Endocrine Abstracts

Introduction: Calcitonin is produced by parafollicular C cells of the thyroid, increased values being considered the hallmark for the medullary thyroid carcinoma (MTC). We discussed two challenging cases with high calcitonin, multinodular goitre and ACTH-dependent paraneoplastic Cushing syndrome.Case 1: A 45-year-old female patient was admitted into our clinic due to severe fatigue, central obesity, proximal muscle atrophy, round face, buffalo hump, dors...