These tumors are rare and usually discovered at necropsy.
A freely movable mass may be palpable in the cranioventral cervical region.
Diagnosis is based on fine-needle biopsy and histological analysis, showing neuroendocrine tissue with low levels of pleomorphic change and lack of vascular or stromal invasion.
Treatment usually requires surgical excision and is usually curative.
- Itoh T et al (2007) Functional thyroid gland adenoma in a dog treated with surgical excision alone. J Vet Med Sci 69(1):61-63