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Rev. otorrinolaringol. cir. cabeza cuello ; 74(3): 232-236, dic. 2014. ilus
Article in Spanish | LILACS | ID: lil-734845

ABSTRACT

El schwannoma del nervio facial (SNF) es un tumor infrecuente, sin embargo es el tumor más frecuente del nervio facial. Son tumores benignos de crecimiento lento que producen sintomatología otológica no específica y pueden asociar parálisis facial. No existen exámenes preoperatorios que nos permitan diagnosticar con certeza el SNF. El estudio de elección se realiza con TC de alta resolución y RM con gadolinio. El diagnóstico definitivo es histopatológico pero se puede hacer diagnóstico presuntivo si la clínica, imágenes y hallazgo intraoperatorios son concordantes. El objetivo del tratamiento debe intentar preservar la función del nervio facial por el mayor tiempo posible. En casos de pacientes asintomáticos, o sin compromiso del nervio facial, se prefiere la observación. Se presentan en este artículo casos de schwannomas del facial intratimpánico y de cuerda del tímpano.


The facial nerve schwannoma (SNF) is a rare tumor, however it is the most common tumor of the facial nerve. They are slow-growing benign tumors that produce non-specific otologic symptoms and may be associated facial paralysis. There are no preoperative tests that allow us to accurately diagnose the SNF. The study of choice is made with high resolution CT and MRI with gadolinium. Definitive diagnosis is histopathological but the physician may make a presumptive diagnosis if clinical images and intraoperative findings are consistent. The goal of treatment should try to preserve facial nerve function for as long as possible. In cases of asymptomatic patients, without facial nerve involvement, observation is prefered. Cases of schwannomas of intratympanic facial and chorda tympani are presented in this article.


Subject(s)
Humans , Adolescent , Adult , Middle Aged , Cranial Nerve Neoplasms/surgery , Cranial Nerve Neoplasms/diagnosis , Facial Nerve/pathology , Neurilemmoma/surgery , Neurilemmoma/diagnosis , Facial Nerve/surgery
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