facial nerve canal
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Author(s):  
Philip Touska ◽  
Cristina Dudau ◽  
Janki Patel ◽  
Antanas Montvila ◽  
Milda Pucetaite ◽  
...  

Author(s):  
Wenjuan Li ◽  
Dong Li ◽  
Nina Chen ◽  
Pan Liu ◽  
Shuguang Han ◽  
...  

2021 ◽  
Vol 17 (2) ◽  
pp. 175-178
Author(s):  
Sunil Goyal ◽  
◽  
Sanajeet Kumar Singh ◽  
Roohie Singh ◽  
Ravi Roy ◽  
...  

2020 ◽  
Vol 45 (12) ◽  
pp. 982-983
Author(s):  
Emina Arsovic ◽  
Marion Montava ◽  
Jean-Pierre Lavieille ◽  
Karel Pacak ◽  
Arthur Varoquaux ◽  
...  

2020 ◽  
Vol 49 (6) ◽  
pp. 346-353
Author(s):  
Hau Wei Khoo ◽  
Chih Ching Choong ◽  
Seng Beng Yeo ◽  
Julian PN Goh ◽  
Tiong Yong Tan

Introduction: Isolated oval window atresia (OWA) is a rare cause of congenital conductive middle ear deafness and may be overlooked owing to the normal appearance of the external ear. This anomaly has been previously described, although the published numbers with both imaging and surgical findings are few. Our aim is to correlate the imaging features of OWA with intraoperative findings. Materials and Methods: This is a single-centre retrospective evaluation of patients who were diagnosed with OWA and who received surgery from January 1999 to July 2006. No new case was diagnosed after 2006 to the time of preparation of this manuscript. High resolution computed tomography (HRCT) imaging of the temporal bones of the patients were retrospectively evaluated by 2 head and neck radiologists. Images were evaluated for the absence of the oval window, ossicular chain abnormalities, position of the facial nerve canal, and other malformations. Imaging findings were then correlated with surgical findings. Results: A total of 9 ears in 7 patients (two of whom with bilateral lesions) had surgery for OWA. All patients had concomitant findings of absent stapes footplate with normal, deformed or absent stapes superstructure and an inferiorly displaced facial nerve canal. HRCT was sensitive in identifying OWA and associated ossicular chain and facial nerve abnormalities, which were documented surgically. Conclusion: OWA is a rare entity that can be diagnosed with certainty on HRCT, best visualised on coronal plane. Imaging findings of associated middle ear abnormalities, position of the facial nerve canal, which is invariably mal-positioned, and associated deformity of the incus are important for presurgical planning and consent. Ann Acad Med Singapore 2020;49:285–93 Ann Acad Med Singapore 2020;49:346–53 Key words: Absent oval window, Conductive hearing loss, Temporal bone


2019 ◽  
Vol 40 (8) ◽  
pp. 1402-1405
Author(s):  
J.C. Benson ◽  
K. Krecke ◽  
J.R. Geske ◽  
J. Dey ◽  
M.L. Carlson ◽  
...  

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