Desmoplastic melanoma: a rare variant with challenging diagnosis
Autor(a) principal: | |
---|---|
Data de Publicação: | 2019 |
Outros Autores: | , , |
Tipo de documento: | Relatório |
Idioma: | eng |
Título da fonte: | Anais brasileiros de dermatologia (Online) |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0365-05962019000100014 |
Resumo: | Abstract: Desmoplastic melanoma, a distinct and uncommon variant, is characterized as an invasive lesion with proliferation of fusiform melanocytes in the dermis and subcutaneous tissue, associated with varying patterns of desmoplasia. Neurotropism and neural differentiation may occur. The clinical presentation is variable and nonspecific, easily confused with other fibrous neoplasms. The disease is locally aggressive and shows lower metastasis rates than other types of melanoma. Histopathology may be insufficient, requiring positive immunohistochemistry for S-100 protein and other antigens of melanocytic differentiation. Because desmoplastic melanoma represents a true clinical, dermoscopic, and histopathological diagnostic challenge, a case of invasive desmoplastic melanoma is reported, affecting a photoexposed area in an elderly woman after histological revisions and an initial diagnosis of fibroma. |
id |
SBD-1_ba7b462268ce81bd459ab9585706d939 |
---|---|
oai_identifier_str |
oai:scielo:S0365-05962019000100014 |
network_acronym_str |
SBD-1 |
network_name_str |
Anais brasileiros de dermatologia (Online) |
repository_id_str |
|
spelling |
Desmoplastic melanoma: a rare variant with challenging diagnosisImmunohistochemistryMelanomaMelanoma-specific antigensSkin neoplasmsAbstract: Desmoplastic melanoma, a distinct and uncommon variant, is characterized as an invasive lesion with proliferation of fusiform melanocytes in the dermis and subcutaneous tissue, associated with varying patterns of desmoplasia. Neurotropism and neural differentiation may occur. The clinical presentation is variable and nonspecific, easily confused with other fibrous neoplasms. The disease is locally aggressive and shows lower metastasis rates than other types of melanoma. Histopathology may be insufficient, requiring positive immunohistochemistry for S-100 protein and other antigens of melanocytic differentiation. Because desmoplastic melanoma represents a true clinical, dermoscopic, and histopathological diagnostic challenge, a case of invasive desmoplastic melanoma is reported, affecting a photoexposed area in an elderly woman after histological revisions and an initial diagnosis of fibroma.Sociedade Brasileira de Dermatologia2019-02-01info:eu-repo/semantics/reportinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0365-05962019000100014Anais Brasileiros de Dermatologia v.94 n.1 2019reponame:Anais brasileiros de dermatologia (Online)instname:Sociedade Brasileira de Dermatologia (SBD)instacron:SBD10.1590/abd1806-4841.20197481info:eu-repo/semantics/openAccessMarques,Priscila CastelanDiniz,Lucia MartinsSpelta,KarlaNogueira,Paulo Sergio Emericheng2019-12-18T00:00:00Zoai:scielo:S0365-05962019000100014Revistahttp://www.anaisdedermatologia.org.br/https://old.scielo.br/oai/scielo-oai.phpabd@sbd.org.br||revista@sbd.org.br1806-48410365-0596opendoar:2019-12-18T00:00Anais brasileiros de dermatologia (Online) - Sociedade Brasileira de Dermatologia (SBD)false |
dc.title.none.fl_str_mv |
Desmoplastic melanoma: a rare variant with challenging diagnosis |
title |
Desmoplastic melanoma: a rare variant with challenging diagnosis |
spellingShingle |
Desmoplastic melanoma: a rare variant with challenging diagnosis Marques,Priscila Castelan Immunohistochemistry Melanoma Melanoma-specific antigens Skin neoplasms |
title_short |
Desmoplastic melanoma: a rare variant with challenging diagnosis |
title_full |
Desmoplastic melanoma: a rare variant with challenging diagnosis |
title_fullStr |
Desmoplastic melanoma: a rare variant with challenging diagnosis |
title_full_unstemmed |
Desmoplastic melanoma: a rare variant with challenging diagnosis |
title_sort |
Desmoplastic melanoma: a rare variant with challenging diagnosis |
author |
Marques,Priscila Castelan |
author_facet |
Marques,Priscila Castelan Diniz,Lucia Martins Spelta,Karla Nogueira,Paulo Sergio Emerich |
author_role |
author |
author2 |
Diniz,Lucia Martins Spelta,Karla Nogueira,Paulo Sergio Emerich |
author2_role |
author author author |
dc.contributor.author.fl_str_mv |
Marques,Priscila Castelan Diniz,Lucia Martins Spelta,Karla Nogueira,Paulo Sergio Emerich |
dc.subject.por.fl_str_mv |
Immunohistochemistry Melanoma Melanoma-specific antigens Skin neoplasms |
topic |
Immunohistochemistry Melanoma Melanoma-specific antigens Skin neoplasms |
description |
Abstract: Desmoplastic melanoma, a distinct and uncommon variant, is characterized as an invasive lesion with proliferation of fusiform melanocytes in the dermis and subcutaneous tissue, associated with varying patterns of desmoplasia. Neurotropism and neural differentiation may occur. The clinical presentation is variable and nonspecific, easily confused with other fibrous neoplasms. The disease is locally aggressive and shows lower metastasis rates than other types of melanoma. Histopathology may be insufficient, requiring positive immunohistochemistry for S-100 protein and other antigens of melanocytic differentiation. Because desmoplastic melanoma represents a true clinical, dermoscopic, and histopathological diagnostic challenge, a case of invasive desmoplastic melanoma is reported, affecting a photoexposed area in an elderly woman after histological revisions and an initial diagnosis of fibroma. |
publishDate |
2019 |
dc.date.none.fl_str_mv |
2019-02-01 |
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=S0365-05962019000100014 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0365-05962019000100014 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/abd1806-4841.20197481 |
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 |
Sociedade Brasileira de Dermatologia |
publisher.none.fl_str_mv |
Sociedade Brasileira de Dermatologia |
dc.source.none.fl_str_mv |
Anais Brasileiros de Dermatologia v.94 n.1 2019 reponame:Anais brasileiros de dermatologia (Online) instname:Sociedade Brasileira de Dermatologia (SBD) instacron:SBD |
instname_str |
Sociedade Brasileira de Dermatologia (SBD) |
instacron_str |
SBD |
institution |
SBD |
reponame_str |
Anais brasileiros de dermatologia (Online) |
collection |
Anais brasileiros de dermatologia (Online) |
repository.name.fl_str_mv |
Anais brasileiros de dermatologia (Online) - Sociedade Brasileira de Dermatologia (SBD) |
repository.mail.fl_str_mv |
abd@sbd.org.br||revista@sbd.org.br |
_version_ |
1752126423345135616 |