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Vol. 18. Issue 1.
Pages 44-46 (January 2007)
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Vol. 18. Issue 1.
Pages 44-46 (January 2007)
Parálisis facial por angioma cavernoso del peñasco. Caso clínico
Facial nerve palsy due to cavernous angioma of the petrous bone. Case report
J.M. González-Darder
, J.V. Pesudo-Martínez
Servicio de Neurocirugía. Hospital General de Castellón. Castellón
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Resumen

La parálisis facial secundaria a compresión tumoral extrínseca del nervio facial en el ganglio geniculado es una eventualidad rara. Se presenta el caso de un paciente con angioma cavernoso del hueso temporal y clínica de parálisis facial periférica de evolución tórpida (House-Brackmann grado IV), acompañada de ojo seco y ausencia de reflejo estapedial. En el estudio de imagen rutinario con tomografía computarizada y resonancia magnética no se identificaron lesiones, pero las mismas técnicas realizadas tras la sospecha clínica identificaron una lesión menor de 1cm con todas las características radiológicas de un angioma cavernoso. La lesión fue abordada y extirpada microquirúrgicamente a través de una vía de fosa media extradural con evolución favorable de los déficits neurológicos preoperatorios (House-Brackmann grado II).

Palabras clave:
Parálisis facial
Nervio facial
Tumor de peñasco
Angioma cavernoso óseo
Summary

The facial nerve palsy due to extrinsic tumoral compression of the facial nerve at the geniculate ganglium is very rare. We present the case of a patient with a temporal bone cavernoma and symptoms of a torpid peripheral facial House-Brackmann grade IV nerve palsy with dry eye and loss of stapedial reflex. The routine computed tomographic and magnetic resonance imaging studies showed no abnormalities, but the same imaging techniques done after the clinical suspiction identified a less that 1cm lesion that was compatible with an osseous cavernous angioma. The lesion was approached and removed through a microsurgical middle fossa extradural approach with a good postoperative recovery (House-Brackmann grade II).

Key words:
Facial nerve palsy
Facial nerve
Petrous bone tumour
Osseous cavernous angioma

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