1·Objective: To analyze ct finding of congenital stenosis of external meatus.
目的：分析先天性外耳道狭窄合并鼓室、听小骨畸形的CT表现。
2·Objective: Explore ways to remove the foreign bodies in external acoustic meatus.
目的：探讨取出外耳道异物的方法。
3·Objective to investigate the clinical effect of auricle reconstruction and external auditory meatus shaping on congenital middle and external ear malformation.
目的探讨先天性中外耳畸形患者耳廓再造及外耳道成形术的临床疗效。
4·Outside the full exposition the semicircular canals outline and the anvil nest, maintains the osseous external auditory meatus behind completeness.
充分暴露外半规管轮廓和砧骨窝，保持骨性外耳道后壁的完整。
5·Objective to study the line from infraorbital edge to external acoustic meatus as a scanning baseline in the location of AC-PC plane.
目的研究外耳门中点与眶下缘最低点的连线(简称眶听线)作为扫描基线对获得AC - PC平面的临床价值。
6·After the auditory bone chain, the tympanic membrane teach other people the external auditory meatus, causes the air vibration.
经听骨链、鼓膜传人外耳道，引起空气振动。
7·Objectives: to investigate the external auditory meatus secretion demodex infection in healthy people.
目的：了解正常人群外耳道蠕形螨感染情况。