Endocrine Abstracts

Case History: We present a 3-week-old baby who presented to a District General Hospital with prolonged unconjugated hyperbilirubinaemia and evolving developmental delay.Investigations: Initial thyroid function demonstrated a TSH at 2.41 mIU/l (0.8-5.4), free T3 at 7.39 pmol/l (3.40–7.60) and free T4 at 9.9 pmol/l (11.0–23.6). The TFT was repeated using an alternative assay with FT4 at 11.8 pmol/l (11.5–28.3), FT3 at 9.20 pmol/l (3.00–...