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Caprine genital leiomyosarcoma.
K M Whitney1, B A Valentine, D H Schlafer
1Department of Biomedical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853-6401, USA.
Veterinary Pathology
|January 22, 2000
Summary
A rare cancer, genital leiomyosarcoma, was diagnosed in two Saanen goats. This study highlights a higher incidence of this vulvar tumor in the Saanen breed.
Area of Science:
- Veterinary Pathology
- Comparative Oncology
Background:
- Genital leiomyosarcoma is a rare tumor affecting the reproductive tract.
- Understanding its incidence and presentation in different breeds is crucial for diagnosis and management.
Observation:
- Two Saanen does presented with severe vulvar hemorrhage due to large genital masses.
- Necropsy revealed thickened genitalia with intralumenal masses and effaced cervical architecture.
Findings:
- Histopathology confirmed low-grade leiomyosarcoma, characterized by spindle cells positive for muscle-specific actin.
- A retrospective analysis identified five additional cases, indicating a higher incidence in the Saanen breed over 20 years.
Implications:
- This study identifies a breed predisposition for caprine genital leiomyosarcoma in Saanen goats.
- Increased awareness may improve early detection and diagnosis of this vulvar tumor in affected goats.