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Radiological parameters and audiometric findings in otosclerosis: is there any relationship?

Published online by Cambridge University Press:  26 November 2021

L R L Mangia Open the ORCID record for L R L Mangia [Opens in a new window] ,
G L O Salvador ,
N T Amadeu ,
G A Marroni ,
H Coifman  and
R Hamerschmidt
L R L Mangia*
Affiliation:
Department of Otolaryngology Head and Neck Surgery, Federal University of Paraná, Curitiba, Brazil
G L O Salvador
Affiliation:
Department of Radiology, Federal University of Paraná, Curitiba, Brazil
N T Amadeu
Affiliation:
Department of Otolaryngology Head and Neck Surgery, Federal University of Paraná, Curitiba, Brazil
G A Marroni
Affiliation:
Department of Otolaryngology Head and Neck Surgery, Federal University of Paraná, Curitiba, Brazil
H Coifman
Affiliation:
Department of Otolaryngology Head and Neck Surgery, Federal University of Paraná, Curitiba, Brazil
R Hamerschmidt
Affiliation:
Department of Otolaryngology Head and Neck Surgery, Federal University of Paraná, Curitiba, Brazil
*
Author for correspondence: Dr L R L Mangia, Hospital de Clínicas da Universidade Federal do Paraná, General Carneiro St, 181, Curitiba 80060-900, Brazil E-mail: lucas.mangia@hc.ufpr.br
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Abstract

Objective

The role of high-resolution computed tomography scans in otosclerosis remains uncertain. There is a debate over the relationship between radiological and audiometric findings among patients.

Method

Pre-operative audiometry and high-resolution computed tomography findings from 40 ears with surgically confirmed otosclerosis were compared. High-resolution computed tomography scan data regarding the characteristics of the disease foci, the endosteal extension and the occurrence of internal auditory canal diverticula were obtained. The influence of each radiological variable on the simple pure tone average, the high-frequency pure tone average and the bone-conduction pure tone average were investigated.

Results

Cases with endosteal extension (p = 0.047) and a higher number of affected sites within the otic capsule had a worse bone-conduction pure tone average, although it was only significant for the latter (p = 0.006). Those without concomitant retrofenestral disease (p = 0.019) had better simple pure tone average.

Conclusion

The number of sites of involvement and concomitant retrofenestral disease seem to significantly impact audiometric findings in otosclerosis.

Keywords

OtosclerosisTomographyX-Ray ComputedDiagnostic ImagingPrognosis

Information

Type
Main Article
Information
The Journal of Laryngology & Otology , Volume 137 , Issue 1 , January 2023 , pp. 68 - 75
Copyright
Copyright © The Author(s), 2021. Published by Cambridge University Press on behalf of J.L.O. (1984) LIMITED

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Footnotes

Dr L R L Mangia takes responsibility for the integrity of the content of the paper

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