Idiopathic seasonal alopecia in horse: case report

ABSTRACT This report describes the first case of idiopathic seasonal alopecia in a horse in Brazil. The disease is of unknown etiology, characterized by alopecic processes in the thoracic and lateral abdominal regions, in a bilaterally symmetrical way. An eight-year-old male grade horse was treated...

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Main Authors: A.F. Souza, J. Schade, M.S. Casa, S.D. Traverso, J.H. Fonteque
Format: Article
Language:English
Published: Universidade Federal de Minas Gerais 2020-05-01
Series:Arquivo Brasileiro de Medicina Veterinária e Zootecnia
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352020000200431&tlng=en
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author A.F. Souza
J. Schade
M.S. Casa
S.D. Traverso
J.H. Fonteque
author_facet A.F. Souza
J. Schade
M.S. Casa
S.D. Traverso
J.H. Fonteque
author_sort A.F. Souza
collection DOAJ
description ABSTRACT This report describes the first case of idiopathic seasonal alopecia in a horse in Brazil. The disease is of unknown etiology, characterized by alopecic processes in the thoracic and lateral abdominal regions, in a bilaterally symmetrical way. An eight-year-old male grade horse was treated presenting hair loss in a bilaterally symmetrical manner in the arm and abdomen areas, without any other associated clinical signs. The areas with alopecia showed no pruritus, inflammation or scaling. On the epidermis, the histological evaluation presented irregular hyperplasia, hyperpigmentation, compact orthokeratosis, edema and an inflammatory infiltrate. The hair follicles were active and containing hair shaft. The case was monitored with photographic records for two consecutive years (2012 to 2014), in which the hair fall occurred at the end of autumn with spontaneous hair growth in the middle of the summer. The diagnosis was based on the history, histopathology and photographic follow-up performed. Although mentioned in the literature, this is the first clinical and pathological description of such disorder affecting an equine in Brazil.
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spelling doaj.art-9087ddc2eb5147e7b7de646cc922a1a02022-12-21T21:34:15ZengUniversidade Federal de Minas GeraisArquivo Brasileiro de Medicina Veterinária e Zootecnia1678-41622020-05-0172243143610.1590/1678-4162-11423Idiopathic seasonal alopecia in horse: case reportA.F. Souzahttps://orcid.org/0000-0001-8066-4787J. Schadehttps://orcid.org/0000-0002-2267-2946M.S. Casahttps://orcid.org/0000-0003-1946-5011S.D. Traversohttps://orcid.org/0000-0003-0789-1021J.H. Fontequehttps://orcid.org/0000-0003-1194-6048ABSTRACT This report describes the first case of idiopathic seasonal alopecia in a horse in Brazil. The disease is of unknown etiology, characterized by alopecic processes in the thoracic and lateral abdominal regions, in a bilaterally symmetrical way. An eight-year-old male grade horse was treated presenting hair loss in a bilaterally symmetrical manner in the arm and abdomen areas, without any other associated clinical signs. The areas with alopecia showed no pruritus, inflammation or scaling. On the epidermis, the histological evaluation presented irregular hyperplasia, hyperpigmentation, compact orthokeratosis, edema and an inflammatory infiltrate. The hair follicles were active and containing hair shaft. The case was monitored with photographic records for two consecutive years (2012 to 2014), in which the hair fall occurred at the end of autumn with spontaneous hair growth in the middle of the summer. The diagnosis was based on the history, histopathology and photographic follow-up performed. Although mentioned in the literature, this is the first clinical and pathological description of such disorder affecting an equine in Brazil.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352020000200431&tlng=enhorseseasonal flank alopeciahistopathology
spellingShingle A.F. Souza
J. Schade
M.S. Casa
S.D. Traverso
J.H. Fonteque
Idiopathic seasonal alopecia in horse: case report
Arquivo Brasileiro de Medicina Veterinária e Zootecnia
horse
seasonal flank alopecia
histopathology
title Idiopathic seasonal alopecia in horse: case report
title_full Idiopathic seasonal alopecia in horse: case report
title_fullStr Idiopathic seasonal alopecia in horse: case report
title_full_unstemmed Idiopathic seasonal alopecia in horse: case report
title_short Idiopathic seasonal alopecia in horse: case report
title_sort idiopathic seasonal alopecia in horse case report
topic horse
seasonal flank alopecia
histopathology
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352020000200431&tlng=en
work_keys_str_mv AT afsouza idiopathicseasonalalopeciainhorsecasereport
AT jschade idiopathicseasonalalopeciainhorsecasereport
AT mscasa idiopathicseasonalalopeciainhorsecasereport
AT sdtraverso idiopathicseasonalalopeciainhorsecasereport
AT jhfonteque idiopathicseasonalalopeciainhorsecasereport