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颅底外科的前方入路需要相对较大的骨窗,特别是对动脉瘤手术需要足够的脑显露。外科技术和诊断性影像技术的进步,以及神经内窥镜和新的手术器械的引入使神经外科医师能够通过小的洞眼来治疗各类颅内病变。特别是动脉瘤,因其解剖特性,更适合“匙孔(Keyhole)”入路。眶上“匙孔”入路有其广阔的适应症。作者回顾了1989年1月至1995年7月共139例197个动脉瘤经此入路的手术治疗经验。患者年龄15～74岁,平均49.1岁,其中男62例,女77例。
The anterior approach to skull base surgery requires a relatively large bone window, especially for aneurysm surgery requiring adequate brain exposure. Advances in surgical technology and diagnostic imaging, as well as the introduction of neuroendoscopy and new surgical instruments, have enabled neurosurgeons to treat various types of intracranial lesions through small holes. In particular, aneurysms, because of their anatomical properties, are better suited for the “keyhole” approach. Supraorbital “keyhole” approach has its broad indications. The authors reviewed a total of 139 patients with 197 aneurysms who underwent this surgical procedure from January 1989 to July 1995. Patients aged 15 to 74 years, mean 49.1 years, 62 males and 77 females.