Radioiodine therapy is a common way to treat differentiated forms of thyroid cancer (papillary and follicular). It's not the kind of radiation you might associate with cancer treatment. Radioactive iodine is given orally (pills), when it enters the body, it works by killing cancer cells.

Thyroid cancer is a common disease, completely curable if the patient is detected early and treated promptly. To detect the disease as early as possible, we need to know what are the typical signs of the disease?