Q: What is a Baker's cyst, and what is the best way to get rid of it? A: A Baker's cyst is a collection of fluid behind the knee. It was named after a British surgeon, William Baker, who described ...

DEAR DR. ROACH: I’m 80 and in very good physical shape. I walk 10-20 miles or more on hiking trails weekly, even though I have a pacemaker. I fell down our stairs hauling boxes and hurt my knee. I ...