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自从应用化学疗法及抗菌素治疗以来,由于急性化脓性中耳炎所引起的颅内合并症的发病率已显著地减少,但是由于慢性化脓性中耳炎突炎长期流脓不止或胆脂瘤直接侵触中耳、乳突顶或侧宝骨板而
Since the application of chemotherapy and antibiotic therapy since the incidence of intracranial complications caused by acute suppurative otitis media has been significantly reduced, but due to prolonged chronic suppurative otitis media effusion or cholesteatoma direct invasion of the middle ear, Papillary or side treasure board and