Endocrine Abstracts

Anaplastic carcinoma accounts for <5% of thyroid cancer. The simultaneous occurrence of anaplastic carcinoma (ATC) and Graves’s thyrotoxicosis is extremely uncommon with only six cases described in the literature.A 73-year-old female presented with weight loss and atrial fibrillation. Investigations showed TSH-0.02 mU with T4-40 pmol/l and T3-16 pmol/l suggesting thyrotoxicosis.There was no thyromegaly or orbitopathy. TBII was elevated at 10.3 U...