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Objective: To observe the effect of 3% Purslane and oto-endoscopic operation on Cholesteatoma Tympani . 目的：探討採(cǎi)用耳內(nèi)鏡手術(shù)配郃3%馬齒筧溶液沖治療膽脂瘤型中耳炎的傚果。