Abstract：
OBJECTIVE:CT temporal bone scans are often performed to aid in surgical planning and management of cholesteatomas. With improvements in the resolution of CT scans today, it is now possible to obtain more information from these scans than before. The aim of this study is to compare findings on high resolution CT (HRCT) temporal bone scans to intra-operative findings, so as to determine how well various middle ear structures are assessed by HRCT scanning. STUDY DESIGN:Retrospective study. SETTING:Otology clinic of a tertiary otolaryngology centre. SUBJECTS AND METHODS:32 mastoidectomies performed by a single otologist for clinically confirmed cholesteatoma were included. Correlation of CT and intra-operative findings on the status of structures including the ossicles, semicircular canals, facial canal and tegmen was analysed using kappa and AC1 statistics. RESULTS:In all patients, a soft tissue mass with bony erosion in keeping with a cholesteatoma was seen on CT. Radiosurgical agreement was excellent for the presence of semicircular canal erosion (k=0.89, AC1=0.96), facial canal dehiscence (k=0.74, AC1=0.76), tegmen erosion (k=0.76, AC1=0.92) and malleus erosion (k=0.76, AC1=0.85). It was good for incus erosion (k=0.71, AC1=0.92) and stapes erosion (k=0.63, AC1=0.73). CONCLUSION:There was good to excellent radiosurgical agreement in the assessment of the status of various middle ear structures. Improvement in radiosurgical agreement from existing studies in the literature was noted. This was especially true for features such as facial canal dehiscence. With technological advancements, CT temporal bone scans appear even more valuable for evaluation of patients prior to cholesteatoma surgery.
journal_name
Am J Otolaryngoljournal_title
American journal of otolaryngologyauthors
Ng JH,Zhang EZ,Soon SR,Tan VY,Tan TY,Mok PK,Yuen HWdoi
10.1016/j.amjoto.2014.02.015subject
Has Abstractpub_date
2014-07-01 00:00:00pages
508-13issue
4eissn
0196-0709issn
1532-818Xpii
S0196-0709(14)00053-2journal_volume
35pub_type
杂志文章,多中心研究abstract：PURPOSE:Middle ear disease is increasingly being managed via transcanal endoscopic ear surgery (TEES). A limitation of TEES is that it restricts the surgeon to single-handed dissection. One solution to this would be an endoscope holder to facilitate two-handed dissection. Current endoscope holders are stationary, and c...
journal_title：American journal of otolaryngology
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journal_title：American journal of otolaryngology
pub_type： 杂志文章
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abstract：PURPOSE:Determine correlation of malignancy rates between fine needle aspiration (FNA) biopsy and surgical specimen in an urban academic environment. METHODS:Retrospective review at an academic medical center of fine needle aspiration biopsies and surgical specimens in a head and neck otolaryngology practice between 2...
journal_title：American journal of otolaryngology
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abstract：:Ectopic thyroid is a rare developmental anomaly. It can be found anywhere between the foramen cecum and the normal position of the thyroid gland. Massive bleeding from an ectopic lingual thyroid is unusual and occasionally fatal. We present a case of a 22-year-old woman who had a large mass at the base of the tongue f...
journal_title：American journal of otolaryngology
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journal_title：American journal of otolaryngology
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journal_title：American journal of otolaryngology
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journal_title：American journal of otolaryngology
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journal_title：American journal of otolaryngology
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journal_title：American journal of otolaryngology
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journal_title：American journal of otolaryngology
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journal_title：American journal of otolaryngology
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journal_title：American journal of otolaryngology
pub_type： 杂志文章
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journal_title：American journal of otolaryngology
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更新日期：2005-03-01 00:00:00
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journal_title：American journal of otolaryngology
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更新日期：2003-07-01 00:00:00
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journal_title：American journal of otolaryngology
pub_type： 杂志文章
doi：10.1016/j.amjoto.2017.11.015
更新日期：2018-01-01 00:00:00
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journal_title：American journal of otolaryngology
pub_type： 杂志文章
doi：10.1016/s0196-0709(83)80039-8
更新日期：1983-05-01 00:00:00
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journal_title：American journal of otolaryngology
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journal_title：American journal of otolaryngology
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更新日期：2018-01-01 00:00:00
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journal_title：American journal of otolaryngology
pub_type： 杂志文章,多中心研究,随机对照试验
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更新日期：2018-01-01 00:00:00
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pub_type： 杂志文章
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journal_title：American journal of otolaryngology
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更新日期：2014-03-01 00:00:00
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journal_title：American journal of otolaryngology
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更新日期：2008-01-01 00:00:00
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journal_title：American journal of otolaryngology
pub_type： 杂志文章
doi：10.1016/j.amjoto.2020.102761
更新日期：2021-01-01 00:00:00
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journal_title：American journal of otolaryngology
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journal_title：American journal of otolaryngology
pub_type： 杂志文章
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更新日期：2008-03-01 00:00:00
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journal_title：American journal of otolaryngology
pub_type： 杂志文章
doi：10.1016/s0196-0709(84)80027-7
更新日期：1984-03-01 00:00:00
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journal_title：American journal of otolaryngology
pub_type： 杂志文章
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更新日期：2019-01-01 00:00:00
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journal_title：American journal of otolaryngology
pub_type： 杂志文章
doi：10.1016/j.amjoto.2019.04.006
更新日期：2019-01-01 00:00:00
