Predisposing Factors for Pseudoplacentational Endometrial Hyperplasia or Cystic Endometrial Hyperplasia in Dogs and Their Association with Pyometra

Pseudoplacentational endometrial hyperplasia (PEH) and cystic endometrial hyperplasia (CEH) are both hyperplastic conditions that may occur in the canine uterus during diestrus. CEH can impair fertility, and, although the consequences of PEH are poorly known, this condition is significantly associat...

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Main Authors: Clarissa Helena Santana, Monique Ferreira Souza, Laice Alves da Silva, Lucas dos Reis de Souza, André Marcos Santana, Ayisa Rodrigues Oliveira, Tatiane Alves da Paixão, Renato Lima Santos
Format: Article
Language:English
Published: MDPI AG 2024-12-01
Series:Veterinary Sciences
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Online Access:https://www.mdpi.com/2306-7381/12/1/1
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author Clarissa Helena Santana
Monique Ferreira Souza
Laice Alves da Silva
Lucas dos Reis de Souza
André Marcos Santana
Ayisa Rodrigues Oliveira
Tatiane Alves da Paixão
Renato Lima Santos
author_facet Clarissa Helena Santana
Monique Ferreira Souza
Laice Alves da Silva
Lucas dos Reis de Souza
André Marcos Santana
Ayisa Rodrigues Oliveira
Tatiane Alves da Paixão
Renato Lima Santos
author_sort Clarissa Helena Santana
collection DOAJ
description Pseudoplacentational endometrial hyperplasia (PEH) and cystic endometrial hyperplasia (CEH) are both hyperplastic conditions that may occur in the canine uterus during diestrus. CEH can impair fertility, and, although the consequences of PEH are poorly known, this condition is significantly associated with pyometra. The aim of this study was to investigate frequencies of both PEH and CEH in female dogs according to age, size, breed, and breed group. Uteri from 300 female dogs were sampled and processed for histopathologic analyses. Lesions were identified, and frequencies were statistically compared. PEH was significantly more frequent in dogs between 4 and 12 years of age and significantly less frequent in Yorkshires than Shih-tzus, as well as in the breed group that includes Brazilian Terriers and Yorkshires. CEH was significantly more frequent in dogs older than 12 years, but no breed predisposition was observed. The frequency of PEH was significantly higher than that of CEH. The frequency of pyometra in PEH cases was significantly higher than endometritis or uterus without inflammation. This study identified age, breed group, and size as predisposing factors for PEH and further demonstrated the association between this condition and pyometra in dogs.
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institution Kabale University
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publishDate 2024-12-01
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series Veterinary Sciences
spelling doaj-art-a9e6aebbc4ea470c89d2e49a9eb02e352025-01-24T13:51:56ZengMDPI AGVeterinary Sciences2306-73812024-12-01121110.3390/vetsci12010001Predisposing Factors for Pseudoplacentational Endometrial Hyperplasia or Cystic Endometrial Hyperplasia in Dogs and Their Association with PyometraClarissa Helena Santana0Monique Ferreira Souza1Laice Alves da Silva2Lucas dos Reis de Souza3André Marcos Santana4Ayisa Rodrigues Oliveira5Tatiane Alves da Paixão6Renato Lima Santos7Departamento de Clínica e Cirurgia Veterinária, Escola de Veterinária, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, MG, BrazilDepartamento de Clínica e Cirurgia Veterinária, Escola de Veterinária, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, MG, BrazilDepartamento de Clínica e Cirurgia Veterinária, Escola de Veterinária, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, MG, BrazilDepartamento de Clínica e Cirurgia Veterinária, Escola de Veterinária, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, MG, BrazilDepartamento de Medicina Veterinária, Campus Regional de Umuarama, Universidade Estadual de Maringá, Umuarama 87506-370, PR, BrazilDepartamento de Clínica e Cirurgia Veterinária, Escola de Veterinária, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, MG, BrazilDepartamento de Patologia Geral, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, MG, BrazilDepartamento de Clínica e Cirurgia Veterinária, Escola de Veterinária, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, MG, BrazilPseudoplacentational endometrial hyperplasia (PEH) and cystic endometrial hyperplasia (CEH) are both hyperplastic conditions that may occur in the canine uterus during diestrus. CEH can impair fertility, and, although the consequences of PEH are poorly known, this condition is significantly associated with pyometra. The aim of this study was to investigate frequencies of both PEH and CEH in female dogs according to age, size, breed, and breed group. Uteri from 300 female dogs were sampled and processed for histopathologic analyses. Lesions were identified, and frequencies were statistically compared. PEH was significantly more frequent in dogs between 4 and 12 years of age and significantly less frequent in Yorkshires than Shih-tzus, as well as in the breed group that includes Brazilian Terriers and Yorkshires. CEH was significantly more frequent in dogs older than 12 years, but no breed predisposition was observed. The frequency of PEH was significantly higher than that of CEH. The frequency of pyometra in PEH cases was significantly higher than endometritis or uterus without inflammation. This study identified age, breed group, and size as predisposing factors for PEH and further demonstrated the association between this condition and pyometra in dogs.https://www.mdpi.com/2306-7381/12/1/1reproductive pathologyuterine lesionsinflammationendometritis
spellingShingle Clarissa Helena Santana
Monique Ferreira Souza
Laice Alves da Silva
Lucas dos Reis de Souza
André Marcos Santana
Ayisa Rodrigues Oliveira
Tatiane Alves da Paixão
Renato Lima Santos
Predisposing Factors for Pseudoplacentational Endometrial Hyperplasia or Cystic Endometrial Hyperplasia in Dogs and Their Association with Pyometra
Veterinary Sciences
reproductive pathology
uterine lesions
inflammation
endometritis
title Predisposing Factors for Pseudoplacentational Endometrial Hyperplasia or Cystic Endometrial Hyperplasia in Dogs and Their Association with Pyometra
title_full Predisposing Factors for Pseudoplacentational Endometrial Hyperplasia or Cystic Endometrial Hyperplasia in Dogs and Their Association with Pyometra
title_fullStr Predisposing Factors for Pseudoplacentational Endometrial Hyperplasia or Cystic Endometrial Hyperplasia in Dogs and Their Association with Pyometra
title_full_unstemmed Predisposing Factors for Pseudoplacentational Endometrial Hyperplasia or Cystic Endometrial Hyperplasia in Dogs and Their Association with Pyometra
title_short Predisposing Factors for Pseudoplacentational Endometrial Hyperplasia or Cystic Endometrial Hyperplasia in Dogs and Their Association with Pyometra
title_sort predisposing factors for pseudoplacentational endometrial hyperplasia or cystic endometrial hyperplasia in dogs and their association with pyometra
topic reproductive pathology
uterine lesions
inflammation
endometritis
url https://www.mdpi.com/2306-7381/12/1/1
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