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Dynamic cine imaging of the Eustachian tube using four-dimensional computed tomography

Published online by Cambridge University Press:  02 November 2016

N Jufas ,
N Deveau  and
M Bance
N Jufas
Affiliation:
Division of Otolaryngology – Head and Neck Surgery, Dalhousie University, Halifax, Canada Discipline of Surgery, Sydney Medical School, University of Sydney, Australia
N Deveau
Affiliation:
Independent contributor, Halifax, Canada
M Bance*
Affiliation:
Division of Otolaryngology – Head and Neck Surgery, Dalhousie University, Halifax, Canada
*
Address for correspondence: Manohar Bance, Division of Otolaryngology – Head and Neck Surgery, Dalhousie University, 3rd Floor Dickson Building, VG Site, QE II Health Sciences Centre, 5820 University Ave, Halifax, Nova Scotia, Canada B3H 2Y9 E-mail: m.bance@dal.ca
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Abstract

Background:

Imaging the Eustachian tube has proven difficult as it has an anatomical orientation that is not aligned with standard planes. In addition, the Eustachian tube is a dynamic structure, opening briefly during a variety of physiological manoeuvres.

Case report:

A 54-year-old healthy and asymptomatic man underwent computed tomography utilising an area detector scanner. Multiplanar reconstruction was performed at 1 mm intervals. In addition, dynamic clips were constructed to demonstrate air and its movement in the field. Images and video were acquired whilst a Valsalva manoeuvre was being performed.

Conclusion:

Although imaging techniques have been able to visualise the Eustachian tube well in the closed state, it may be more useful to have it imaged whilst open. Area detector computed tomography scanners can be used to acquire four-dimensional images. This allows dynamic imaging of the region, to assist in the diagnosis of various types of Eustachian tube dysfunction.

Keywords

Four-Dimensional Computed TomographyEustachian TubeValsalva Maneuver
Type
Short Communication
Information
The Journal of Laryngology & Otology , Volume 130 , Issue 12 , December 2016 , pp. 1162 - 1164
Copyright
Copyright © JLO (1984) Limited 2016 

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References

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