A Case Report Demonstrating Preservation of Vestibular Receptor Function after Transcochlear Removal of an Intracochlear Schwannoma with Extension to the Fundus of the Internal Auditory Canal

Preservation of function is an important goal during surgical management of cochleovestibular schwannomas. We here demonstrate the relief of vertigo and the preservation of function of all five vestibular receptors after removal of an intracochlear schwannoma with extension to the fundus of the inte...

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Bibliographic Details
Published in:Journal of clinical medicine 2024-06, Vol.13 (12), p.3373
Main Authors: Plontke, Stefan K, Iannacone, Francesco P, Siebolts, Udo, Ludwig-Kraus, Beatrice, Kösling, Sabrina, Wagner, Luise
Format: Article
Language:English
Subjects:
Acoustic neuroma
Care and treatment
Case Report
Cerebrospinal fluid
Cochlear implants
Diagnosis
Endoscopy
Health aspects
Medical equipment and supplies industry
Medical test kit industry
Patient outcomes
Physiology
Radiation therapy
Rehabilitation
Surgery
Transplants & implants
Tumors
Vertigo
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Summary:Preservation of function is an important goal during surgical management of cochleovestibular schwannomas. We here demonstrate the relief of vertigo and the preservation of function of all five vestibular receptors after removal of an intracochlear schwannoma with extension to the fundus of the internal auditory canal. A 61-year-old male with a five-year history of left-sided deafness, tinnitus, vertigo attacks, and an MRI consistent with an intracochlear schwannoma with limited extension through the modiolus to the fundus of the internal auditory canal (IAC) underwent transcanal, transcochlear total tumor removal and-due to a cerebrospinal fluid leak from the fundus of the IAC-revision surgery with lateral petrosectomy and blind sac closure of the external auditory canal. Despite complete removal of the cochlear partition of the inner ear (total cochlectomy), the patient's vestibular receptors remained functional, and the vertigo symptoms disappeared. These results show that vestibular labyrinthine function may not only be preserved after partial or subtotal cochlectomy but also after complete cochlear removal. This further confirms the vestibular labyrinth's robustness and encourages surgical management of transmodiolar schwannomas with limited extension to the fundus of the IAC.
ISSN:2077-0383
2077-0383
DOI:10.3390/jcm13123373