Osteosarcoma is one of the most frequently diagnosed conditions in the breed within the Mastiff. Common indicators include progressive limb lameness, swelling over bone, and bone pain. Osteosarcoma is the most common primary bone tumour in dogs, occurring predominantly in the long bones of large and giant breeds. It is locally aggressive and metastasises early, primarily to the lungs. Prognosis remains guarded despite treatment. It typically becomes apparent at 7-10 years. The giant frame of the Mastiff can accelerate progression in weight-bearing conditions, making early diagnosis particularly valuable. Treatment costs are estimated at £6,000-£15,000, making comprehensive pet insurance a practical consideration.
If your Mastiff is showing any of these signs, consult your veterinarian promptly.
Limb amputation combined with chemotherapy (carboplatin or doxorubicin) gives median survival of 10-12 months. Limb-sparing surgery is possible in some cases. Palliative radiation and pain management are alternatives.
Estimated Treatment Cost
£6,000-£15,000
Costs vary by severity, location, and treatment path. Pet insurance is strongly recommended.
A diet formulation designed to support Mastiffs managing Osteosarcoma. Formulated with high-quality protein and easily digestible ingredients.
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Mastiffs with Osteosarcoma benefit from consistent supplementation. This vet-formulated blend supports overall wellbeing and may complement prescribed treatment.
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Prevalence and severity can vary significantly between breeds.