Endocrine Abstracts

Background: Anaplastic carcinoma and primary lymphoma (TL) each constitute <2% of thyroid malignancies and are difficult to distinguish clinically. Both typically present with rapidly enlarging anterior neck masses in the elderly. Both may cause pressure symptoms (e.g. dysphagia, stridor and hoarseness). Differentiation is imperative as their treatment and prognoses differ.Case report: A 68-year-old man presented with a rapidly enlarging thyroid mass...