Endocrine Abstracts

Introduction: While most common aetiologies accounting for hyperthyroidism are straightforward and respond predictably to treatment, a subset provides diagnostic or therapeutic challenge. We report such a case.Case report: A 26-year-old Afro-Caribbean male presented with symptoms of thyrotoxicosis. FT4 was 50 (12–20 pmol/l), FT3 11.5 (3–8 pmol/l) and TSH 5.38 (0.27–4.20 mU/l). He had diffuse non-tender thyromegaly without eye signs. Thyroi...