Conclusion: The imaging anatomy of ethmoidal roof, cribrum and understanding of the formation of olfactory fovea is the instructive significance for anterior skull base surgery.
结论：了解筛顶板及筛板的影像解剖及嗅凹的形成对减少前颅底外科手术并发症的发生具有十分重要的意义。
2
Methods: 37 cases of tumor involving anterior skull base proved by pathology were retrospectively analyzed about their radiological features.
方法：回顾性分析病理证实37例累及前颅窝底肿瘤，比较其影像学特点。
3
The anterior skull base tumors were resected by craniofacial approach through posterior wall of frontal sinus.