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Vol. 72. Issue 5.
Pages 324-328 (September - October 2021)
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Vol. 72. Issue 5.
Pages 324-328 (September - October 2021)
Brief communication
Intralabyrinthine neurinoma: Management, exeresis and auditory restoration with cochlear implant
Neurinoma intralaberíntico: manejo, exéresis y restauración auditiva con implante coclear
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Blanca Pastor Gomisa,
Corresponding author
bpastorgomis@gmail.com

Corresponding author.
, Carlos de Paula Vernettaa,b, Abel Guzmán Calvetea, Laura Cavallé Garridoa,b, Miguel Armengot Carcellera,b
a Servicio de Otorrinolaringología, Hospital Universitario y Politécnico La Fe, Valencia, Spain
b Facultad de Medicina y Odontología, Universidad de Valencia, Valencia, Spain
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Abstract
Background and objective

Vestibular schwannoma is a benign tumour that originates in the eighth cranial nerve. It is termed intralabyrinthine schwannoma (ILS) when it develops in the inner ear, this being a rare origin. We present our experience in the management of three patients with ILS.

Materials and methods

The results of tumour excision and cochlear implantation were evaluated in three patients with ILS: two intracochlear schwannomas (ICS) and one intravestibular schwannoma (IVS).

Results

Prior to surgery, all patients presented progressive sensorineural hearing loss and tinnitus. Complete tumour resection and cochlear implantation was possible in all patients, with favourable hearing rehabilitation.

Conclusions

The therapeutic approach will depend on tumour size, growth rate, degree of hearing loss and presence of vestibular symptoms. Cochlear implantation (CI) in patients with ILS is possible when the cochlear nerve is present and functional. CI in patients, whether or not preceded by tumour excision, is an option with good hearing results in selected patients.

Keywords:
Vestibular schwannoma
Intralabyrinthine schwannoma
Cochlear implant
Resumen
Introducción y objetivo

El schwannoma vestibular es un tumor benigno que se origina en el octavo par craneal. Se denomina schwannoma intralaberíntico (SIL) cuando se origina en el oído interno, siendo este origen poco frecuente. Presentamos nuestra experiencia en el manejo de 3 pacientes con SIL.

Material y métodos

Los resultados de la exéresis tumoral e implantación coclear fueron evaluados en 3 pacientes con SIL: 2 casos de schwannoma intracoclear y un caso de schwannoma intravestibular.

Resultados

Previo a la cirugía, todos los pacientes presentaban hipoacusia neurosensorial progresiva y acúfeno ipsilateral. La resección tumoral completa y la colocación de un implante coclear fue posible en todos los casos, con una rehabilitación auditiva favorable.

Conclusiones

La actitud terapéutica dependerá del tamaño del tumor, el crecimiento, el grado de pérdida auditiva y los síntomas vestibulares. La implantación coclear en pacientes con SIL es posible cuando el nervio coclear está presente y es funcionante. El IC en el SIL, ya sea con exéresis previa o no del tumor, es una opción con buenos resultados auditivos en pacientes seleccionados.

Palabras clave:
Schwannoma vestibular
Schwanoma intralaberíntico
Implante coclear

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