急性化脓性中耳乳突炎 acute purulent otitis media mastoiditis ; acute suppurative otomastoiditis
慢性化脓性中耳乳突炎 chronic purulent otitis medi mstoiditis
结论在根除病灶的基础上保存并提高听力，IBM合并后鼓室径路为慢性化脓性中耳乳突炎外科手术的合理选择。
Conclusion IBM combined with posterior tympanum is a good choice for preserving or improving hearing based on eradication of the focus among patients with chronic suppurative otitis media.
目的：确定慢性化脓性中耳乳突炎的双螺旋CT扫描诊断价值。
Purpose To recognize the value of double helix CT in diagnosis of Chronic otitis mastoidea.
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