Primary Uterine Hemangiosarcoma in a Thoroughbred: A Case Report.
Lorenzo G T M Segabinazzi1, Emanuel V P Apolonio2, Eriky A Tongu2
1Department of Veterinary Surgery and Animal Reproduction, School of Veterinary Medicine and Animal Science, FMVZ, Universidade Estadual Paulista "Júlio de Mesquita Filho", UNESP, Botucatu, Brazil; Department of Clinical Sciences, Ross University School of Veterinary Medicine, Basseterre, St. Kitts, West Indies.
Journal of Equine Veterinary Science
|October 21, 2021
Summary
This study reports the first equine case of uterine hemangiosarcoma in a young Thoroughbred mare. The rare tumor caused severe pain and discharge, leading to diagnosis and treatment but ultimately postoperative complications.
Area of Science:
- Veterinary Medicine
- Oncology
- Reproductive Pathology
Background:
- Uterine tumors are uncommon in equine species.
- Hemangiosarcoma is a rare vascular tumor typically affecting spleen and liver in dogs.
Observation:
- A 1.8-year-old Thoroughbred filly presented with vaginal discharge and abdominal pain.
- Ultrasonography revealed a large cervical uterine mass with surrounding smaller masses.
- The mare spontaneously expelled a uterine mass, which was analyzed.
Findings:
- Histological and immunohistochemical examinations confirmed uterine hemangiosarcoma.
- Therapeutic hysterectomy was performed, but the mare experienced postoperative complications.
- Necropsy revealed intestinal adhesions as the cause of death, with no other neoplastic lesions found.
Implications:
- This case represents the first documented instance of uterine hemangiosarcoma in an equine.
- Highlights the importance of considering rare tumor types in equine reproductive pathology.
- Underscores the potential for severe complications following major abdominal surgery in horses.
