Endocrine Abstracts

We present two cases with biochemistry results suggesting thyrotoxicosis, caused by laboratory artefacts.Case 1: A 68-year-old male with type 2 diabetes was referred with weight loss. Results showed fT4 of 30.5 and TSH of 1.07, confirmed on repeat. He had no symptoms of hyperthyroidism.Blood was sent for treatment with antibody-blocking reagents:...