Endocrine Abstracts

Background: Functioning metastasis from a primary thyroid cancer are exceedingly rare. Failure to proceed to hypothyroidism after total thyroidectomy denotes remaining hormone production from functioning metastasis. Radioactive iodine ablation will ablate these remaining tissues. We present the case of a patient with follicular thyroid cancer, lung metastasis and detectable thyroid hormones after thyroidectomy.Clinical presentation: The patient is a 71-y...