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Vertebral plasma cell tumors in 8 dogs
C Rusbridge1, S J Wheeler, C R Lamb
1Department of Small Animal Medicine and Surgery, Royal Veterinary College, University of London, North Mymms, Hertfordshire, UK. C.Rusbridge@btinternet.com
Journal of Veterinary Internal Medicine
|May 4, 1999
Summary
This study reviews 8 dogs with spinal plasma cell tumors. Solitary spinal plasmacytomas and multiple myeloma showed varied treatment responses and prognoses in canine patients.
Area of Science:
- Veterinary Neurology
- Veterinary Oncology
Background:
- Plasma cell tumors can affect the spine in dogs, leading to pain and neurological issues.
- Distinguishing between solitary vertebral plasmacytoma and multiple myeloma is crucial for treatment planning.
Observation:
- Eight canine cases with spinal plasma cell tumors were analyzed.
- Four dogs had solitary plasmacytoma, three had multiple myeloma, and one had two vertebral lesions without disseminated disease.
- Treatment outcomes varied: chemotherapy alone for multiple myeloma resulted in survival times of 17 and 26 months.
Findings:
- Two dogs with solitary spinal plasmacytomas received chemotherapy and radiotherapy.
- One dog survived 65 months before developing multiple myeloma; another survived 4 months and was euthanized due to radiation myelopathy.
- The diagnostic challenges differentiating solitary vertebral plasmacytoma from multiple myeloma are highlighted.
Implications:
- This review provides insights into the clinical presentation and treatment outcomes of vertebral plasma cell tumors in dogs.
- Understanding these distinctions can guide therapeutic strategies and improve prognostic accuracy for canine spinal tumors.
- Further research is needed to optimize treatment protocols for solitary plasmacytomas and multiple myeloma affecting the canine spine.