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Classification of temporal bone pneumatization based on sigmoid sinus using computed tomography

Authors
 S.-J. Han  ;  M.H. Song  ;  H.-K. Lee  ;  W.-S. Lee  ;  J. Kim 
Citation
 CLINICAL RADIOLOGY, Vol.62(11) : 1110-1118, 2007 
Journal Title
CLINICAL RADIOLOGY
ISSN
 0009-9260 
Issue Date
2007
Abstract
AIM:
To analyse several reference structures using axial computed tomography (CT) imaging of the temporal bone, which may reflect pneumatization of the entire temporal bone by statistical correlation to the actual volume of the temporal bone measured using three-dimensional reconstruction.
MATERIALS AND METHODS:
One hundred and sixteen temporal bones were studied, comprising 48 with normal findings and 68 sides showing chronic otitis media or temporal bone fracture. After measuring the volume of temporal bone air cells by the volume rendering technique using three-dimensional reconstruction images, classification of temporal bone pneumatization was performed using various reference structures on axial images to determine whether significant differences in the volume of temporal bone air cells could be found between the groups.
RESULTS:
When the sigmoid sinus at the level of the malleoincudal complex was used in the classification, there were statistically significant differences between the groups that correlated with the entire volume of the temporal bone. Grouping based on the labyrinth and the ascending carotid artery showed insignificant differences in volume. Furthermore, there was no significant correlation between the cross-sectional area of the antrum and the entire volume of the temporal bone.
CONCLUSION:
The degree of pneumatization of temporal bone can be estimated easily by the evaluation of the air cells around the sigmoid sinus on axial CT images.
Full Text
http://www.sciencedirect.com/science/article/pii/S0009926007002644
DOI
10.1016/j.crad.2007.04.019
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Otorhinolaryngology (이비인후과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
Yonsei Authors
Kim, Jinna(김진아) ORCID logo https://orcid.org/0000-0002-9978-4356
Lee, Won Sang(이원상)
Lee, Ho Ki(이호기)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/95907
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