Endocrine Abstracts

A 62-year-old man with insulin treated type 2 diabetes presented with atrial fibrillation. Despite anticoagulation he suffered an embolic cerebellar infarct ten days later. He was found to have abnormal thyroid function tests (TSH 7.75 mu/l, free T4 49.3 pmol/l, free T3 12.0 pmol/l). Thyroid function test analysis was repeated in a second laboratory confirming the results above. TSH was stimulated by thyrotrophin releasing hormone, confirming thyroid hormone resistance. Magnet...