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Inicio Acta Otorrinolaringológica Española Abordaje de un schwannoma de la fosa pterigopalatina por cirugía endoscópica n...
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Vol. 56. Issue 1.
Pages 41-43 (January 2005)
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Vol. 56. Issue 1.
Pages 41-43 (January 2005)
Abordaje de un schwannoma de la fosa pterigopalatina por cirugía endoscópica nasal
Endoscopic nasal surgery for pterigopalatine fossa schwannoma
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A. Martínez Ferrerasa
Corresponding author
alfonsomf@hotmail.com

Alfonso Martínez Ferreras. Servicio de Otorrinolaringología. Hospital Central de Asturias. Celestino Villamil s/n. 33006 Oviedo
, J.P. Rodrigo Tapia, J.L. Llorente Pendás, C. Suárez Nieto
Servicio de Otorrinolaringología. Hospital Universitario Central de Asturias. Oviedo
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Resumen

Los schwannomas son tumores que derivan de las células de Schwann que forman la vaina de mielina que rodea a la mayoría de nervios periféricos, autónomos y pares craneales. Los schwannomas de cabeza y cuello representan el 25-35% de todos los del organismo y se localizan preferentemente en los pares craneales VIII y X. En las fosas nasales y senos paranasales son bastante raros (menos del 4% de todo el organismo). Con menor frecuencia aún se presenta este tumor en el espacio pterigo-palatino, teniendo origen en este caso en las ramas 2ª ó 3ª del trigémino. En esta excepcional localización, el abordaje utilizado ha sido clásicamente un Cadwell-Luc. En este caso describimos la exéresis de un tumor de estas características mediante un abordaje endoscópico intranasal

Palabras clave:
Schwannoma
Fosa pterigo-palatina
Cirugía endoscópica nasal
Abstract

Schwannomas are tumors of nerve sheath origin, the lesion being derived from the Schwann cells surrounding neural tissue in most of the peripheral, cranial and autonomic nerves. Schwannomas occurring in the head and neck represent 25-35% of all reported schwannomas, and most commonly arise from the acoustic or the neumogastric nerves. In the nose and paranasal sinuses these tumors are very uncommon (fewer than 4% of all schwannomas). In the pterygopalatine fossa they are very rare, and arise in this case from the ophthalmic and maxillary branches of the trigeminal nerve. In this exceptional site, the tumor is classically approached through a Caldwell-Luc incision. In this case, we report the removal of a schwannoma of the pterygopalatine fossa by endoscopic sinus surgery

Key words:
Schwannoma
Pterygopalatine fossa
Endoscopic sinus surgery

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