Endocrine Abstracts

Background: Papillary thyroid cancer (PTC) is the most common type of thyroid carcinoma, but it rarely presents as an intrathoracic mass with concurrent hyperthyroidism due to Graves disease.Case presentation: A 73-year-old man presented with weight loss. Imaging by computed tomography (CT) documented a large mediastinal mass in the infrathyroidal space separate from the thyroid gland and pulmonary lesions suggestive of metastases. Neck ultrasound showed...