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从理论上说,在鼓膜上放置通气管因有一个穿孔存在就为植入性胆脂瘤的发生创造了条件,文献中也报道了通气管的应用和以后发生的胆脂瘤之间可能有关。为此作者们进行了下述回顾性研究。将1975～1980年间作过耳手术的儿童96名分为二组。一组有胆脂瘤,另一组有慢性中耳炎无胆脂瘤。从插管到诊为胆脂瘤型中耳炎的平均时间为49个月,时程范围是4～156个月。分析结果表明胆脂瘤组49耳中14耳应用过通气管,慢性中耳炎组64耳,只3耳应用过通气管。经X~2分析,有显著差异(P<0.001)。关于胆脂瘤的
Theoretically, placement of the ventilation tube on the tympanic membrane creates a condition for implantable cholesteatoma due to the presence of a perforation, and it is also reported in the literature that the relationship between the use of the ventilation tube and the subsequent occurrence of cholesteatoma may be related . For this reason the authors conducted the following retrospective study. Ninety-six children who underwent ear surgery between 1975 and 1980 were divided into two groups. One group had cholesteatoma, the other group had chronic otitis media without cholesteatoma. From intubation to diagnosis of cholesteatoma otitis media, the average time was 49 months, the time range is 4 to 156 months. The results showed that cholecystoma group of 49 ears in 14 ears used ventilation tube, chronic otitis media group of 64 ears, only 3 ears have been used ventilation tube. After X ~ 2 analysis, there was a significant difference (P <0.001). About cholesteatoma