A Feeling Like A Ball Is Rolling Around Behind My Knee.what Can I Do?


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Deborah Wacker Profile
Deborah Wacker answered
It could be one of two things. First it could be a cyst that has developed back there and second it might be a boiled that is forming. With the boil though you would have pain, redness and swelling. A cyst feels like jello roaming around one area,.

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