A member asked:

I have a hard lump behind my knee that comes and goes it causes a big bulge at the back it can be painful when walking and feels tight what is it?

A doctor has provided 1 answer
Dr. David Wyatt answered

Specializes in Family Medicine

Cyst?: That is a common area for a fluid filled cyst to occur - usually in one of the the tendons of the posterior knee... Also known as a baker cyst. Should be looked at by md and evaluated -.

Answered 5/2/2019

5.3k views

Thank

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