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Vol. 62. Issue 5.
Pages 395-397 (September - October 2011)
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Vol. 62. Issue 5.
Pages 395-397 (September - October 2011)
Case Study
Solitary Neurofibroma of the Maxillary Sinus
Neurofibroma solitario de seno maxilar
Visits
2286
Maria F. Cegarra-Navarroa,
Corresponding author
paquicegarra@hotmail.com

Corresponding author.
, Jose A. Díaz-Manzanob, Enrique Viviente-Rodríguezc, Jesús Iniesta-Alcázarb
a Servicio de Radiología, Hospital General Universitario Reina Sofía, Murcia, Spain
b Servicio de Otorrinolaringología, Hospital del Noroeste, Área IV, Caravaca de la Cruz, Murcia, Spain
c Servicio de Otorrinolaringología, Hospital General Universitario Reina Sofía, Murcia, Spain
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Abstract

Neurofibromas are benign tumours of peripheral nerve tissue, frequently associated with neurofibromatosis type I. Their isolated occurrence in the maxillary sinus is rare, with only 6 cases described in the literature. We present the case of a 70-year-old woman who consulted for left hemifacial paresthesias of 10 years’ evolution. CT showed a heterogeneous lesion in the left maxillary sinus, eroding its lateral wall without signs of infiltration. Endoscopic surgery with nasalisation of the maxillary sinus was performed. The pathology was neurofibroma (positive for S-100 protein and vimentin). After 18 months, no tumour growth has been found.

Keywords:
Neurofibroma
Maxillary sinus
Resumen

Los neurofibromas son tumores benignos del tejido neural periférico, más frecuentes asociados a neurofibromatosis tipo I. La aparición aislada en un seno maxilar es excepcional, estando descritos sólo 6 casos en la literatura. Presentamos una mujer de 70 años que consultó por parestesias hemifaciales izquierdas de 10 años de evolución. La TC mostró una lesión heterogénea en seno maxilar izquierdo que erosionaba la pared lateral del mismo sin signos de infiltración. Se intervino mediante endoscopia, nasalizando el seno maxilar. La anatomía patológica fue de neurofibroma (proteína S-100 y vimentina positivos). Tras 18 meses no hemos encontrado crecimiento tumoral.

Palabras clave:
Neurofibroma
Seno maxilar

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