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HYPOTHYROIDISM IN A DOG AFTER SURGERY AND RADIATION THERAPY FOR A FUNCTIONAL THYROID ADENOCARCINOMA
Author(s) -
Kramer Robert W.,
Price G. Sylvester,
Spodnick Gary J.
Publication year - 1994
Publication title -
veterinary radiology and ultrasound
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.541
H-Index - 60
eISSN - 1740-8261
pISSN - 1058-8183
DOI - 10.1111/j.1740-8261.1994.tb00201.x
Subject(s) - medicine , thyroid , radiation therapy , adenocarcinoma , external beam radiation , thyroid function , hormone , surgery , cancer
Hypothyroidism was diagnosed in a dog which had undergone unilateral thyroid lobectomy and external beam irradiation (48 Gy in 3 Gy fractions) for a functional cystic thyroid adenocarcinoma. Hypothyroidism became biochemically apparent within 4 months of completion of radiation therapy, and clinically apparent within 7 months. Clinical signs resolved after thyroid hormone supplementation. The potential for alterations in thyroid function should be considered in any animal undergoing radiation therapy in which the thyroid gland is included in the radiation field. This potential may be greater if surgery and radiation are combined.