This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: JIPMER 2017, Subject name: Surgery
A patient is diagnosed with pituitary tumour, prolactinoma encircling the carotid aery. What is the best line of management? 
Select and explain. 
A. Wait and watch, B. Transsphenoidal surgical resection, C. Radiotherapy, D. Combination
B: Transsphenoidal surgical resection
Answer: B: Transsphenoidal surgical resection 
Explanation: Treatment O Dopamine agonist, bromocriptine, can shrink prolactinomas in 75% of patients with macroadenomas in 6-8 weeks, but only as long as therapy is maintained. O Bromocriptine may also work on GH-secreting tumors with shrinkage in < 20% O Octreotide can reduce GH levels in 71% of patients with a significant reduction in tumor volume in 30% of cases Indication of surgery as an Initial treatment GH-secreting tumors Primary cushing's disease Any adenoma causing acute visual deterioration Non prolactin-secreting macroadenomas causing symptoms by mass effect Surgical approach of choice: Sublabial or intransal trans-sphenoidal approach.