Abstract:
PURPOSE:In this study, we aimed to investigate the frequency of SCD and its distribution and relationship with clinical outcomes on thin-section CT of the temporal bone. MATERIALS AND METHODS:Digital temporal bone CT images of 850 consecutive patients (1700 temporal bone CTs, 5100 SCs) who presented with a range of complaints such as vertigo, deafness, ear pain, fullness, and discharge between January 2008 and December 2011 were re-evaluated. Axial and oblique coronal reconstruction images of the temporal bone were made with a reconstruction thickness of 0.5mm. Additionally, superior SC was evaluated in two perpendicular planes. RESULTS:Out of 850 patients, 70 had completely normal temporal bone CT. Ninety-three patients had at least one SCD. In the temporal bone-based evaluation, 119 (26 bilateral, 67 unilateral) of 1700 temporal bones (7%) showed dehiscence. The SC-based evaluation revealed 125 SCD (2.5%) in 5100 SCs. The total number and rates of SCD were as follows: superior 103 (82.4%), posterior 13 (10.4%), and lateral nine (7.2%). Twenty of the 93 patients with SCD (21.5%) revealed no other findings on their temporal bone CTs. We determined a significant correlation between vestibular complaints, conductive hearing loss and SCD but there was no correlation between mixed, sensorineural hearing loss and SCD. CONCLUSION:We determined the frequency of SCD in 11% of patients and 7% of temporal bones. With regards to the distribution, the superior SC showed the highest dehiscence rate (82.4%). We found a significant correlation between vestibular symptoms, conductive hearing loss and SCD.
journal_name
Eur J Radioljournal_title
European journal of radiologyauthors
Elmali M,Polat AV,Kucuk H,Atmaca S,Aksoy Adoi
10.1016/j.ejrad.2013.06.022subject
Has Abstractpub_date
2013-10-01 00:00:00pages
e606-9issue
10eissn
0720-048Xissn
1872-7727pii
S0720-048X(13)00339-2journal_volume
82pub_type
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journal_title:European journal of radiology
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journal_title:European journal of radiology
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journal_title:European journal of radiology
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pub_type: 临床试验,杂志文章
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pub_type: 杂志文章
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pub_type: 杂志文章
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journal_title:European journal of radiology
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