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Encapsulated Sinonasal Schwannoma Mimicking an Antrochoanal Polyp

Extracranial schwannomas are uncommon neoplasms of the sinonasal tract arising from peripheral nerve shealth. Mostly acapsulated on histology, but few cases of encapsulated schwannomas have been reported. Its symptoms are nonspecific and initial clinical diagnosis is frequently missed. We report a 1...

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Detalles Bibliográficos
Autores principales: Ajiya, Abdulrazak, Bello-Muhammad, Nafisatu
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Wolters Kluwer - Medknow 2019
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7053271/
https://www.ncbi.nlm.nih.gov/pubmed/32180664
http://dx.doi.org/10.4103/nmj.NMJ_104_19
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author Ajiya, Abdulrazak
Bello-Muhammad, Nafisatu
author_facet Ajiya, Abdulrazak
Bello-Muhammad, Nafisatu
author_sort Ajiya, Abdulrazak
collection PubMed
description Extracranial schwannomas are uncommon neoplasms of the sinonasal tract arising from peripheral nerve shealth. Mostly acapsulated on histology, but few cases of encapsulated schwannomas have been reported. Its symptoms are nonspecific and initial clinical diagnosis is frequently missed. We report a 13-year-old boy with a huge, encapsulated sinonasal schwannoma initially thought to be an antrochoanal polyp. Computed tomography scan demonstrated a huge irregularly shaped mildly enhancing isodense mass in the right nasal cavity with lateral extension to the ipsilateral maxillary sinus, superior extension into the ethmoids and frontal sinuses and posteriorly into the nasopharynx. The tumour was completely excised via a lateral rhinotomy and patient is still on follow-up.
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spelling pubmed-70532712020-03-16 Encapsulated Sinonasal Schwannoma Mimicking an Antrochoanal Polyp Ajiya, Abdulrazak Bello-Muhammad, Nafisatu Niger Med J Case Report Extracranial schwannomas are uncommon neoplasms of the sinonasal tract arising from peripheral nerve shealth. Mostly acapsulated on histology, but few cases of encapsulated schwannomas have been reported. Its symptoms are nonspecific and initial clinical diagnosis is frequently missed. We report a 13-year-old boy with a huge, encapsulated sinonasal schwannoma initially thought to be an antrochoanal polyp. Computed tomography scan demonstrated a huge irregularly shaped mildly enhancing isodense mass in the right nasal cavity with lateral extension to the ipsilateral maxillary sinus, superior extension into the ethmoids and frontal sinuses and posteriorly into the nasopharynx. The tumour was completely excised via a lateral rhinotomy and patient is still on follow-up. Wolters Kluwer - Medknow 2019 2020-02-24 /pmc/articles/PMC7053271/ /pubmed/32180664 http://dx.doi.org/10.4103/nmj.NMJ_104_19 Text en Copyright: © 2020 Nigerian Medical Journal http://creativecommons.org/licenses/by-nc-sa/4.0 This is an open access journal, and articles are distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 License, which allows others to remix, tweak, and build upon the work non-commercially, as long as appropriate credit is given and the new creations are licensed under the identical terms.
spellingShingle Case Report
Ajiya, Abdulrazak
Bello-Muhammad, Nafisatu
Encapsulated Sinonasal Schwannoma Mimicking an Antrochoanal Polyp
title Encapsulated Sinonasal Schwannoma Mimicking an Antrochoanal Polyp
title_full Encapsulated Sinonasal Schwannoma Mimicking an Antrochoanal Polyp
title_fullStr Encapsulated Sinonasal Schwannoma Mimicking an Antrochoanal Polyp
title_full_unstemmed Encapsulated Sinonasal Schwannoma Mimicking an Antrochoanal Polyp
title_short Encapsulated Sinonasal Schwannoma Mimicking an Antrochoanal Polyp
title_sort encapsulated sinonasal schwannoma mimicking an antrochoanal polyp
topic Case Report
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7053271/
https://www.ncbi.nlm.nih.gov/pubmed/32180664
http://dx.doi.org/10.4103/nmj.NMJ_104_19
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