The question of the cost of pituitary microadenoma surgery must be treated on a case-by-case basis. The average will be around$60,000-$70,000, but each disease growth pattern and surrounding tissue relationships will determine the cost of surgery differently. If it is a first time pituitary tumor and the treatment of choice is minimally invasive, i.e. transnasal pituitary access for removal, the cost is relatively simple and will be around$30,000-$40,000. With a skilled surgeon, it is possible to perform the surgery in half an hour, which is a relatively comfortable procedure. If the pituitary tumor is malignant and eroding the surrounding tissues, it needs to be treated by craniotomy, which is more expensive and may cost around$70,000-$80,000. The procedure may also have certain complications and even require the application of special instruments and materials, so it depends on the specific situation at the time to make a judgment.