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Review article2019Peer reviewedOpen access

Are persistent organic pollutants important in the etiology of feline hyperthyroidism? A review

Jones, Bernt; Engdahl, Jessica Norrgran; Weiss, Jana


Feline hyperthyroidism is a rather new disease, first reported from the North American east coast in 1979. The prevalence is increasing, especially in older cats, and hyperthyroidism is now reported worldwide as the most common feline endocrinopathy. Several studies have been performed trying to identify important etiological factors such as exposure to persistent organic pollutants, and especially brominated flame retardants, have been suggested to be of importance for the development of the disease. Recent studies have shown higher concentrations of these contaminants in serum of hyperthyroid cats in comparison to cats with normal thyroid status. However, other still unknown factors are most probably of importance for the development of this disease.


Brominated flame retardants; Etiological factors; Feline hyperthyroidism; Organohalogen compounds; Persistent organic pollutants

Published in

Acta Veterinaria Scandinavica
2019, Volume: 61, number: 1, article number: 45
Publisher: BMC

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      Clinical Science

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