Morphological characteristics of the anterior ethmoidal artery in ethmoid roof and endoscopic localization .
筛前动脉在筛顶的走行特征与内窥镜定位。
To provide objective data for the location of the ethmoidal artery in ethmoidectomy .
目的为筛窦手术中筛动脉定位提供客观资料和数据。
Provision of access to the following structures : ethmoidal artery , orbit content , skull base , pituitary gland .
通往以下结构:筛动脉,眶内物,颅底,脑下垂体。
Ethmoidal arteries are often well develop d in these patients and it is always necessary to assess them properly in order to manage appropriately these patients , by either endovascular or surgical methods .
