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Primary rib tumors in 54 dogs
Journal of the American Animal Hospital Association
|January 1, 1995
Summary
Adjuvant chemotherapy significantly improved outcomes for dogs with rib osteosarcoma. Chondrosarcoma offered a better prognosis compared to other primary rib tumors in canine patients.
Area of Science:
- Veterinary Oncology
- Comparative Pathology
- Surgical Oncology
Background:
- Primary rib tumors are uncommon in dogs.
- Osteosarcoma is the most frequent primary rib tumor.
- Surgical excision is a primary treatment modality.
Purpose of the Study:
- To evaluate the outcomes of dogs with primary rib tumors.
- To compare the prognosis of different tumor types.
- To assess the impact of adjuvant chemotherapy on osteosarcoma outcomes.
Main Methods:
- Retrospective evaluation of 54 dogs with primary rib tumors.
- Tumor types included osteosarcoma, chondrosarcoma, hemangiosarcoma, and fibrosarcoma.
- Surgical en bloc excision was performed in 49 dogs, with 9 receiving adjuvant chemotherapy.
Main Results:
- Osteosarcoma dogs receiving chemotherapy had longer disease-free intervals (225 vs. 60 days) and survival times (240 vs. 90 days) compared to surgery alone.
- Chondrosarcoma demonstrated a superior prognosis with a median disease-free interval and survival of 1,080 days.
- Factors like age, weight, sex, tumor volume, or cisplatin dose did not affect outcomes.
Conclusions:
- En bloc excision is a viable treatment for primary rib tumors.
- Adjuvant chemotherapy improves survival for canine rib osteosarcoma.
- Chondrosarcoma has a significantly better prognosis than other primary rib tumors.