1. Objective The expression and diagnostic value of high resolution CT was discussed in chole-steatoma、chronic suppurative otitis media through the retrospective analysis of the image changes.
   目的通过分析中耳胆脂瘤和中耳炎的CT扫描影像改变，探讨胆脂瘤和中耳炎的CT表现及诊断价值。

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