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在长期反复发作的慢性化脓性中耳炎(CSOM)或胆脂瘤型中耳炎,面神经管骨质鼓室段最易受累,与下列因素有关:面神经管此部常有裂隙;其骨壁极薄;病理过程最常局
In the chronic recurrent chronic suppurative otitis media (CSOM) or cholesteatoma otitis media, the most susceptible to facial tunica-medullary tympanoskeleton, with the following factors: facial nerve tube often fissures; the extremely thin bone wall; pathological process The most common