Endoscopic transnasal transethmosphenoidal approach for pituitary tumors: Assessment of technique and postoperative findings of nasal and paranasal cavities

The unilateral TTES and RPS was for us most suitable approach of the three methods. In the case of advanced tumors, the bilateral TTES should be selected because it permits superior operative manipulability. Finally, the unilateral TTES is most appropriate for removal of tumors that are deviated to one side and localized within the sella.