I have a burning pain when I touch just above and to the right of my right patella. It is sharp and kind of zings almost like nerve pain, upon contact, then settles down. It does not hurt unless I touch that area. There is no swelling or redness or pain upon walking. I have some osteorathritis in that knee and some degeneration in the right hip as well. Hope this is enough to give you some idea. thank you.