This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Head and neck, Subject name: Surgery
The most preferred approach for pituitary surgery at the present time is 
Select and explain. 
A. Transcranial, B. Transethmoidal, C. Transphenoidal, D. Transcallosal
C: Transphenoidal
Answer: C: Transphenoidal 
Explanation: Most pituitary tumors are approached through the nose by the trans-sphenoidal approach" - Schwaz Ref : Schwaz, 9/e p1541