The form that thyroid hormone takes when stored in the cells of the thyroid. If the thyroid has been removed, thyroglobulin should not show up on a blood test. Doctors measure thyroglobulin level in blood to detect thyroid cancer cells that remain in the body after treatment.

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... Why get tested?
To monitor treatment of some types of thyroid cancer and to detect recurrence; less commonly, may be used to help determine the cause of hyperthyroidism

When to get tested?
Once treatment for thyroid cancer has been completed, before and after radioactive iodine therapy, and at regular intervals to monitor for recurrence

Sample required?
A blood sample drawn from a vein in your arm
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Lab Tests Online - more...

Thyroglobulin (Tg) is a protein produced by and used entirely within the thy ...
Wikipedia - [full article]

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