Behavioral Disorders in Mares with Ovarian Disorders, Outcome after Laparoscopic Ovariectomy: A Case Series

Owner complaints of estrus-related behavior in mares are a common cause of referral for laparoscopic ovariectomy. Granulosa cell tumors are a common neoplastic condition affecting the equine ovary, causing behavioral changes at rest and reduced performance. The reported success rate of ovariectomy i...

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Main Authors: Paola Straticò, Jasmine Hattab, Giulia Guerri, Augusto Carluccio, Lorenza Bandera, Gianluca Celani, Giuseppe Marruchella, Vincenzo Varasano, Lucio Petrizzi
Format: Article
Language:English
Published: MDPI AG 2023-07-01
Series:Veterinary Sciences
Subjects:
Online Access:https://www.mdpi.com/2306-7381/10/8/483
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author Paola Straticò
Jasmine Hattab
Giulia Guerri
Augusto Carluccio
Lorenza Bandera
Gianluca Celani
Giuseppe Marruchella
Vincenzo Varasano
Lucio Petrizzi
author_facet Paola Straticò
Jasmine Hattab
Giulia Guerri
Augusto Carluccio
Lorenza Bandera
Gianluca Celani
Giuseppe Marruchella
Vincenzo Varasano
Lucio Petrizzi
author_sort Paola Straticò
collection DOAJ
description Owner complaints of estrus-related behavior in mares are a common cause of referral for laparoscopic ovariectomy. Granulosa cell tumors are a common neoplastic condition affecting the equine ovary, causing behavioral changes at rest and reduced performance. The reported success rate of ovariectomy in treating behavioral disorders is 64–86%. The aim of this study was to retrospectively evaluate the long-term follow-up of laparoscopic ovariectomy in mares in our case series, focusing on the owner’s perspective of the behavior of the mares after surgery. In addition, the histopathological features of the removed ovaries were investigated. The clinical records of mares that underwent laparoscopic ovariectomy between 2015 and 2022 were retrospectively reviewed. Owners complaining of poor behavior were interviewed about the main behavioral problem leading to referral and its eventual resolution after surgery. Eleven mares were included. The most common complaints were increased sensitivity on both flanks (10/11, 91%) and general riding problems (9/11, 82%). In 5/11 cases (45%), both ovaries were removed by laparoscopic ovariectomy. Histopathologic findings consistent with GCT/GTCT were found in five out of six examined ovaries (five granulosa theca cell tumors, GTCT). According to owner interviews, the scores assigned to each behavior improved significantly after surgery, regardless of histological findings. Although many factors can influence the behavior of horses, granulosa cell tumors (GCTs) proved to be a common cause and, as reported by the owners, ovariectomy resulted in improvement or complete resolution of the abnormal behavior.
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spelling doaj.art-db05aae12ffd44c384f0a32e68a1c3322023-11-19T03:18:34ZengMDPI AGVeterinary Sciences2306-73812023-07-0110848310.3390/vetsci10080483Behavioral Disorders in Mares with Ovarian Disorders, Outcome after Laparoscopic Ovariectomy: A Case SeriesPaola Straticò0Jasmine Hattab1Giulia Guerri2Augusto Carluccio3Lorenza Bandera4Gianluca Celani5Giuseppe Marruchella6Vincenzo Varasano7Lucio Petrizzi8Department of Veterinary Medicine, University of Teramo, 64100 Teramo, ItalyDepartment of Veterinary Medicine, University of Teramo, 64100 Teramo, ItalyDepartment of Veterinary Medicine, University of Teramo, 64100 Teramo, ItalyDepartment of Veterinary Medicine, University of Teramo, 64100 Teramo, ItalyDepartment of Veterinary Medicine, University of Teramo, 64100 Teramo, ItalyDepartment of Veterinary Medicine, University of Teramo, 64100 Teramo, ItalyDepartment of Veterinary Medicine, University of Teramo, 64100 Teramo, ItalyDepartment of Veterinary Medicine, University of Teramo, 64100 Teramo, ItalyDepartment of Veterinary Medicine, University of Teramo, 64100 Teramo, ItalyOwner complaints of estrus-related behavior in mares are a common cause of referral for laparoscopic ovariectomy. Granulosa cell tumors are a common neoplastic condition affecting the equine ovary, causing behavioral changes at rest and reduced performance. The reported success rate of ovariectomy in treating behavioral disorders is 64–86%. The aim of this study was to retrospectively evaluate the long-term follow-up of laparoscopic ovariectomy in mares in our case series, focusing on the owner’s perspective of the behavior of the mares after surgery. In addition, the histopathological features of the removed ovaries were investigated. The clinical records of mares that underwent laparoscopic ovariectomy between 2015 and 2022 were retrospectively reviewed. Owners complaining of poor behavior were interviewed about the main behavioral problem leading to referral and its eventual resolution after surgery. Eleven mares were included. The most common complaints were increased sensitivity on both flanks (10/11, 91%) and general riding problems (9/11, 82%). In 5/11 cases (45%), both ovaries were removed by laparoscopic ovariectomy. Histopathologic findings consistent with GCT/GTCT were found in five out of six examined ovaries (five granulosa theca cell tumors, GTCT). According to owner interviews, the scores assigned to each behavior improved significantly after surgery, regardless of histological findings. Although many factors can influence the behavior of horses, granulosa cell tumors (GCTs) proved to be a common cause and, as reported by the owners, ovariectomy resulted in improvement or complete resolution of the abnormal behavior.https://www.mdpi.com/2306-7381/10/8/483behaviorestrusgranulosa cell tumorovariectomyequine
spellingShingle Paola Straticò
Jasmine Hattab
Giulia Guerri
Augusto Carluccio
Lorenza Bandera
Gianluca Celani
Giuseppe Marruchella
Vincenzo Varasano
Lucio Petrizzi
Behavioral Disorders in Mares with Ovarian Disorders, Outcome after Laparoscopic Ovariectomy: A Case Series
Veterinary Sciences
behavior
estrus
granulosa cell tumor
ovariectomy
equine
title Behavioral Disorders in Mares with Ovarian Disorders, Outcome after Laparoscopic Ovariectomy: A Case Series
title_full Behavioral Disorders in Mares with Ovarian Disorders, Outcome after Laparoscopic Ovariectomy: A Case Series
title_fullStr Behavioral Disorders in Mares with Ovarian Disorders, Outcome after Laparoscopic Ovariectomy: A Case Series
title_full_unstemmed Behavioral Disorders in Mares with Ovarian Disorders, Outcome after Laparoscopic Ovariectomy: A Case Series
title_short Behavioral Disorders in Mares with Ovarian Disorders, Outcome after Laparoscopic Ovariectomy: A Case Series
title_sort behavioral disorders in mares with ovarian disorders outcome after laparoscopic ovariectomy a case series
topic behavior
estrus
granulosa cell tumor
ovariectomy
equine
url https://www.mdpi.com/2306-7381/10/8/483
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