Endocrine Abstracts

Behavior of thyroid function tests in a Brazilian elderly population using Big DataIntroduction: Interpretation of thyroid function data has changed over the last decades with several groups demonstrating changing in the thyroid axis with aging, particularly with a progressive increase in age-related TSH. With the proliferation of studies with large datasets, termed Big Data, sample sizes are no longer a challenge, and the possibility of using clinical l...

Correlation of three thyroglobulin assays in the management of differentiated thyroid cancer (DTC) patientsIntroduction: Thyroglobulin(Tg) is the main biochemical marker of DTC. Usual immunometric assays(IMA) are prone to interference by autoantibodies which can lead to erroneous results. LC-MS/MS has been described as an assay that may provide accurate results, however the literature reported up to 40% of undetectable rates in patients with positive thy...