This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Medicine
Middle aged female with mass in sellaturcica hormone increased is- 
Select and explain. 
A. Prolactin, B. Thyroxine, C. Extrogen, D. ADH
A: Prolactin
Answer: A: Prolactin 
Explanation: hypopituitarism occurs as prolactin has an inhibitory effect from normal pituitary resulting in increased prolactin level( Harrison 17 pg2199)