PMID: 6540005Jan 1, 1984Paper

Diagnostic value of radioisotope methods of studying the thyroid of sheep

Veterinarno-meditsinski nauki
P Georgiev

Abstract

Studies were carried out on the diagnostic effectiveness of the 131I-captation test, the thyro-cap, thyro-con, res-o-mat method, and the scintigraphic method in the investigation of sheep with hypo- and hyperfunction of the thyroid gland. It was established that the first of these methods displayed negligible diagnostic capacity, embracing the changes in the inorganic phase of the iodine metabolism at hypo- and hyperfunction of the thyroid. The data obtained for the T-3, T-4, and FT-4 values on the basis of the radioimmune tests used reflected precisely and differentially the changes in the level of the hormone synthesis taking place in the thyroid at various physiologic conditions. Scintigraphic studies with 131I and 99mTc did not give account for the functional changes taking place in the parenchyma of the thyroid gland.

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