<prompt> Which of the following is the most preferred approach for pituitary surgery at the present time?TranscranialTranscallosalTransethmoidalTranssphenoidal  <response>: Transsphenoidal approach through the nose is the most preferred approach for pituitary surgeries. Craniotomy is needed for resection of large tumors. Ref: Bailey and Love Sho Practice of Surgery, 25th Edition, Page 634. 