DERMOSCOPY IN THE DIAGNOSIS OF COMPOUND TUMORS – A CLINICAL REPORT

Bibliographic Details
Main Author: Laureano, André
Publication Date: 2014
Other Authors: Fernandes, Cândida, Cardoso, Jorge
Format: Article
Language: por
Source: Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)
Download full: https://doi.org/10.29021/spdv.72.1.230
Summary: The coexistence of more than one neoplasm in a single cutaneous specimen is uncommon and has been defined as collision or compound tumor. The authors describe a 66-year-old man who presented with a contiguous seborrheic keratosis and a basal cell carcinoma on the left malar region that had developed in about one year. The case was investigated clinically and focusing on the dermoscopic features and histopathological correlates. Dermoscopy of the lesion revealed milia-like cysts corresponding to the verrucous part of the lesion, whereas the erythema at the periphery disclosed a few arborizing vessels. Histologically the lesion was a seborrheic keratosis and a basal cell carcinoma. Hence, histopathology confirmed the dermoscopic diagnosis of a compound tumor. Dermoscopy is not only an important aid to the diagnosis of cutaneous collision tumors but might additionally turn the attention of histopathologists to any peculiar feature of a given lesion.
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spelling DERMOSCOPY IN THE DIAGNOSIS OF COMPOUND TUMORS – A CLINICAL REPORTIMPORTÂNCIA DA DERMATOSCOPIA NO DIAGNÓSTICO DE TUMORES COMPOSTOS – UM CASO CLÍNICODermoscopySkin neoplasmsDermatoscopiaNeoplasias da peleThe coexistence of more than one neoplasm in a single cutaneous specimen is uncommon and has been defined as collision or compound tumor. The authors describe a 66-year-old man who presented with a contiguous seborrheic keratosis and a basal cell carcinoma on the left malar region that had developed in about one year. The case was investigated clinically and focusing on the dermoscopic features and histopathological correlates. Dermoscopy of the lesion revealed milia-like cysts corresponding to the verrucous part of the lesion, whereas the erythema at the periphery disclosed a few arborizing vessels. Histologically the lesion was a seborrheic keratosis and a basal cell carcinoma. Hence, histopathology confirmed the dermoscopic diagnosis of a compound tumor. Dermoscopy is not only an important aid to the diagnosis of cutaneous collision tumors but might additionally turn the attention of histopathologists to any peculiar feature of a given lesion.A presença simultânea na mesma lesão de neoplasias cutâneas distintas designa-se por tumor composto ou de colisão, sendo considerada pouco frequente. Os autores descrevem o caso de um homem de 66 anos, observado por placa acastanhada de superfície verrucosa. Observou-se na região malar esquerda uma placa com 8 mm de maior eixo, limites mal definidos, coloração acastanhada e de superfície verrucosa, com bordo parcialmente eritematoso, com presença de múltiplas telangiectasias. A observação dermatoscópica evidenciou uma lesão não-melanocítica, distinguindo-se a combinação de múltiplos pseudo-quistos de milia (mais evidentes com luz não-polarizada), eritema e vasos arboriformes, com ramificações de menor calibre, na periferia (mais evidentes com luz polarizada). A primeira estrutura é característica de queratose seborreica, enquanto que as estruturas vasculares apresentam elevado valor preditivo positivo para o diagnóstico de carcinoma basocelular. A avaliação histopatológica confirmou os diagnósticos dermatoscópicos, com achados comuns às referidas neoplasias. A raridade deste tumor combinado contrasta com a prevalência das queratoses seborreicas. A dermatoscopia poderá constituir um complemento fundamental na sua abordagem, porque permite a observação de padrões de diagnóstico nem sempre evidentes do ponto de vista clínico, constituindo uma informação adicional à avaliação histopatológica.Sociedade Portuguesa de Dermatologia e Venereologia2014-07-17T00:00:00Zjournal articleinfo:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://doi.org/10.29021/spdv.72.1.230oai:ojs.revista.spdv.com.pt:article/230Journal of the Portuguese Society of Dermatology and Venereology; Vol 72 No 1 (2014): Janeiro - Março; 109-112Revista da Sociedade Portuguesa de Dermatologia e Venereologia; v. 72 n. 1 (2014): Janeiro - Março; 109-1122182-24092182-2395reponame:Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)instname:FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologiainstacron:RCAAPporhttps://revista.spdv.com.pt/index.php/spdv/article/view/230https://doi.org/10.29021/spdv.72.1.230https://revista.spdv.com.pt/index.php/spdv/article/view/230/212Laureano, AndréFernandes, CândidaCardoso, Jorgeinfo:eu-repo/semantics/openAccess2022-10-06T12:34:46Zoai:ojs.revista.spdv.com.pt:article/230Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireinfo@rcaap.ptopendoar:https://opendoar.ac.uk/repository/71602025-05-28T10:30:59.682583Repositórios Científicos de Acesso Aberto de Portugal (RCAAP) - FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologiafalse
dc.title.none.fl_str_mv DERMOSCOPY IN THE DIAGNOSIS OF COMPOUND TUMORS – A CLINICAL REPORT
IMPORTÂNCIA DA DERMATOSCOPIA NO DIAGNÓSTICO DE TUMORES COMPOSTOS – UM CASO CLÍNICO
title DERMOSCOPY IN THE DIAGNOSIS OF COMPOUND TUMORS – A CLINICAL REPORT
spellingShingle DERMOSCOPY IN THE DIAGNOSIS OF COMPOUND TUMORS – A CLINICAL REPORT
Laureano, André
Dermoscopy
Skin neoplasms
Dermatoscopia
Neoplasias da pele
title_short DERMOSCOPY IN THE DIAGNOSIS OF COMPOUND TUMORS – A CLINICAL REPORT
title_full DERMOSCOPY IN THE DIAGNOSIS OF COMPOUND TUMORS – A CLINICAL REPORT
title_fullStr DERMOSCOPY IN THE DIAGNOSIS OF COMPOUND TUMORS – A CLINICAL REPORT
title_full_unstemmed DERMOSCOPY IN THE DIAGNOSIS OF COMPOUND TUMORS – A CLINICAL REPORT
title_sort DERMOSCOPY IN THE DIAGNOSIS OF COMPOUND TUMORS – A CLINICAL REPORT
author Laureano, André
author_facet Laureano, André
Fernandes, Cândida
Cardoso, Jorge
author_role author
author2 Fernandes, Cândida
Cardoso, Jorge
author2_role author
author
dc.contributor.author.fl_str_mv Laureano, André
Fernandes, Cândida
Cardoso, Jorge
dc.subject.por.fl_str_mv Dermoscopy
Skin neoplasms
Dermatoscopia
Neoplasias da pele
topic Dermoscopy
Skin neoplasms
Dermatoscopia
Neoplasias da pele
description The coexistence of more than one neoplasm in a single cutaneous specimen is uncommon and has been defined as collision or compound tumor. The authors describe a 66-year-old man who presented with a contiguous seborrheic keratosis and a basal cell carcinoma on the left malar region that had developed in about one year. The case was investigated clinically and focusing on the dermoscopic features and histopathological correlates. Dermoscopy of the lesion revealed milia-like cysts corresponding to the verrucous part of the lesion, whereas the erythema at the periphery disclosed a few arborizing vessels. Histologically the lesion was a seborrheic keratosis and a basal cell carcinoma. Hence, histopathology confirmed the dermoscopic diagnosis of a compound tumor. Dermoscopy is not only an important aid to the diagnosis of cutaneous collision tumors but might additionally turn the attention of histopathologists to any peculiar feature of a given lesion.
publishDate 2014
dc.date.none.fl_str_mv 2014-07-17T00:00:00Z
dc.type.driver.fl_str_mv journal article
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dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
format article
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dc.identifier.uri.fl_str_mv https://doi.org/10.29021/spdv.72.1.230
oai:ojs.revista.spdv.com.pt:article/230
url https://doi.org/10.29021/spdv.72.1.230
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https://doi.org/10.29021/spdv.72.1.230
https://revista.spdv.com.pt/index.php/spdv/article/view/230/212
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
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dc.publisher.none.fl_str_mv Sociedade Portuguesa de Dermatologia e Venereologia
publisher.none.fl_str_mv Sociedade Portuguesa de Dermatologia e Venereologia
dc.source.none.fl_str_mv Journal of the Portuguese Society of Dermatology and Venereology; Vol 72 No 1 (2014): Janeiro - Março; 109-112
Revista da Sociedade Portuguesa de Dermatologia e Venereologia; v. 72 n. 1 (2014): Janeiro - Março; 109-112
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