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凡胆脂瘤性中耳炎,中耳的通气几乎都不好,手术后有11％引起鼓膜的内陷囊袋和复发性胆脂瘤,20％引起鼓膜下陷和粘膜炎症,而且常有粘液分泌。为了解决通气,作者们的方法是用硅片维持鼓室气腔,当鼓膜的紧张部完整时,可在手术结束时通过鼓膜放一引流管;对一些病人不能通过鼓膜放引流管时,可通过骨性结构如鼓窦或上鼓室放入。通过上鼓室的引流,其骨性通气口可用电钻
Where cholesteatoma otitis media, the middle ear ventilation is almost not good, after surgery, 11% of the eardrum caused by eversion and recurrent cholesteatoma, 20% cause tympanic membrane sag and mucosal inflammation, and often mucus secretion. In order to solve the problem of ventilation, the authors use silicon wafer to maintain the tympanum cavity. When the tension zone of the tympanic membrane is intact, a drainage tube can be placed through the tympanic membrane at the end of the operation. When some patients can not pass the tympanic membrane drainage tube, Bone structures such as the sinuses or upper drum into the room. Through the drainage of the tympanic cavity, the bony vent can be drilled