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A 31-year-old female asked:

in addition to the pain in my knees, i've noticed a lump on the outside of my left knee... the lump protrudes when i flex or straighten my leg.

2 doctor answers3 doctors weighed in
Dr. Michael Lyons
Podiatry 18 years experience
Lump: May be a ganglionic cyst.
Dr. Tracy Lovell
Rheumatology 21 years experience
See below: This could be fluid or cyst. It would be best to have this evaluated by a doctor.

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Last updated Jul 8, 2017
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