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A 39-year-old female asked:

I have swelling in my knee, with pain behind it and on both sides. it feels like a ball is inside my knee and has fluid on it. i am only 15. when shou?

1 doctor answer2 doctors weighed in
Dr. Mark Hutchinson
Orthopedic Surgery 34 years experience
Get checked: Several choices of what it could be sp probably should get checked.

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Last updated Mar 28, 2013

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