Luteoma in two mares treated by ovariectomy
Luteoma in two mares treated by ovariectomy
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Date
2022
Authors
Combs, Elena
Troy, Jarrod
Olds-Sanchez, Ashleigh
Howard, Joan M.
Fales-Williams, Amanda
Yaeger, Michael
Tatarniuk, Dane M.
Troy, Jarrod
Olds-Sanchez, Ashleigh
Howard, Joan M.
Fales-Williams, Amanda
Yaeger, Michael
Tatarniuk, Dane M.
Major Professor
Advisor
Committee Member
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Volume Title
Publisher
John Wiley & Sons Ltd
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Veterinary Clinical Sciences
Organizational Unit
Veterinary Diagnostic and Production Animal Medicine
Organizational Unit
Veterinary Pathology
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Veterinary Clinical SciencesVeterinary Diagnostic and Production Animal MedicineVeterinary Pathology
Abstract
A 15-year-old Paint mare (Case 1) and a 15-year-old Arabian mare (Case 2) were presented for aggressive and undesired behaviour. Reproductive evaluation revealed, initially, an enlarged ovary with a smaller/normal sized contralateral ovary in each case. Granulosa cell tumour (GCT) panel testing revealed elevated inhibin B in both cases and elevated anti-Mullerian hormone (AMH) levels only in Case 1 determined from currently established reference ranges. Based on a presumptive diagnosis of GCT, bilateral standing ovariectomy was elected for both mares. In each case neoplastic tissue consistent with luteoma was detected only on histological examination in the smaller/normal sized left ovary; the right ovary appearing normal. Long-term follow-up was performed 1 year and 5 years post-operatively by telephone. The owners were satisfied with the outcome and each patient demonstrated resolution of aggressive stallion-like behaviour. Each case returned to the owners' intended use. In conclusion, luteoma should be considered as a differential diagnosis for ovarian neoplasms in horses related to behavioural abnormalities, even in normal-sized ovaries.
Comments
This is the published version of the following article: Combs, E., T. Beachler, J. R. Troy, A. Olds‐Sanchez, J. M. Howard, A. Fales‐Williams, M. Yaeger, and D. M. Tatarniuk. "Luteoma in two mares treated by ovariectomy." Equine Veterinary Education (2021). DOI: 10.1111/eve.13582. Copyright 2021 The Authors. Attribution-NonCommercial 4.0 International (CC BY-NC 4.0). Posted with permission.
Description
Keywords
Horse,
Luteoma,
Ovarian,
Neoplasm,
Ovariectomy