Basal skull的用法和樣例：
例句
- Chordomas are rare tumors of notochordal tissue remnants and most frequently affect the sacrum and skull base.
摘要脊索瘤是來(lái)自脊索遺跡的罕見(jiàn)腫瘤，主要侵犯薦椎及顱底。 - There is no clear consensus on the management strategy for skull base metastasis from differentiated thyroid carcinoma.
關(guān)于分化型甲狀腺癌顱底轉移的治療策略，還沒(méi)有明確的共識。
