Los schwannomas constituyen del 8 al 10% de los tumores intracraneales. Su asiento principal es la rama vestibular del VIII nervio craneal, siendo los trigemi-nales de escasa frecuencia. Presentamos el caso de una paciente admitida en el Instituto Nacional de Neurología y Neurocirugía “Manuel Velasco Suárez” de la ciudad de México con una masa en la fosa infratemporal con extensión importante a estructuras vecinas. Los schwannomas con extensión a la fosa infratemporal son raros. Revisamos la anatomía de la fosa infratemporal, los accesos quirúrgicos hacia dicha región, analizamos la serie de casos junto al nuestro y proponemos una modalidad quirúrgica distinta.
Schwannomas reach 8 to 10% of all intracranial tumors. Most origínate at the vestibular root of VIII cranial nerve, but trigeminal tumors are infrequent. We present the case of a patient admitted at the National Institute of Neurology and Neurosurgery “Manuel Velasco Suárez” (México City) with a mass occupying the infratemporal fossa with involvement of nearby structures. Schwannomas with extensión to the infratemporal fossa are rare. We review the anatomy of this región, the surgical approaches, which have been used and propose a different approach.
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