ESPE Abstracts

Background: The polyethylene glycol (PEG) method, which utilizes the addition of PEG to precipitate immunoglobulin fractions in order to measure free thyroid stimulating hormone (TSH), has been implemented as a tool for investigating incongruities in TSH measurement.Aim of the study: To investigate the practical application of PEG-TSH testing in pediatric scenarios with a discrepancy between elevated TSH and normal free ...