With these clinical findings what other addition clinical history is important?
Ask for any risk factors like steroids medication, alcoholism, trauma, sickle cell anemia, Gauchers disease, decompression disease. Presence of a risk factor would support a diagnosis of AVN. This patient had history of steroid medication for inflammatory arthritis.
Right hip arthroplasty with the progression of left hip subchondral changes and mid left articular surface collapse.