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Vol. 55. Issue 5.
Pages 206-211 (May 2004)
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Vol. 55. Issue 5.
Pages 206-211 (May 2004)
Tumores del ganglio geniculado. manejo terapéutico y reconstructivo
Geniculate ganglion tumors. therapeutic and reconstructive management
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J.A. González Garcíaa
Corresponding author
tirititet@hotmail.com

José Ángel González García. Juan Bravo nº 62 3ºC. 28006 Madrid
, O. Arenas Brítez, R. Gil Carrasco, C. Lendoiro Otero, A. Rodríguez Paramás, B. Scola Yurrita
Servicio de otorrinolaringología. hospital general universitario gregorio marañón. madrid
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Resumen

Presentamos cinco casos de pacientes diagnosticados de una lesión tumoral del nervio facial localizada en la región del ganglio geniculado a los cuales se practicó cirugía de exéresis. La clínica inicial fue en cuatro de los casos parálisis facial periférica de larga evolución y en el quinto paresia facial. Se realizaron dos abordajes transmastoideos extralaberínticos y uno por vía combinada (fosa media y transmastoidea) con reconstrucción del nervio facial mediante injerto termino-terminal. En el cuarto caso, un abordaje por fosa media, no se incluyó reconstrucción nerviosa sino tratamiento paliativo con placa de oro palpebral. En el quinto, un abordaje translaberíntico modificado, se hizo anastomosis termino-lateral hipogloso-facial. El diagnóstico histológico fue de 3 neurinomas y 2 hemangiomas. Funcionalmente 2 de los injertos termino-terminales lograron grado III de la clasificación de House-Brackmann. El tercero mantuvo grado VI por lo que se realizó suspensión con músculo temporal. El paciente con anastomosis hipoglosofacial está en grado funcional IV. Los tumores del ganglio geniculado son en su mayoría de histología benigna y su tratamiento es la exéresis completa. La reconstrucción nerviosa puede ser primaria o diferida ayudándose de injerto nervioso o anastomosis, siendo necesarias las técnicas paliativas cuando ésta no es posible

Palabras clave:
Tumores nervio facial
Tumores ganglio geniculado
Injerto nervio facial
Hemangioma
Neurinoma
Abstract

We present five cases of patients diagnosed of a facial nerve tumoral lesion localised at the Geniculate Ganglion and all of which underwent surgical resection. The initial symptoms were in four cases of peripheral facial nerve paralysis and in the fifth case facial paresis. Two trans-mastoid extralabyrinthine approaches were performed and one through a combined path (middle fossa and trans-mastoid) with reconstruction of the facial nerve through a termino-terminal graft. In the fourth case, an approach through fossa media was done, and did not include nerve reconstruction but palliative treatment with a palpebral gold plaque. In the fifth case, a modified trans-labyrinthine approach with facial-hypoglossus termino-terminal anastomosis. Histological diagnosis was 3 neurinomas and 2 hemangiomas. Of the termino-terminal grafts two managed a functional Grade III of the House-Brackmann classification. The third one sustained a Grade VI and therefore a suspension with temporal muscle was carried out. The patient with facial-hypoglossus anastomosis is in a functional Grade IV. Geniculate ganglion tumors are in their majority benign and their treatment is the total resection of the tumor. Nerve reconstruction can be primary or deferred with the aid of a nerve graft or anastomosis, being necessary palliative techniques when resection is not possible

Key words:
Facial nerve tumors
Geniculate ganglion tumor
Facial nerve graft
Hemangioma
Neurinoma

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