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Year: 2012  Vol. 16   Num. Suppl. 1  - May
DOI: 10.7162/S1809-977720120S1PC-032
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XXXIX CONVENTUS SOCIETAS ORL LATINA - Poster
Texto Text in Portuguese
SCHWANNOMA OF THE NASAL TANK - A PURPOSE OF A CASE
SCHWANNOMA DE FOSAS NASALES - A PROPÓSITO DE UN CASO
Author(s):
Nestor Cardozo, Oscar Gómez, Alvaro Vincenty, Esteban Espínola Duarte, Liu Ta Ju, Jose Quiroz
Abstract:

The schwannoma is a solitary lesion, which originates from benign sheath cells Schawann. Rarely is malignant, or never occurs. Approximately 25% of schwannoma arise in head and neck; a few are produced in the nose and sinuses. Patient 59 years old male with no underlying pathology with nasal obstruction on the right side with 6 months of development, accompanied by clear rhinorrhea unilateral continuous. For rhinoscopy is viewed with fibrin vegetating lesion occupying the entire right nasal cavity 1 cm from the nostril, solid, that does not ingurgitating with Valsalva maneuver. To the right choanae posterior rhinoscopy occupied by vegetating lesion. If you make contact and contrast tomography lesion occupying the entire right nasal cavity, destroying the partition wall, crosses the midline, with calcium imaging inside, infiltrates the anterior wall of sphenoidal sinus, maxillary sinus. Etmoidal right sinus and front right busy. Perform a biopsy pathology report with the following: spindle cell tumor of undetermined malignant potential. Not observed significant mitotic activity or necrosis. Morphological and immunohistochemistry reports immunohistochemistry compatible Neurilemmoma (Schawannoma). Extraction is performed by endoscopic sinus surgery and found that the tumor occupies sphenoid, ethmoid cells anterior and posterior right, inflating the septum and the medial wall of the right maxillary sinus. Patient has good post-operative development and decides for mercy / grace to follow the regular process.

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