[Assessment of the deficiency in the T3 pool in hypothyroidism]. / Otsenka defitsita pula T3 pri gipotireoze.

The leading role of the endocellular ways in the T3 formation among the thyroid hormones was revealed. Therefore new approaches to the evaluation of thyroid function disorder are required. On the basis of the radioimmunoassay the authors have devised a new method of the determination of quantitative deficiency of the T3 pool in the body. The author present the first results of its use in clinical practice for the evaluation of the severity of hypothyroid conditions and control over the efficacy of hormonal substitution therapy.