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Diffusion-weighted magnetic resonance imaging for diagnosis of post-operative paediatric cholesteatoma

Published online by Cambridge University Press:  03 October 2022

R McCallum*
Affiliation:
Department of ENT, Royal Hospital for Children, Glasgow, Scotland, UK
H Coleman
Affiliation:
Department of ENT, Royal Hospital for Children, Glasgow, Scotland, UK
H Pervaiz
Affiliation:
Department of ENT, Royal Hospital for Children, Glasgow, Scotland, UK
G Irwin
Affiliation:
Department of Radiology, Royal Hospital for Children, Glasgow, Scotland, UK
K McAllister
Affiliation:
Department of ENT, Royal Hospital for Children, Glasgow, Scotland, UK
*
Author for correspondence: Miss Rhona McCallum, Department of ENT, Queen Elizabeth University Hospital, 1345 Govan Road, Glasgow G51 4TF, Scotland, UK E-mail: rhona.mccallum@ggc.scot.nhs.uk

Abstract

Objectives

High rates of recidivism are reported after paediatric cholesteatoma surgery. Our practice has adapted to include non-echoplanar diffusion-weighted magnetic resonance imaging for the diagnosis of residual or recurrent cholesteatoma. This audit aimed to evaluate the performance of non-echoplanar diffusion-weighted magnetic resonance imaging in our paediatric population.

Methods

A retrospective review was conducted of non-echoplanar diffusion-weighted magnetic resonance imaging scans performed to detect residual disease or recurrence after surgery for cholesteatoma in children from 1 January 2012 to 30 November 2017 in our centre. Follow-up diffusion-weighted magnetic resonance imaging scans were reviewed to 16 August 2019.

Results

Thirty-four diffusion-weighted magnetic resonance imaging scans were included. The sensitivity and specificity values of diffusion-weighted magnetic resonance imaging for detecting post-operative cholesteatoma were 81 per cent and 72 per cent, respectively. Positive predictive and negative predictive values were 72 per cent and 81 per cent, respectively.

Conclusion

Use of diffusion-weighted magnetic resonance imaging is recommended as a replacement for routine second-look surgical procedures in the paediatric population. However, we would caution that patients require close follow up after negative diffusion-weighted magnetic resonance imaging findings.

Information

Type
Main Article
Copyright
Copyright © The Author(s), 2022. Published by Cambridge University Press on behalf of J.L.O. (1984) LIMITED

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