...胆脂瘤型中耳炎；听骨链重建；鼓室成形术 [gap=1488]Key words】 coral porous hydroxyapatite；chronic otitis media of cholesteatoma；ossicular chain reconstruction；tympanoplasty ..
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Objective To investigate the value of high resolusion CT (HRCT) in the diagnosis of chronic otitis media with cholesteatoma.
目的探讨胆脂瘤型慢性中耳炎的HRCT特征及诊断价值。
Conclusion CT scan can accurately show the sign of chronic otitis media with cholesteatoma, and it is important to diagnosis and surgical therapy.
结论：CT检查能准确显示胆脂瘤型中耳炎影像特征，对胆脂瘤型中耳炎诊断和鉴别诊断有重要作用，对手术具有十分重要的指导意义。
Methods: the manifestations of CTVE in 28 ears with cholesteatoma type chronic otitis media were correlated to the surgical findings.
方法：比较2 8耳胆脂瘤型慢性中耳炎听骨链的CTVE表现与临床手术所见。
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