Abstract
Cytokines might be involved in the immunological flare up, seen in some patients after 131I-treatment. Therefore, we measured serum levels of interleukin-6 (IL-6), interleukin-1beta (IL-1beta), interleukin-6 soluble receptor (IL-6sR) and Intercellular-adhesion-molecule-1 (ICAM-1) as well as tumor necrosis factor (TNF-alpha) after 131I-treatment of Graves' disease and nodular goiter. Seven patients with Graves' disease, eight with toxic nodular goiter and seven with non-toxic nodular goiter, were followed after 131I-treatment. The patients were treated in the euthyroid state. Blood samples were drawn at day 0, 4, 7, 21 and after 3 months. Significant increases were seen in free T4 index (FT4I), free T3 index (FT3I) and thyroglobulin (Tg) within the first weeks, and TSH simultaneously decreased. None of the cytokines demonstrated any change during follow-up, neither in the entire group nor in subgroups. FT4I and FT3I correlated significantly to ICAM-1. In conclusion, our data suggest that there does not seem to be prolonged cytokine activation after 131I-treatment for thyroid disorders.
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Schedule a callMore From: Hormone and metabolic research = Hormon- und Stoffwechselforschung = Hormones et metabolisme
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