https://www.selleckchem.com/pr....oducts/pf-9363-ctx-6
Summary A 33-year-old female presented with a right 11.6 cm ovarian cyst. Routine pre-operative thyroid function tests showed thyroid stimulating hormone (TSH) of less than 0.02 mU/L (0.3-3.05) and a free thyroxine (FT4) of 5.5 pmol/L (10-28.2) suggesting either assay interference, triiodothyronine (T3) ingestion or hypopituitary hypothyroidism. A free triiodothyronine (FT3) level was requested which was high normal 6.9 pmol/L (3.1-8.1). Parallel assays on a different platform were similar but with a raised FT3 of 7.2 pmol/L (3.