Title: Comparative study of facial canal vertical segment using CT scanning and anatomy
Abstract: Objective To compare the CT and anatomic locating of the vertical segment of the facial canal. Methods The horizontal distances from the vertical segment of the facial canal to the posterior wall of the external acoustic meatus,to the rear edge of the external acoustic pore,and to the lateral and anterior walls of the jugular fossa were measured directly and through 64-slice spiral CT respectively on 15 cranial base specimens. Results The distances,measured directly and through CT,from the vertical segment of the facial canal to the posterior wall of the external acoustic meatus,to the rear ridge of the external pore,and to the lateral and anterior walls of the jugular fossa were 3. 01 ± 0. 65 mm and 3. 09 ± 0. 68 mm,10. 98 ± 1. 72 mm and 10. 98 ± 1. 64 mm,3. 99 ± 1. 23 mm and 3. 91 ± 1. 17 mm, 8. 32 ± 1. 86 mm and 8. 24 ± 1. 92 mm,respectively,with no significant difference between the measurements with the two methods (P 0. 05) . Conclusions Measurement on CT images was a reliable way to locate the vertical segment of the facial canal and was helpful to its diagnosis.
Publication Year: 2012
Publication Date: 2012-01-01
Language: en
Type: article
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