Conclusion:The attic retraction pocket reflected the negative pressure of middle ear and its pathogenesis was related with the function of Eustachian tube, inflammation and pneumatization of mastoid.
英
美
- 结论上鼓室内陷袋反映中耳负压状态,其发病机制与咽鼓管功能、炎症、乳突气化程度相关;