The transpetrosal postsigmoid approach was adopted in 6 cases, the transpetrosal approach in 3 caces, the transpetrosal presigmoid approach in 6 cases, and the transsphenoidal approach in 3 cases.

• 6例脑膜瘤经乙状窦后入路,3例脑膜瘤经岩入路(幕上幕下联合或乙状窦前入路),4例脑膜瘤、1例听神经瘤和1例胆脂瘤经改良的乙状窦前入路,2例脊索瘤和1例转移瘤经口鼻蝶入路切除。