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Peer-reviewed veterinary case report

Horse losing weight and not responding to thyroid test - what helped?

By Costello, Jillian et al.·Published in The Canadian veterinary journal = La revue veterinaire canadienne·2019·College of Veterinary Medicine, United States·View original on PubMed

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Original publication title: Response to thyrotropin-releasing hormone (TRH) in a horse with hyperthyroidism associated with a functional thyroid adenoma.

Species:
horse

Plain-English summary

A 16-year-old American Paint Horse gelding was brought in because he was losing weight and had high levels of thyroid hormones. Tests showed he had a functional thyroid adenoma, which is a type of tumor affecting the thyroid gland. The horse did not respond to a specific hormone stimulation test, but after the adenoma was surgically removed, his health improved and the clinical signs went away.

People also search for: horse weight loss thyroid problem · thyroid adenoma in horses · horse surgery for thyroid tumor

Abstract

A 16-year-old American Paint Horse gelding was presented for evaluation of weight loss and high serum thyroid hormone concentrations resulting from a functional thyroid adenoma. The horse showed no response to a thyrotropin-releasing hormone (TRH) stimulation test. Clinical signs resolved following surgical removal of the adenoma.

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Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/31692666/