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Thyroglobulin (TG)

Also known as: Thyroglobulin
Formal name: Thyroglobulin, Serum or Plasma
Related tests: Thyroglobulin antibody, Tumor markers, TSH, Thyroxine (T4)

 

  • Why should I do it?

To monitor treatment of thyroid cancer and to detect recurrence; less commonly, to help determine the cause of hyperthyroidism and hypothyroidism

 

  • When should I do it?

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

 

  • What Kind of Sample is Needed?

A blood sample drawn from a vein in your arm

 

  • Test Preparation Needed?

None