I had surgery on my knee about four years ago. The skin behind my knee-cap broke and was irritating it. Now I have a ball of some sort on the side that I can move around anywhere in my knee. It doesn t seem to be attached to anything. It s just a loose body of something. What is this?
Hi! Thanks for sharing your health queries with Chat Doctor! Well, this is a common post-surgical condition and whenever somebody presents to me like this, I consider the following possibilities