Peer-reviewed veterinary case report
Signs and survival of dogs with thyroid tumors
By Scharf, V F et al.·Published in The Journal of small animal practice·2020·College of Veterinary Medicine, United States·View original on PubMed →
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Original publication title: Clinical features and outcome of functional thyroid tumours in 70 dogs.
- Species:
- dog
Plain-English summary
A group of 70 dogs with thyroid tumors and hyperthyroidism (an overactive thyroid) were studied to understand their symptoms and outcomes. Dogs that had surgery to remove the tumor lived much longer, with an average survival of about 6 years, compared to just over 1 year for those that didn't have surgery. However, many of the dogs that underwent surgery developed hypothyroidism (an underactive thyroid) afterward. Overall, while surgical treatment can lead to a longer life, pet owners should be aware of the potential for thyroid issues after the procedure.
People also search for: dog thyroid tumor treatment · hyperthyroidism in dogs · dog surgery hypothyroidism symptoms
Abstract
OBJECTIVE: To describe the clinical features and outcome of functional thyroid tumours in dogs. MATERIALS AND METHODS: Retrospective multi-institutional study of 70 dogs diagnosed with thyroid mass and concurrent hyperthyroidism. Clinical data regarding presentation, treatment, outcome and functional thyroid status were retrieved. RESULTS: Overall median survival of dogs with functional thyroid tumours was 35.1 months and 1- and 3-year survival rates were 83 and 49%, respectively. Median survival time was 72.6 months for dogs treated with surgical excision and 15.7 months for dogs that did not receive surgery. Of the 50 dogs treated by surgery and for which thyroid status was known following treatment, 64% developed hypothyroidism after surgery. Histopathologically confirmed metastasis was identified in 3% of dogs. CLINICAL SIGNIFICANCE: Dogs with functional thyroid tumours may survive a long time after surgical excision, although post-operative hypothyroidism is common.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/32692404/