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European Archives of Oto-Rhino-Laryngology

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01-04-2019 | Vestibular Schwannoma | Review Article

Extension patterns of vestibular schwannomas towards the middle ear: three new cases and review of the literature

Authors: Aina Venkatasamy, Caroline Nicolas-Ong, Hella Vuong, Anne Charpiot, Francis Veillon

Published in: European Archives of Oto-Rhino-Laryngology | Issue 4/2019

Abstract

Objective

Middle ear extension of vestibular schwannomas is not a common occurrence, and only a few cases have been described so far in past publications. We report three new cases of vestibular schwannomas extending to the middle ear and reviewed the literature to specify the patterns of such an extension.

Materials and methods

We analysed databases of previously published articles to search for additional cases of middle ear extension of vestibular schwannomas and compared them to the cases we have documented. Extension patterns of the tumours were analysed, especially focusing on the extension through the round and oval windows.

Results and conclusion

Middle ear vestibular schwannomas are uncommon tumours and only 13 cases have been published so far. The vestibular schwannoma (internal auditory canal or intralabyrinthine) has to invade the labyrinth first (complete invasion in 88% of the cases, n = 14), before reaching the middle ear. In the majority of cases (69%, n = 11/16), internal auditory canal vestibular schwannomas or intralabyrinthine schwannomas extended in the middle ear though the round window.

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Title: Extension patterns of vestibular schwannomas towards the middle ear: three new cases and review of the literature
Authors: Aina Venkatasamy
Caroline Nicolas-Ong
Hella Vuong
Anne Charpiot
Francis Veillon
Publication date: 01-04-2019
Publisher: Springer Berlin Heidelberg
Keywords: Vestibular Schwannoma
Tinnitus
Vestibular Schwannoma
Schwannoma
Published in: European Archives of Oto-Rhino-Laryngology / Issue 4/2019
Print ISSN: 0937-4477
Electronic ISSN: 1434-4726
DOI: https://doi.org/10.1007/s00405-019-05332-9

At a glance: The ONWARDS insulin icodec trials

Springer Medicine

Extension patterns of vestibular schwannomas towards the middle ear: three new cases and review of the literature

Abstract

Objective

Materials and methods

Results and conclusion

At a glance: The ONWARDS insulin icodec trials

Springer Medicine

Abstract

Objective

Materials and methods

Results and conclusion

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