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Malignant thymoma - the most common neoplasm in goats
O Szaluś-Jordanow1, M Czopowicz2, L Witkowski2
1Division of Infectious Diseases, Department of Small Animal Diseases with Clinic, Warsaw University of Life Sciences-SGGW, Nowoursynowska 159c, 02-776 Warsaw, Poland.
Polish Journal of Veterinary Sciences
|September 28, 2019
Summary
This study investigated thymoma prevalence in Polish goats, finding it in 0.5% of cases. Thymomas were identified as the most common malignancy in this species.
Area of Science:
- Veterinary Pathology
- Oncology
Background:
- Thymomas are neoplasms of the thymus gland.
- Previous literature reports variable prevalence of thymoma in goats (0.7–25%).
Observation:
- A 12-year study (2007–2018) at Warsaw Veterinary Faculty examined 399 goats via autopsy and 145 via chest ultrasound.
- Mediastinal tumors were identified in 2 goats during necropsy.
- Chest ultrasound revealed a thoracic mass in 1 additional goat, confirmed as a mediastinal tumor post-euthanasia.
Findings:
- Histopathology and immunohistochemistry (cytokeratin, p63, p40) confirmed thymoma in all three diagnosed cases.
- The overall prevalence of thymoma in the studied Polish goat population was 0.5% (95% CI: 0.1% to 1.8%).
- Thymomas were the most frequently diagnosed malignancy in goats within this study.
Implications:
- This research establishes a baseline prevalence for thymoma in Polish goats.
- Findings highlight the importance of considering thymoma in the differential diagnosis of mediastinal masses in goats.
- Further research may explore risk factors and clinical signs associated with goat thymoma.
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