What is the biggest advantage of using I-131 for a whole body thyroid cancer metastatic work-up?

Below are two whole body scans for thyroid cancer metastases.  One image is a PET FDG image and the other is a radioiodine image.  One patient has follicular thyroid cancer and the other has medullary thyroid cancer.  Which type of thyroid cancer does each image visualize? What is the most likely imaging agent for each image? Image A   Image B

What methods are commonly used in the treatment of thyroid cancers?

Which of the following primary thyroid cancers are most likely to generate metastases that will concentrate radioiodine?

Which of the following Thyroid cancer(s) originates with the thyroid follicles? (Check all that apply)

What is the molecular weight of sodium nitrate ?

Nuclear medicine imaging for parathyroid adenomas is most useful for:

You have 10.0 g each of Na, C, Pb, Cu and Ne. Which contains the largest number of atoms?

Kaitlyn reacts aluminum sulfate with calcium hydroxide in water to form solid aluminum hydroxide and aqueous calcium sulfate according to this balanced equation..

Which of the following is used to block the thyroid gland and reduce thyroid gland radiation exposure?