I Fell At Work Over A Week Ago. The Pain

I fell at work over a week ago. The pain was immediate. I have not sought treatment because even though it hurt to walk and bend the leg I was certain it wasn't broken because it was able to bend. After 5 days the majority of swelling went away. I am still having extreme pain it the area is even slightly touched...but there is no bruise. The area is about 3 or 4 inches below my knee. One other thing immediately after I fell onto my knee, the paid was the most intense on the backside of my knee. It was difficult to keep the leg straight to ice it because it seemed to put more pressure on the underside of the leg. Any thoughts?