the knee where a cyst forms.

In brief: Cyst behind the knee

A baker's cyst is classically a fluid filled cyst behind the knee.
The cyst usually communicates with the knee via a small hole in the capsule or via the base of a tear in a meniscus. The knee makes fluid normally, but osteoarthritis or a mensical tear can cause an increase in fluid production, thus increasing pressure. The pathway of least resistance is out the back of the knee where a cyst forms.
Dr. Thomas Deberardino
Dr. Thomas Deberardino
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