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Facial nerve course in congenital aural atresia - identified by preoperative CT scanning and surgical findings

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机构: [1]Capital Med Univ, Beijing Tongren Hosp, Dept & Key Lab Otolaryngol Head & Neck Surg, Minist Educ, Beijing 100730, Peoples R China [2]Capital Med Univ, Beijing Tongren Hosp, Dept Radiol, Beijing 100730, Peoples R China
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关键词: Computed tomography congenital aural atresia facial nerve ear surgery

摘要:
Conclusions. The facial nerve courses shown by preoperative CT imaging coincide with the surgical findings in most congenital aural atresia cases. CT scanning is critical in evaluation of a patient's candidacy for atresia surgery. Objectives. To evaluate the diagnostic value of preoperative CT scanning of the facial nerve course in congenital aural atresia. Subjects and methods. All inpatients (135 cases) with congenital aural atresia had routine preoperative CT examination. The facial nerve courses were observed in the operation and compared with the preoperative CT imaging. Results. CT imaging showed that the mastoid portions of the facial nerves in 57% of cases (77/135) were located at the level of the round window, and 17% (23/135) were located at the levels of the oval window and the cochlea. Differential overlapping of the oval window by the facial nerve could also be shown in most of the cases. In the majority of cases (75%, 61/81) the tympanic portions of the facial nerve on CT imaging could be confirmed by surgical findings. In severe overlapping of the oval window or cases with anterior displacement, stapedectomy or tympanoplasty, respectively, could not be performed as usual.

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出版当年[2007]版:
大类 | 4 区 医学
最新[2023]版:
大类 | 4 区 医学
小类 | 4 区 耳鼻喉科学
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出版当年[2006]版:
Q3 OTORHINOLARYNGOLOGY
最新[2023]版:
Q3 OTORHINOLARYNGOLOGY

影响因子: 最新[2023版] 最新五年平均 出版当年[2006版] 出版当年五年平均 出版前一年[2005版] 出版后一年[2007版]

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第一作者机构: [1]Capital Med Univ, Beijing Tongren Hosp, Dept & Key Lab Otolaryngol Head & Neck Surg, Minist Educ, Beijing 100730, Peoples R China
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通讯机构: [*1]Capital Med Univ, Beijing Tongren Hosp, Dept & Key Lab Otolaryngol Head & Neck Surg, Minist Educ, 1 Dongjiaominxiang, Beijing 100730, Peoples R China
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