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Osteosarcoma in Cats: Welfare and Palliative Care

Feline osteosarcoma differs significantly from the canine form. This guide covers welfare-centred management and palliative care options.

Key Facts

Feline osteosarcoma is less common and often less aggressive than in dogs
Appendicular (limb) osteosarcoma in cats has a better prognosis than in dogs
Axial osteosarcoma (skull, spine) has a poorer prognosis
Amputation is the primary treatment for appendicular tumours
Cats adapt remarkably well to three-legged (tripod) life after amputation
Pain management is the priority in both surgical and palliative approaches

Welfare Considerations and Management

Welfare-centred feline osteosarcoma management begins with accurate diagnosis and staging. Appendicular tumours are best managed by amputation, which is curative in a significant proportion of cats (metastatic rate lower than dogs). Cats adapt well to tripod life with minimal quality of life impact. Palliative radiation therapy can reduce pain in non-resectable cases. NSAIDs, opioids, and adjunct analgesics provide pain management. Regular quality of life assessment guides ongoing decisions.

What You Can Do

Discuss amputation positively — cats adapt very well to three-legged life
Prioritise pain management throughout treatment and palliation
Regular quality of life assessment guides treatment decisions and timing of euthanasia
Staging with chest radiographs helps determine metastatic disease before surgery