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Vol. 21. Issue 1.
Pages 50-52 (January 2010)
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Vol. 21. Issue 1.
Pages 50-52 (January 2010)
Neuralgia del trigémino provocada por un tumor del ángulo ponto-cerebeloso contralateral. Caso clínico
Trigeminal neuralgia caused by contra lateral cerebellopontine angle tumor. A case report
C. Chamadoira
Corresponding author
clarachamadoira@gmail.com

Correspondencia: Neurosurgery Department, Hospital de São João, Alameda Professor Hernâni Monteiro, 4200-319, Porto, Portugal.
, A. Cerejo, F. Duarte, R. Vaz
Departamento de Neurocirugia, Hospital de São Joãom, Porto, Portugal
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Resumen

La gran mayoría de neuralgias del trigémino son atribuidas a la compresión por estructuras vasculares, de la zona de entrada del nervio a nivel de la protuberancia. En torno al 1% de los casos de neuralgia del trigémino están asociados a tumores del ángulo pontocerebeloso ipsilaterales. Las neuralgias del trigémino provocadas por tumores contralaterales de la fosa posterior son muy raras. Los autores presentan el caso clínico de un paciente de 37 años, con una neuralgia del trigémino derecha y un voluminoso neurinoma del acústico izquierdo. El dolor remitió completamente después de la escisión del tumor.

Palabras clave:
Ángulo ponto-cerebeloso
Dolor contralateral
Neuralgia del trigémino
Neurinoma acústico
Summary

In most cases, trigeminal neuralgia is due to compression of the trigeminal nerve in the zone of entrance at the pons by vascular structures. About 1% of cases, have trigeminal neuralgia associated with the presence of ipsilateral lesion of cerebellar-pontine angle. Rarely, trigeminal neuralgia may be due to contralateral posterior fossa tumors. We present a case of a 37-year- old patient who presented with right trigeminal neuralgia and harboured a left acoustic neuroma of significant dimension. Facial pain completely disappeared after tumor removal.

Key words:
Acoustic neuroma
Cerebellopontine angle
Contra lateral pain
Trigeminal neuralgia

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