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Intraluminal three-dimensional optical coherence tomography – a tool for imaging of the Eustachian tube?

Published online by Cambridge University Press:  18 February 2019

R Schuon ,
B Mrevlje ,
B Vollmar ,
T Lenarz  and
G Paasche
R Schuon*
Affiliation:
Department of Otorhinolaryngology, Hannover Medical School, Germany
B Mrevlje
Affiliation:
Trent Cardiac Centre, Nottingham University Hospital NHS Trust, UK
B Vollmar
Affiliation:
Rudolf-Zenker-Institute for Experimental Surgery, Rostock Medical School, Germany
T Lenarz
Affiliation:
Department of Otorhinolaryngology, Hannover Medical School, Germany Hearing4all Cluster of Excellence, Hannover Medical School, Germany
G Paasche
Affiliation:
Department of Otorhinolaryngology, Hannover Medical School, Germany Hearing4all Cluster of Excellence, Hannover Medical School, Germany
*
Author for correspondence: Dr Robert Schuon, Department of Otorhinolaryngology, Hannover Medical School, Germany E-mail: [email protected]
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Abstract

Objectives

The cause of Eustachian tube dysfunction often remains unclear. Therefore, this study aimed to examine the feasibility and possible diagnostic use of optical coherence tomography in the Eustachian tube ex vivo.

Methods

Two female blackface sheep cadaver heads were examined bilaterally. Three conditions of the Eustachian tube were investigated: closed (resting position), actively opened and stented. The findings were compared (and correlated) with segmented histological cross-sections.

Results

Intraluminal placement of the Eustachian tube with the optical coherence tomography catheter was performed without difficulty. Regarding the limited infiltration depth of optical coherence tomography, tissues can be differentiated. The localisation of the stent was accurate as was the lumen.

Conclusion

The application of optical coherence tomography in the Eustachian tube under these experimental conditions is considered to be a feasible, rapid and non-invasive diagnostic method, with possible diagnostic value for determining the luminal shape and superficial lining tissue of the Eustachian tube.

Keywords

Eustachian TubeTomography, Optical CoherenceMiddle Ear VentilationImaging, Three Dimensional
Type
Main Articles
Information
The Journal of Laryngology & Otology , Volume 133 , Issue 2 , February 2019 , pp. 87 - 94
Copyright
Copyright © JLO (1984) Limited, 2019 

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Footnotes

Dr R Schuon takes responsibility for the integrity of the content of the paper

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