Thyroid carcinoma with bone metastasis in dog

Case report

Authors

  • Iara Zamorano Abi Zaid Neta Associação Nacional de Clínicos Veterinários de Pequenos Animais
  • Carmem Helena de Carvalho Vasconcelos Universidade Federal Fluminense
  • Renan Duarte Moreira Centro de Diagnóstico Médico Veterinário
  • Rafaela Ferreira dos Santos Universidade Federal Fluminense https://orcid.org/0009-0006-2496-2767

DOI:

https://doi.org/10.31533/pubvet.v19n10e1846

Keywords:

Bone metastasis, carcinoma, rare neoplasm, thyroid

Abstract

Thyroid carcinoma in dogs is a rare but aggressive neoplasm, often associated with local invasion and distant metastasis. This report describes the clinical management of a 9-year-old Brazilian Terrier dog diagnosed with thyroid carcinoma and subsequent bone metastasis. The initial diagnosis was made through cytology and imaging, followed by thyroidectomy and lymph node excision. Due to disease progression, the patient underwent chemotherapy, limb amputation, and palliative care, including tyrosine kinase inhibitors and bisphosphonates. Despite a partial response, the patient experienced rapid clinical decline, highlighting the poor prognosis associated with metastatic thyroid carcinoma. This case emphasizes the importance of early diagnosis, comprehensive staging, and a multimodal therapeutic approach to improve patient outcomes and quality of life.

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Published

2025-10-29

Issue

Section

Medicina veterinária

How to Cite

1.
Zaid Neta IZA, Vasconcelos CH de C, Moreira RD, Santos RF dos. Thyroid carcinoma with bone metastasis in dog: Case report. Pubvet [Internet]. 2025 Oct. 29 [cited 2026 Oct. 20];19(10):e1846. Available from: https://ojs.pubvet.com.br/index.php/revista/article/view/4302