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Haemangiopericytoma in a calf
Y Mitarai1, Y Ishikawa, K Kadota
1Oita Livestock Hygiene Service Centre, Oita Prefecture, Onotsuru, Japan.
Research in Veterinary Science
|January 23, 1999
Summary
Subcutaneous tumors in a Japanese Black calf were surgically removed after castration. Immunohistochemical analysis revealed these tumors originated from pericytes, with no recurrence observed.
Area of Science:
- Veterinary Pathology
- Surgical Oncology
- Animal Neoplasms
Background:
- Post-castration complications in livestock can include tumor development.
- Japanese Black cattle are a significant breed in beef production.
- Understanding tumor origins is crucial for diagnosis and treatment.
Observation:
- A Japanese Black male calf presented with subcutaneous tumors near the scrotum following castration.
- Tumors exhibited neoplastic cells arranged concentrically around blood vessels.
- Cells contained abundant cytofilaments and expressed smooth muscle actin.
Findings:
- Immunohistochemical and ultrastructural analyses indicated pericyte origin for the tumors.
- Absence of focal densities was noted in the neoplastic cells.
- No tumor recurrence was observed two years post-excision.
Implications:
- This case highlights a rare neoplastic condition in cattle.
- Pericyte-derived tumors require further investigation in veterinary oncology.
- Accurate diagnosis aids in predicting prognosis and managing similar cases.