Thyroid cancers are tumours of the thyroid gland, and originate from follicular or parafollicular cells. These are often caused by radiation exposure, and can present as a nodule in the anterior ...

a rare type of thyroid cancer that develops in the parafollicular cells of the thyroid gland. READ MORE: Harvard health ...

Figure 1: Preoperative calcitonin levels in patients with either C-cell hyperplasia or medullary thyroid carcinoma. Figure 2: Correlation between serum calcitonin levels and disease progression.