Endocrine Abstracts

Background: Diagnostic thyroid scans using technetium-99m pertechnetate are widely used to differentiate the causes of hyperthyroidism. Only 1-5% of the administered isotope is taken up by the thyroid after 20 minutes resulting in high background radioactivity.Objectives: To determine the effective radiation dose and calculated organ doses after a standard administration of Technetium-99m pertechnetate</ce:under...