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Surgery should be considered if medical therapy cannot be tolerated or if it is ineffective in reducing prolactin levels or tumor size. In selected cases, surgical treatment might be a better choice than long-term medication because surgery is very often curative. The results of surgery depend a great deal on tumor size and prolactin level as well as the skill and experience of the neurosurgeon. It may still be necessary to prescribe dopamine agonists after surgery if the tumor has been incompletely removed.