Endocrine Abstracts

Case History: We report the case of a 59-year-old lady with a persistently elevated serum thyroglobulin following a total thyroidectomy for multifocal papillary thyroid carcinoma. She subsequently underwent radioiodine therapy following which her serum thyroglobulin remained elevated. However, it was later found to be almost undetectable at 0.3 μg/l after a change in laboratory method. This discrepancy prompted further investigation, and repeat analysis using the original assa...