High-Resolution Computed Tomography Imaging of the Facial Nerve Canal in Temporal Bone Fractures

1994 ◽  
pp. 365-365
Author(s):  
G. Oberascher ◽  
E. Doringer
Keyword(s):  
Computed Tomography ◽  
High Resolution ◽  
Facial Nerve ◽  
Temporal Bone ◽  
Bone Fractures ◽  
Computed Tomography Imaging ◽  
High Resolution Computed Tomography ◽  
Tomography Imaging ◽  
Facial Nerve Canal

Anatomical variations of the temporal bone on high-resolution computed tomography imaging: how common are they?

2015 ◽  
Vol 129 (7) ◽  
pp. 634-637 ◽  
Author(s):  
V Visvanathan ◽  
M S C Morrissey
Keyword(s):  
Computed Tomography ◽  
High Resolution ◽  
Temporal Bone ◽  
Anatomical Variations ◽  
Jugular Bulb ◽  
Computed Tomography Imaging ◽  
High Resolution Computed Tomography ◽  
Tomography Imaging ◽  
Cochlear Aqueduct ◽  
Sinus Tympani

AbstractObjectives:This study aimed to evaluate the prevalence of normal variations of temporal bone anatomy on high-resolution computed tomography imaging and report their clinical importance.Methods:A retrospective review was conducted of high-resolution temporal bone computed tomography imaging performed at NHS Greater Glasgow and Clyde over an eight-year period. The presence of five variants was determined. These variants were: a high dehiscent jugular bulb, an anteriorly located sigmoid sinus, a deep sinus tympani, an enlarged cochlear aqueduct and a large internal auditory meatus.Results:A total of 339 temporal bones were examined. The incidences of a high dehiscent jugular bulb, anteriorly located sigmoid sinus, deep sinus tympani, enlarged cochlear aqueduct and an enlarged internal auditory meatus were 2.76 per cent, 2.94 per cent, 5.01 per cent, 0.58 per cent and 1.76 per cent respectively.Conclusion:Anatomical variations of the temporal bone are not uncommon and it is important for the investigating otologist to be aware of such variations prior to undertaking surgery.

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