Isolated Schwannoma of the Olfactory Groove: A Case Report
Autor(a) principal: | |
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Data de Publicação: | 2015 |
Outros Autores: | , , , , |
Tipo de documento: | Relatório |
Idioma: | eng |
Título da fonte: | International Archives of Otorhinolaryngology |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1809-48642015000100093 |
Resumo: | Introduction Schwannoma of the olfactory groove is an extremely rare tumor that can share a differential diagnosis with meningioma or neuroblastoma. Objectives The authors present a case of giant schwannoma involving the anterior cranial fossa and ethmoid sinuses. Case Report The patient presented with a 30-month history of left nasal obstruction, anosmia, and sporadic ipsilateral bleeding. Computed tomography of the paranasal sinuses revealed expansive lesion on the left nasal cavity extending to nasopharynx up to ethmoid and sphenoid sinuses bilaterally with intraorbital and parasellar extension to the skull base. Magnetic resonance imaging scan confirmed the expansive tumor without dural penetration. Biopsy revealed no evidence of malignancy and probable neural cell. Bifrontal craniotomy was performed combined with lateral rhinotomy (Weber-Ferguson approach), and the lesion was totally removed. The tumor measured 8.0 4.3 3.7 cm and microscopically appeared as a schwannoma composed of interwoven bundles of elongated cells (Antoni A regions)mixed with less cellular regions (Antoni B). Immunohistochemical study stained intensively for vimentin and S-100. Conclusion Schwannomas of the olfactory groove are extremely rare, and the findings of origin of this tumor is still uncertain but recent studies point most probably to the meningeal branches of trigeminal nerve or anterior ethmoidal nerves. |
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Isolated Schwannoma of the Olfactory Groove: A Case Reportparanasal sinusesskull baseneurilemmomaolfactory nervehead and neck neoplasmsneoplasmsnerve tissue Introduction Schwannoma of the olfactory groove is an extremely rare tumor that can share a differential diagnosis with meningioma or neuroblastoma. Objectives The authors present a case of giant schwannoma involving the anterior cranial fossa and ethmoid sinuses. Case Report The patient presented with a 30-month history of left nasal obstruction, anosmia, and sporadic ipsilateral bleeding. Computed tomography of the paranasal sinuses revealed expansive lesion on the left nasal cavity extending to nasopharynx up to ethmoid and sphenoid sinuses bilaterally with intraorbital and parasellar extension to the skull base. Magnetic resonance imaging scan confirmed the expansive tumor without dural penetration. Biopsy revealed no evidence of malignancy and probable neural cell. Bifrontal craniotomy was performed combined with lateral rhinotomy (Weber-Ferguson approach), and the lesion was totally removed. The tumor measured 8.0 4.3 3.7 cm and microscopically appeared as a schwannoma composed of interwoven bundles of elongated cells (Antoni A regions)mixed with less cellular regions (Antoni B). Immunohistochemical study stained intensively for vimentin and S-100. Conclusion Schwannomas of the olfactory groove are extremely rare, and the findings of origin of this tumor is still uncertain but recent studies point most probably to the meningeal branches of trigeminal nerve or anterior ethmoidal nerves. Fundação Otorrinolaringologia2015-03-01info:eu-repo/semantics/reportinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1809-48642015000100093International Archives of Otorhinolaryngology v.19 n.1 2015reponame:International Archives of Otorhinolaryngologyinstname:Fundação Otorrinolaringologia (FORL)instacron:FORL10.1055/s-0033-1353368info:eu-repo/semantics/openAccessNascimento,Luiz AugustoSettanni,Flávio Aurélio ParenteGóis Filho,José Franscisco deSanchez,Isabela Naria DiasCavalcante,Bruna BarrosStávale,João Nobertoeng2015-12-09T00:00:00Zoai:scielo:S1809-48642015000100093Revistahttps://www.scielo.br/j/iao/https://old.scielo.br/oai/scielo-oai.php||iaorl@iaorl.org||archives@internationalarchivesent.org||arquivos@forl.org.br1809-48641809-4864opendoar:2015-12-09T00:00International Archives of Otorhinolaryngology - Fundação Otorrinolaringologia (FORL)false |
dc.title.none.fl_str_mv |
Isolated Schwannoma of the Olfactory Groove: A Case Report |
title |
Isolated Schwannoma of the Olfactory Groove: A Case Report |
spellingShingle |
Isolated Schwannoma of the Olfactory Groove: A Case Report Nascimento,Luiz Augusto paranasal sinuses skull base neurilemmoma olfactory nerve head and neck neoplasms neoplasms nerve tissue |
title_short |
Isolated Schwannoma of the Olfactory Groove: A Case Report |
title_full |
Isolated Schwannoma of the Olfactory Groove: A Case Report |
title_fullStr |
Isolated Schwannoma of the Olfactory Groove: A Case Report |
title_full_unstemmed |
Isolated Schwannoma of the Olfactory Groove: A Case Report |
title_sort |
Isolated Schwannoma of the Olfactory Groove: A Case Report |
author |
Nascimento,Luiz Augusto |
author_facet |
Nascimento,Luiz Augusto Settanni,Flávio Aurélio Parente Góis Filho,José Franscisco de Sanchez,Isabela Naria Dias Cavalcante,Bruna Barros Stávale,João Noberto |
author_role |
author |
author2 |
Settanni,Flávio Aurélio Parente Góis Filho,José Franscisco de Sanchez,Isabela Naria Dias Cavalcante,Bruna Barros Stávale,João Noberto |
author2_role |
author author author author author |
dc.contributor.author.fl_str_mv |
Nascimento,Luiz Augusto Settanni,Flávio Aurélio Parente Góis Filho,José Franscisco de Sanchez,Isabela Naria Dias Cavalcante,Bruna Barros Stávale,João Noberto |
dc.subject.por.fl_str_mv |
paranasal sinuses skull base neurilemmoma olfactory nerve head and neck neoplasms neoplasms nerve tissue |
topic |
paranasal sinuses skull base neurilemmoma olfactory nerve head and neck neoplasms neoplasms nerve tissue |
description |
Introduction Schwannoma of the olfactory groove is an extremely rare tumor that can share a differential diagnosis with meningioma or neuroblastoma. Objectives The authors present a case of giant schwannoma involving the anterior cranial fossa and ethmoid sinuses. Case Report The patient presented with a 30-month history of left nasal obstruction, anosmia, and sporadic ipsilateral bleeding. Computed tomography of the paranasal sinuses revealed expansive lesion on the left nasal cavity extending to nasopharynx up to ethmoid and sphenoid sinuses bilaterally with intraorbital and parasellar extension to the skull base. Magnetic resonance imaging scan confirmed the expansive tumor without dural penetration. Biopsy revealed no evidence of malignancy and probable neural cell. Bifrontal craniotomy was performed combined with lateral rhinotomy (Weber-Ferguson approach), and the lesion was totally removed. The tumor measured 8.0 4.3 3.7 cm and microscopically appeared as a schwannoma composed of interwoven bundles of elongated cells (Antoni A regions)mixed with less cellular regions (Antoni B). Immunohistochemical study stained intensively for vimentin and S-100. Conclusion Schwannomas of the olfactory groove are extremely rare, and the findings of origin of this tumor is still uncertain but recent studies point most probably to the meningeal branches of trigeminal nerve or anterior ethmoidal nerves. |
publishDate |
2015 |
dc.date.none.fl_str_mv |
2015-03-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/report |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
report |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1809-48642015000100093 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1809-48642015000100093 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1055/s-0033-1353368 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
text/html |
dc.publisher.none.fl_str_mv |
Fundação Otorrinolaringologia |
publisher.none.fl_str_mv |
Fundação Otorrinolaringologia |
dc.source.none.fl_str_mv |
International Archives of Otorhinolaryngology v.19 n.1 2015 reponame:International Archives of Otorhinolaryngology instname:Fundação Otorrinolaringologia (FORL) instacron:FORL |
instname_str |
Fundação Otorrinolaringologia (FORL) |
instacron_str |
FORL |
institution |
FORL |
reponame_str |
International Archives of Otorhinolaryngology |
collection |
International Archives of Otorhinolaryngology |
repository.name.fl_str_mv |
International Archives of Otorhinolaryngology - Fundação Otorrinolaringologia (FORL) |
repository.mail.fl_str_mv |
||iaorl@iaorl.org||archives@internationalarchivesent.org||arquivos@forl.org.br |
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1754203975212597248 |