Dear patient Considering your case there are two possibilities 1. Tuberculosis of hip joint 2. Monoartitular arthritis. Sometimes even after multiple tests and biopsy tuberculosis cannot be confirmed and we start treatment on basis of suspicion. This is more with pulmonary tuberculosis. Since she is taking AKT for many years with no benefit possibility of tuberculosis is less likely or rare case may be multi drug resistant tuberculosis. Now if you have tuberculosis or other type of arthritis ultimate treatment is total joint replacement. Now a days joint replacement is safe and effective in tuberculosis case also. So visit expert arthroplasty surgeon and get it done. It s very useful in pain relief and improve your lifestyle.