Thyroglobulin

Formal name: Thyroglobulin (Tg)

Related tests: Thyroglobulin antibody, Tumor markers , TSH, Thyroxine (T4)

At a Glance

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?

Prior to and after the completion of treatment for thyroid cancer, 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

This article was last reviewed on September 11, 2006. | This page was last modified on November 6, 2009.

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