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What is the life expectancy of a dog with thyroid carcinoma? When diagnosed and treated early, the prognosis is good to excellent. Depending on the type of treatments used, life expectancy can...
What is the life expectancy of a dog with thyroid cancer? Depending on the type of treatments used, life expectancy can range from six months to two years. References
Thyroidectomy is the preferred treatment for small and localised thyroid tumours in dogs, while fractionated definitive-intent radiotherapy protocols should be considered for tumours that are not amenable to surgical excision ... Thyroid cancer in dogs: an update based on 638 cases (1995-2005). Journal of the American Animal Hospital ...
Thyroid Tumors in Dogs: Life Expectancy, Survival, & Prognosis. Surgical removal of thyroid tumors has the best outcome if the mass is freely movable, less than 4cm in size, has not spread and can therefore be completely removed. Long-term survival (1 to 3 years) may be achieved in both dogs. It is common for medications to be needed after surgery.
The long-term prognosis for dogs with thyroid tumors varies depending on whether the tumor tissue can be removed surgically, with survival times of 3 or more years reported. In dogs that are not good surgical candidates, the survival times can be less, somewhere in the range of 1-3 years.
Dogs with thyroid cancer that are caught early can live for three years with a good quality of life. Dogs with aggressive forms of thyroid cancer may have spread and significant symptoms of the cancer within six to twelve months.
The dog’s thyroid hormone level is checked as well. Treatment Options And Prognosis: The best treatment for thyroid carcinoma is surgery. With complete removal, the prognosis can be more than 3 years and some dogs are cured. You may need to give your dog thyroid replacement medicine after surgery.
Another study that included 13 dogs with invasive thyroid carcinoma showed a median survival time of 96 weeks. Four dogs died of metastatic disease and four from progression of disease. It is concluded that radiation therapy is a better treatment modality than chemotherapy alone.
Long-term survival (1 to 3 years) may be achieved in dogs, depending on histologic features observed by the pathologist and early diagnosis prior to local invasion or metastatic (spreading) disease. Patients treated with surgery and follow-up I-131 treatment have an average survival of 34 months.
Untreated, dogs with malignant thyroid tumors have reported an average survival time of 3 months. Dogs with small, unilateral thyroid tumors are often treated effectively with surgery with reported median survival times of over 3 years.