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European Archives of Oto-Rhino-Laryngology

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Open Access 02-06-2023 | Vestibular Schwannoma | Otology

MRI surveillance after translabyrinthine vestibular schwannoma resection and cochlear implantation: is it feasible?

Authors: Valerie Dahm, Ursula Schwarz-Nemec, Michael A. Arnoldner, Rudolfs Liepins, Alice B. Auinger, Christian Matula, Christoph Arnoldner

Published in: European Archives of Oto-Rhino-Laryngology | Issue 12/2023

Abstract

Purpose

Cochlear implantation in patients with vestibular schwannomas is of increasing importance and interest. Two remaining challenges are the assessment of conduction of the cochlear nerve and the possibility of postoperative surveillance with magnetic resonance imaging. The aim of the current study was to assess follow-up imaging and determine the visibility of the internal auditory canal after vestibular schwannoma resection and cochlear implantation as well as in patients with persistent vestibular schwannomas and cochlear implants in place. Visibility of the internal auditory canal, cerebellopontine angle, and labyrinth were evaluated and graded.

Methods

For this retrospective study, 15 MR examinations of 13 patients after translabyrinthine vestibular schwannoma resection and ipsilateral cochlear implantation were included. All patients had been implanted with an MED-EL cochlear implant. Magnetic resonance imaging was carried out on a 1.5T device. All patients were prepped according to the manufacturer’s recommendations.

Results

All 15 examinations were carried out without any adverse event during imaging, such as pain, magnet dislocation, or malfunction. The internal auditory canal and the cerebellopontine angle were sufficiently visible in all cases to allow for vestibular schwannoma follow-up.

Conclusion

Magnetic resonance imaging surveillance of the internal auditory canal following vestibular schwannoma resection and cochlear implantation is feasible and safe with modern implants with a 1.5T magnetic resonance imaging device using metal artifact reduction sequences. Necessary follow-up imaging should not be a contraindication for cochlear implantation in patients with vestibular schwannomas.

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Title: MRI surveillance after translabyrinthine vestibular schwannoma resection and cochlear implantation: is it feasible?
Authors: Valerie Dahm
Ursula Schwarz-Nemec
Michael A. Arnoldner
Rudolfs Liepins
Alice B. Auinger
Christian Matula
Christoph Arnoldner
Publication date: 02-06-2023
Publisher: Springer Berlin Heidelberg
Keywords: Vestibular Schwannoma
Vestibular Schwannoma
Cochlear Implant
Magnetic Resonance Imaging
Magnetic Resonance Imaging
Published in: European Archives of Oto-Rhino-Laryngology / Issue 12/2023
Print ISSN: 0937-4477
Electronic ISSN: 1434-4726
DOI: https://doi.org/10.1007/s00405-023-08036-3

2024 ASCO Annual Meeting

Springer Medicine

MRI surveillance after translabyrinthine vestibular schwannoma resection and cochlear implantation: is it feasible?

Abstract

Purpose

Methods

Results

Conclusion

2024 ASCO Annual Meeting

Springer Medicine

Abstract

Purpose

Methods

Results

Conclusion

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