Not generally ED.: Generally pain the back of the knee with a discrete lump which gets more prominent when you stand is known as a popliteal or baker's cyst. Benign but sometimes painful. Should see your regular doc at next available visit.
Answered 9/28/2016
5.3k views
Knee pain: This does not sound like an emergency. Call your doctor to be checked for the cause.
Answered 9/14/2013
4.9k views
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2 doctors weighed in across 2 answers
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