Minimally Invasive Surgery for Intracochlear Schwannoma Removal and Simultaneous Cochlear Implantation
Int. arch. otorhinolaryngol. (Impr.)
;
20(3): 271-274, July-Sept. 2016. graf, tab, ilus
Artículo
en Inglés
| LILACS
| ID: lil-795207
ABSTRACT
Abstract Introduction Hearing preservation has not yet been reported in patients undergoing resection of intracochlear schwannomas. This study describes a minimally invasive procedure for intracochlear schwannoma resection with simultaneous cochlear implantation that resulted in good hearing. Objective This study aims to describe a minimally invasive procedure for intracochlear schwannoma resection with simultaneous cochlear implantation. Data Synthesis The technique described in this study was developed for a 55-year-old male with a 20-year history of bilateral progressive hearing loss and tinnitus that had a mass in the left apical turn of the cochleameasuring 0.3 cm. Surgery accessed the apical turn of the cochlea. We performed mastoidectomy and posterior tympanotomy and removed incus and tensor tympani muscle to expose the cochlear apex. The tumor was identified and completely resected. After the cochleawas anatomically preserved, it was implanted with a straight electrode via round window insertion. The histopathological examination confirmed intracochlear schwannoma. Speech perception test revealed 100% speech recognition with closed sentences and the average audiometric threshold (500 to 2000 Hz) was 23 dB. Conclusion Our technique led to rehabilitation of the patient and improved hearing without damaging the intracochlear structure, making it possible to perform CI in the same procedure with good results.
Texto completo:
Disponible
Índice:
LILACS (Américas)
Asunto principal:
Implantes Cocleares
/
Procedimientos Quirúrgicos Mínimamente Invasivos
/
Pérdida Auditiva
Tipo de estudio:
Estudio pronóstico
Límite:
Humanos
/
Masculino
Idioma:
Inglés
Revista:
Int. arch. otorhinolaryngol. (Impr.)
Asunto de la revista:
Otorrinolaringologia
Año:
2016
Tipo del documento:
Artículo
País de afiliación:
Brasil
Institución/País de afiliación:
Universidade de São Paulo/BR
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