Thyroidectomy in dogs with thyroid tumors: Survival analysis in 144 cases

Chronic, progressive thoracolumbar (TL) myelopathies are common neurological problems in pug dogs, and multiple abnormalities have been described affecting the TL spinal cord and vertebral column in this breed.

Researchers evaluated 144 client-owned dogs with thyroid neoplasia that underwent thyroidectomy to evaluate the length of survival.

Results:

Overall median survival time was 802 days.

89 dogs (77.4%) survived >500 days

Metastases were identified at admission in 12 (8.3%) dogs and were associated with higher thyroid cancer-related fatality.

Thrombosis occurred in 40 dogs and was associated with increased risk of death

Nonfollicular carcinoma and administration of chemotherapy were associated with higher risk of thyroid cancer-related death.

Results indicate that dogs with thyroid tumors undergoing thyroidectomy have a long life expectancy and despite the rare presence of nonfollicular carcinoma and metastases, thyroidectomy should still be considered..

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Thyroidectomy in dogs with thyroid tumors: Survival analysis in 144 cases (1994-2018)