Abundant amyloid is produced by tumor cells (Inset ... Stained section of the surgical specimen shows medullary thyroid carcinoma (left lower corner) and the non-neoplastic thyroid tissue ...

After extensive surgery, calcitonin levels plummet in most patients with medullary thyroid carcinoma (MTC) without lymph node metastases. Calcitonin, however, remains elevated in two-thirds of ...

Thyroid cancer is occasionally associated with hyperthyroidism. Papillary thyroid carcinoma is the most frequently reported histologic type followed by follicular thyroid carcinoma. Medullary ...