The normal anatomy the spine is preserved since the frontal approach takes advantage of normal tissue planes and does not require removal of any bone.

前路进入手术是利用正常的组织面，不需要去除任何骨结构；所以可以保留正常的脊柱解剖结构。

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The anterior skull base tumors were resected by craniofacial approach through posterior wall of frontal sinus.

累及前颅底者采用经额窦后壁入路的颅面联合手术切除方法；

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On either CTA, conventional angiography, or MRA the supraclinoid carotid arteries approach the midline and appear to be "kissing. " The frontal lobes may be abnormal.

无论实在CTA、常规血管造影或MRA上鞍上的颈动脉走行更接近于中线，并表现为对吻状改变，垂体前叶可以出现异常。

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