Any pain up the outside of your thigh? I am recovering from ITBS, and when that was tackled I found out I had a knee cap issue. The doctor says I will be running again in a few weeks. Anyway, the IT band could account for the pain above your knee. It runs from your hip, down the side of your leg, crosses your knee as you walk and attaches to the bone in your lower let.
FIRST step - RICE - rest, ice, compression, elevation. And anti inflammatories.