either of the passages in the outer ear from the auricle to the tympanic membrane

We suggested that the rear boundary of the routine preauricular field should be extended to the back fringe of external auditory canal 12 centimetres.

合理设计照射野，建议将常规耳前野的后界延至外耳孔后缘1～2厘米；

Objective:To reconstruct middle ear structure for open mastoid antrum with external auditory canal after radical mastoidectomy in one-stage.

目的：为使乳突根治术后耳向外耳道开放的乳突腔重新中耳化和一期行听力重建。

Objective: to explore practical value of oblique sagittal MRI of internal auditory canal (IAC) before cochlear implantation.

目的：探讨内听道(IAC)斜矢状位MRI在人工耳蜗置入术前评估中的应用价值。

Methods Anatomic observation on arachnoid membrane in internal auditory canal in cadaver and operative observation on relationship among tumor, arachnoid membrane and nerve.

方法解剖观察尸头后术中观察蛛网膜与肿瘤及神经之间的关系。

Otitis externa is dermatitis usually bacterial of the auditory canal and sometimes the external ear.

外耳炎是外耳道(有时亦包括外耳)的皮肤炎通常是细菌感染。

Results After 5~10 years follow-up, external auditory canal was eumorphism, drum membrane was keeping physiological obliquity, epitympanum has not depressed;

结果经5年以上（最长10年）随访观察，外耳道形态正常，鼓膜保持生理倾斜度，上鼓室无凹陷；

The auditory canal consists of cartilages (both auricular and annular) and the specialized skin that lines it.

外耳道由软骨(包括耳廓软骨和环形软骨)和特化的皮肤被覆其上。

The vestibular neurectomy was as performed as possible by exposing the internal auditory canal for the sake of preserving hearing.

施行保留听力的前庭神经切断术时，尽可能选择暴露内耳道的术式。

Methods 26 patients with external auditory canal cholesteatoma were treated under otic endo - scope.

方法对26例外耳道胆脂瘤患者，在局庥耳内窥镜下清除胆脂瘤。

Methods:A total of 59 patients with external auditory canal otomycosis were randomly divided into test and control group.

随机将59例真菌性外耳道炎病人分为观察组和对照组。

External auditory canal cholesteatoma is a rare disease entity.

外耳道珍珠瘤为耳鼻喉临床少见病例。

Internal auditory canal malformations (all of 8 ears accompanied by other malformations) : the internal auditory canal was absent, narrowed or dilated.

内耳道畸形(8耳均伴随其他畸形)：内耳道缺如、狭窄或扩大。

Hearing preservation was correlation to tumor size, preoperative hearing level, internal auditory canal fundus destroying and cerebellum damaging.

听力的保留与肿瘤大小、术前听力水平、肿瘤内听道底侵蚀、小脑损伤相关。

Objective to explore into the feasibility and outcome of otic endoscope in the treatment of external auditory canal cholesteatoma.

目的探讨耳内镜下治疗外耳道胆脂瘤的可行性和效果。