Imaging of the opacified middle ear

被引：46

作者：

Lemmerling, M. M. ^{[1
]}

De Foer, B. ^{[2
]}

VandeVyver, V. ^{[3
]}

Vercruysse, J. -P. ^{[4
]}

Verstraete, K. L. ^{[5
]}

机构：

[1] AZ Sint Lucas Gent, Dept Radiol, B-9000 Ghent, Belgium

[2] AZ Sint Augustinus, Dept Radiol, B-2610 Antwerp, Belgium

[3] AZ Alma, Dept Radiol, B-9900 Eeklo, Belgium

[4] AZ Sint Augustinus, Univ Dept ENT, B-2610 Antwerp, Belgium

[5] UZ Gent, Univ Dept Radiol, B-9000 Ghent, Belgium

来源：

EUROPEAN JOURNAL OF RADIOLOGY | 2008年 / 66卷 / 03期

关键词：

middle ear; HRCT; MRI; cholesteatoma; otitis media;

D O I：

10.1016/j.ejrad.2008.01.020

中图分类号：

R8 [特种医学]; R445 [影像诊断学];

学科分类号：

1002 ; 100207 ; 1009 ;

摘要：

Middle ear opacification on imaging studies performed in a non-traumatic setting mostly reflects chronic inflammatory/infectious disease. In some of these patients an underlying cholesteatoma will be found. High-resolution computed tomography examinations and magnetic resonance imaging are often used in the work-out of the disease. High-resolution computed tomography of the opacified middle ear serves to describe the status of the ossicular chain, and its suspensory apparatus, as well as the status of the tympanic and mastoid wall. When ossicular erosions are visualized, the probability of a present cholesteatoma is about 90%. Whereas high-resolution computed tomography is not able to differentiate cholesteatoma from other types of opacification, magnetic resonance imaging is. The combined use of delayed post-Gd T1-weighted images and non-EPI based DWI seems to be the actual best option on this matter. (C) 2008 Elsevier Ireland Ltd. All rights reserved.

引用

页码：363 / 371

页数：9

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