The periosteum,dura,cavernous sinus,carotid artery,ocular nerve,trochlea nerve and abduce nerve crossing cavernous sinus could be visualized.

• 扩大经蝶手术入路可清晰显示鞍底骨膜、硬脑膜外层、海绵窦内侧壁、海绵窦内颈内动脉及其分支血管、动眼神经、滑车神经、外展神经及眼神经等结构;