Belal A, Linthicum F H, House W F
Am J Otol. 1982 Jul;4(1):9-16.
The goals of acoustic tumor surgery are total tumor removal, intact facial nerve function, and preservation of hearing. the middle fossa approach offers the opportunity to achieve these goals in selected cases. This article presents the findings from the temporal bones of two patients who had undergone middle fossa removal of an acoustic tumor, nine and ten years before their deaths. Hearing was preserved in one case and lost in the other. The patient with profound postoperative deafness showed severe degenerative changes and ossification in the membranous labyrinth. This was explained on the basis of internal auditory artery occlusion. The goals of acoustic tumor surgery are discussed in light of the histopathologic findings in these two cases. the middle fossa approach is advocated as the best available to achieve these goals in intracanalicular tumors.
听神经瘤手术的目标是完全切除肿瘤、保留完整的面神经功能以及保留听力。中颅窝入路为在特定病例中实现这些目标提供了机会。本文介绍了两名患者颞骨的研究结果，这两名患者在去世前九年和十年接受了中颅窝听神经瘤切除术。其中一例听力得以保留，另一例听力丧失。术后严重耳聋的患者在膜迷路中出现了严重的退行性改变和骨化。这是基于内听动脉闭塞来解释的。根据这两例的组织病理学发现，讨论了听神经瘤手术的目标。中颅窝入路被认为是在管内型肿瘤中实现这些目标的最佳方法。
