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Intracranial lesions in dogs with hemangiosarcoma
D J Waters1, D W Hayden, P A Walter
1Department of Small Animal Clinical Sciences, College of Veterinary Medicine, University of Minnesota, St. Paul 55108.
Journal of Veterinary Internal Medicine
|October 1, 1989
Summary
Brain metastases occurred in 14.2% of dogs with hemangiosarcoma (HSA). Pulmonary metastases increased the risk of brain metastases, which often affected the cerebrum and gray matter.
Area of Science:
- Veterinary Pathology
- Canine Oncology
Background:
- Hemangiosarcoma (HSA) is a common cancer in dogs.
- Intracranial involvement in HSA is not well-characterized.
Purpose of the Study:
- To determine the prevalence and patterns of central nervous system involvement in dogs with hemangiosarcoma.
- To identify risk factors for brain metastases in canine HSA.
Main Methods:
- Retrospective analysis of 85 dogs with hemangiosarcoma.
- Complete necropsy including gross brain examination.
- Statistical analysis of clinical and pathological data.
Main Results:
- Brain metastases were found in 14.2% of dogs.
- Metastases predominantly affected the cerebrum and gray matter.
- Pulmonary metastases significantly increased the risk of brain metastases (OR=8.31).
- HSA dogs with brain metastases had more disseminated disease.
Conclusions:
- Brain metastases are a significant complication of canine hemangiosarcoma.
- Pulmonary status is a key indicator for brain metastasis risk.
- Further research is needed to evaluate diagnostic imaging for predicting brain metastases.