This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nervous System, Subject name: Surgery
[{'content': 'Initial treatment of the patients with growth hormone secreting pituitary adenoma \nSelect and explain. \nA. Transsphenoidal Surgical Resection, B. Somatostatin Analogues, C. Dopamine agonists drugs, D. GH Receptor Antagonists', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. (a) Transphenoidal Surgical resection* Treatment of Choice for Pituitary tumors is initially and always is by Transsphenoidal Resection.* Preferred for both micro and macro adenomas', 'role': 'assistant'}]