Right Quadricep Muscle Injury

I am 32 years old,in Orland, I have always been involved in sports. I have above average muscular legs. A little over 2 years ago I hurt my right quad muscle just below my groin area about 7 inches down towards my knee. The pain was so severe I could hardly walk for the first 2 weeks. I continued playing and everytime I ran for the next 6 months I had severe pain. Unfortunately I never saw a doctor. I have seen 2 different orthopedic doctors and both said there is nothing I can do but physical therapy. There is a golf ball now in my leg everytime I lift it you can see the ball shaped muscle pop out. My leg is constantly spasming, jumping, twitching, shaking uncontrolably. If I hold my leg up too long I get a severe Charlie horse in it. I have never been operated on but WOULD LOVE to have a doctor cut it open and see what can be done, that’s how bad it is after 2 years. Is there a leg specialists you could reccommend? Or what would you suggest?