Endocrine Abstracts

Introduction: Papillary thyroid carcinoma is well known as a differentiated thyroid carcinoma with an established treatment protocol and high survival rates. Poorly differentiated thyroid carcinoma, or anaplastic, is highly aggressive, manifesting with local invasion, recurrence, and distant metastasis; it is well known that these two entities may be connected as a process of dedifferentiation, most commonly met in elderly people with a long term standing untreated well differ...