Color dilution alopecia: case report

Detalhes bibliográficos
Autor(a) principal: Lopes, Natália Lores
Data de Publicação: 2018
Outros Autores: Peixoto, André de Paula, Costa, Thiago dos Santos, Pisani, Rafaela Bruno Farias, Medeiros, Carolina Moraes Barbalho Trivisol, Ramadinha, Regina Helena Ruckert, Mascarenhas, Mariana Bezerra, Fernandes, Julio Israel
Tipo de documento: Artigo
Idioma: por
Título da fonte: Brazilian Journal of Veterinary Medicine
Texto Completo: https://rbmv.org/BJVM/article/view/937
Resumo: Color dilution alopecia is characterized by follicular dysplasia that leads to alopecia characterized by an abnormal distribution of melanin in the hair. There are few reports of mixed breed dogs and the diagnosis can be reached based on trichogramma and confirmed by histopathological evaluation. The aim of this study was to report a case of Color dilution alopecia in a mixed breed dog treated at the Veterinary Hospital of the Federal Rural University of Rio de Janeiro that had generalized hypotrichosis. Trichogramma was performed and was observed the presence of melanin aggregates along the hair shafts. Histopathological evaluation showed the presence of atypical macromelanossomas and melanin plugs into follicular structures scattered throughout the superficial dermis and deep, mild acanthosis with hyperkeratosis and absence of many follicles. The changes observed were consistent with color diluted alopecia. It is concluded that in order to obtain the diagnosis of color diluted alopecia, clinical history is important as well as a well-done clinical and dermatological examination, with the exclusion of possible diagnoses and the skin histopathology, which is an important tool for diagnosis
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spelling Color dilution alopecia: case reportAlopecia por diluição da cor: relato de casoCão, Alopecia, Displasia follicularDog, Alopecia, Follicular DysplasiaColor dilution alopecia is characterized by follicular dysplasia that leads to alopecia characterized by an abnormal distribution of melanin in the hair. There are few reports of mixed breed dogs and the diagnosis can be reached based on trichogramma and confirmed by histopathological evaluation. The aim of this study was to report a case of Color dilution alopecia in a mixed breed dog treated at the Veterinary Hospital of the Federal Rural University of Rio de Janeiro that had generalized hypotrichosis. Trichogramma was performed and was observed the presence of melanin aggregates along the hair shafts. Histopathological evaluation showed the presence of atypical macromelanossomas and melanin plugs into follicular structures scattered throughout the superficial dermis and deep, mild acanthosis with hyperkeratosis and absence of many follicles. The changes observed were consistent with color diluted alopecia. It is concluded that in order to obtain the diagnosis of color diluted alopecia, clinical history is important as well as a well-done clinical and dermatological examination, with the exclusion of possible diagnoses and the skin histopathology, which is an important tool for diagnosisA alopecia por diluição da cor é caracterizada por displasia folicular que leva à alopecia caracterizada pela distribuição anormal de melanina no pelo. Há poucos relatos em cães sem raça definida e o diagnóstico pode ser obtido baseado no tricograma e confirmado através de avaliação histopatológica. O objetivo deste estudo foi relatar um caso de alopecia por diluição da cor em um cão sem raça definida atendido no Hospital Veterinário da Universidade Federal Rural do Rio de Janeiro que apresentava hipotricose generalizada. Foi realizado tricograma e observou-se a presença de agregados de melanina ao longo das hastes pilosas. O exame histopatológico apresentou macromelanossomas atípicos e plugues de melanina em estruturas foliculares espalhadas por toda a derme superficial e profunda, ligeira acantose com hiperqueratose e ausência de muitos folículos. As alterações observadas foram consistentes com alopecia por diluição da cor. Conclui-se que para se obter o diagnóstico da alopecia por diluição da cor é importante o histórico, um exame clínico e dermatológico bem feito, com a exclusão de possíveis diagnósticos diferencias além da histopatologia de pele que é uma importante ferramenta para auxiliar no diagnóstico.  Sociedade de Medicina Veterinária do Estado do Rio de Janeiro.2018-05-15info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://rbmv.org/BJVM/article/view/93710.29374/2527-2179.bjvm014117Brazilian Journal of Veterinary Medicine; Vol. 39 No. 3 (2017); 198-202Revista Brasileira de Medicina Veterinária; v. 39 n. 3 (2017); 198-2022527-21790100-2430reponame:Brazilian Journal of Veterinary Medicineinstname:Sociedade de Medicina Veterinária do Estado do Rio de Janeiro (SOMVERJ)instacron:SBMVporhttps://rbmv.org/BJVM/article/view/937/766Lopes, Natália LoresPeixoto, André de PaulaCosta, Thiago dos SantosPisani, Rafaela Bruno FariasMedeiros, Carolina Moraes Barbalho TrivisolRamadinha, Regina Helena RuckertMascarenhas, Mariana BezerraFernandes, Julio Israelinfo:eu-repo/semantics/openAccess2021-03-12T18:05:37Zoai:ojs.rbmv.org:article/937Revistahttps://rbmv.org/BJVMONGhttps://rbmv.org/BJVM/oaicontato.rbmv@gmail.com2527-21790100-2430opendoar:2021-03-12T18:05:37Brazilian Journal of Veterinary Medicine - Sociedade de Medicina Veterinária do Estado do Rio de Janeiro (SOMVERJ)false
dc.title.none.fl_str_mv Color dilution alopecia: case report
Alopecia por diluição da cor: relato de caso
title Color dilution alopecia: case report
spellingShingle Color dilution alopecia: case report
Lopes, Natália Lores
Cão, Alopecia, Displasia follicular
Dog, Alopecia, Follicular Dysplasia
title_short Color dilution alopecia: case report
title_full Color dilution alopecia: case report
title_fullStr Color dilution alopecia: case report
title_full_unstemmed Color dilution alopecia: case report
title_sort Color dilution alopecia: case report
author Lopes, Natália Lores
author_facet Lopes, Natália Lores
Peixoto, André de Paula
Costa, Thiago dos Santos
Pisani, Rafaela Bruno Farias
Medeiros, Carolina Moraes Barbalho Trivisol
Ramadinha, Regina Helena Ruckert
Mascarenhas, Mariana Bezerra
Fernandes, Julio Israel
author_role author
author2 Peixoto, André de Paula
Costa, Thiago dos Santos
Pisani, Rafaela Bruno Farias
Medeiros, Carolina Moraes Barbalho Trivisol
Ramadinha, Regina Helena Ruckert
Mascarenhas, Mariana Bezerra
Fernandes, Julio Israel
author2_role author
author
author
author
author
author
author
dc.contributor.author.fl_str_mv Lopes, Natália Lores
Peixoto, André de Paula
Costa, Thiago dos Santos
Pisani, Rafaela Bruno Farias
Medeiros, Carolina Moraes Barbalho Trivisol
Ramadinha, Regina Helena Ruckert
Mascarenhas, Mariana Bezerra
Fernandes, Julio Israel
dc.subject.por.fl_str_mv Cão, Alopecia, Displasia follicular
Dog, Alopecia, Follicular Dysplasia
topic Cão, Alopecia, Displasia follicular
Dog, Alopecia, Follicular Dysplasia
description Color dilution alopecia is characterized by follicular dysplasia that leads to alopecia characterized by an abnormal distribution of melanin in the hair. There are few reports of mixed breed dogs and the diagnosis can be reached based on trichogramma and confirmed by histopathological evaluation. The aim of this study was to report a case of Color dilution alopecia in a mixed breed dog treated at the Veterinary Hospital of the Federal Rural University of Rio de Janeiro that had generalized hypotrichosis. Trichogramma was performed and was observed the presence of melanin aggregates along the hair shafts. Histopathological evaluation showed the presence of atypical macromelanossomas and melanin plugs into follicular structures scattered throughout the superficial dermis and deep, mild acanthosis with hyperkeratosis and absence of many follicles. The changes observed were consistent with color diluted alopecia. It is concluded that in order to obtain the diagnosis of color diluted alopecia, clinical history is important as well as a well-done clinical and dermatological examination, with the exclusion of possible diagnoses and the skin histopathology, which is an important tool for diagnosis
publishDate 2018
dc.date.none.fl_str_mv 2018-05-15
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv https://rbmv.org/BJVM/article/view/937
10.29374/2527-2179.bjvm014117
url https://rbmv.org/BJVM/article/view/937
identifier_str_mv 10.29374/2527-2179.bjvm014117
dc.language.iso.fl_str_mv por
language por
dc.relation.none.fl_str_mv https://rbmv.org/BJVM/article/view/937/766
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Sociedade de Medicina Veterinária do Estado do Rio de Janeiro.
publisher.none.fl_str_mv Sociedade de Medicina Veterinária do Estado do Rio de Janeiro.
dc.source.none.fl_str_mv Brazilian Journal of Veterinary Medicine; Vol. 39 No. 3 (2017); 198-202
Revista Brasileira de Medicina Veterinária; v. 39 n. 3 (2017); 198-202
2527-2179
0100-2430
reponame:Brazilian Journal of Veterinary Medicine
instname:Sociedade de Medicina Veterinária do Estado do Rio de Janeiro (SOMVERJ)
instacron:SBMV
instname_str Sociedade de Medicina Veterinária do Estado do Rio de Janeiro (SOMVERJ)
instacron_str SBMV
institution SBMV
reponame_str Brazilian Journal of Veterinary Medicine
collection Brazilian Journal of Veterinary Medicine
repository.name.fl_str_mv Brazilian Journal of Veterinary Medicine - Sociedade de Medicina Veterinária do Estado do Rio de Janeiro (SOMVERJ)
repository.mail.fl_str_mv contato.rbmv@gmail.com
_version_ 1798313110169190400

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