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A 55-year-old female asked:

Had severe stiffness straightening leg.xrays showed golf ball sized calcium deposit behind knee.doc used a needle to extract fluid. causes please.

1 doctor answer1 doctor weighed in
Dr. Oscar Novick
Pediatrics 59 years experience
Popliteal cyst: You may have a popliteal or baker's cyst behind your knee it is benign and it contains synovial fluid.
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Last updated Jul 16, 2018


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