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A member asked:
What are potential causes of swelling behind the knee?
A doctor has provided 1 answer
Baker's cyst: Localized swelling behind the knee is typically a baker's cyst or popliteal cyst. These cysts can arise if there is fluid within the knee joint. To treat the baker's cyst, you need to identify the cause of the fluid in the knee first. An unusual cause of swelling behind the knee is a popliteal aneurysm - a potentially worrisome problem. Consult with an orthopaedic surgeon to start.
Answered 3/15/2019
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