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Intracranial lymphosarcoma in a Holstein bull
Journal of the American Veterinary Medical Association
|September 1, 1986
Summary
A 2-year-old Holstein bull presented with neurological signs and decreased appetite. Necropsy confirmed intracranial lymphosarcoma, a rare brain tumor in cattle.
Area of Science:
- Veterinary Neurology
- Veterinary Oncology
- Comparative Pathology
Background:
- Lymphosarcoma, a malignant neoplastic proliferation of lymphocytes, can affect various organ systems in cattle.
- Intracranial involvement is less common but can lead to significant neurological deficits.
Observation:
- A 2-year-old Holstein bull exhibited anorexia, head tilt, circling, head pressing, and facial hypesthesia.
- Clinical signs indicated dysfunction of the parasympathetic component of the oculomotor nerve (cranial nerve III).
Findings:
- Postmortem examination (necropsy) revealed the presence of intracranial lymphosarcoma.
- The tumor's location and extent correlated with the observed neurological deficits.
Implications:
- This case highlights the importance of considering intracranial lymphosarcoma in cattle presenting with neurological signs.
- Accurate diagnosis is crucial for understanding disease progression and potential outcomes in affected animals.