A neuroendocrine carcinoma arising from the C-cells of the thyroid gland. It is closely associated with multiple endocrine neoplasia syndromes. Approximately 10% to 20% of medullary thyroid carcinomas are familial. Patients usually present with a thyroid nodule that is painless and firm. In the majority of cases nodal involvement is present at diagnosis.
Also indexed as
Medullary carcinoma of thyroid glandmedullary carcinoma with amyloid stroma of thyroidmedullary carcinoma with amyloid stroma, unspecified site