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The utility of computed tomography and diffusion-weighted magnetic resonance imaging fusion in cholesteatoma: illustration with a UK case series

  • A Hall (a1), D St Leger (a2), A Singh (a1) and R K Lingam (a2)

Abstract

Objective

Post-processing imaging techniques allow high-resolution computed tomography and diffusion-weighted magnetic resonance imaging of the temporal bone to be superimposed and viewed simultaneously (fusion imaging). This study aimed to highlight the practical utility of fusion imaging for disease localisation and evaluation in a UK case series of primary and post-operative cholesteatoma.

Method

Fusion of computed tomography and diffusion-weighted magnetic resonance b1000 images was performed using specific software. Axial computed tomography images and coronal b1000 images were selected for fusion.

Results

A case series of primary and post-operative cholesteatoma in which computed tomography and magnetic resonance imaging fusion assisted the management of both the patient pathway and surgical approach is reviewed.

Conclusion

Computed tomography and magnetic resonance imaging fusion can assist in pre-operative surgical planning and patient counselling through assessment of disease in both primary and revision scenarios. Computed tomography and magnetic resonance imaging fusion can assist the operative surgeon through accurate localisation that can influence both the operative technique and optimise operation theatre utilisation.

Copyright

Corresponding author

Author for correspondence: Dr Ravi K Lingam, Department of Radiology, Northwick Park Hospital, Watford Road, Harrow, LondonHA1 3UJ, UK E-mail: ravi.lingam@nhs.net Fax: +44 20 8453 2283

Footnotes

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Dr R K Lingam takes responsibility for the integrity of the content of the paper

Footnotes

References

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2Muzaffar, J, Metcalfe, C, Colley, S, Coulson, C. Diffusion-weighted magnetic resonance imaging for residual and recurrent cholesteatoma: a systematic review and meta-analysis. Clin Otolaryngol 2017;42:536–43
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5Lingam, RK, Bassett, P. A meta-analysis on the diagnostic performance of non-echoplanar diffusion-weighted imaging in detecting middle ear cholesteatoma: 10 years on. Otol Neurotol 2017;38:521–8
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7Yamashita, K, Hiwatashi, A, Togao, O, Kikuchi, K, Matsumoto, N, Obara, M et al. High-resolution three-dimensional diffusion-weighted MRI/CT image data fusion for cholesteatoma surgical planning: a feasibility study. Eur Arch Otorhinolaryngol 2015;272:3821–4
8Locketz, GD, Li, PM, Fischbein, NJ, Holdsworth, SJ, Blevins, NH. Fusion of computed tomography and PROPELLER diffusion-weighted magnetic resonance imaging for the detection and localization of middle ear cholesteatoma. JAMA Otolaryngol Head Neck Surg 2016;142:947–53
9Watanabe, T, Ito, T, Furukawa, T, Futai, K, Kubota, T, Kanoto, M et al. The efficacy of color mapped fusion images in the diagnosis and treatment of cholesteatoma using transcanal endoscopic ear surgery. Otol Neurotol 2015;36:763–8
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Keywords

The utility of computed tomography and diffusion-weighted magnetic resonance imaging fusion in cholesteatoma: illustration with a UK case series

  • A Hall (a1), D St Leger (a2), A Singh (a1) and R K Lingam (a2)

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