Recombinant Human TSH Stimulation Test

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This information explains your recombinant human thyroid stimulating hormone (TSH) stimulation test.

Thyroglobulin is a protein in your blood that is made only by your thyroid cells. We measure your thyroglobulin level to help us monitor your cancer after treatment. If your thyroglobulin level goes up, it could mean that you need more tests and follow-up care to be sure your cancer hasn’t returned.

You will get an injection (shot) of recombinant human TSH to stimulate any potentially remaining thyroid cancer cells. This will cause your thyroglobulin levels to go up if there are any thyroid cells left in your body.

For more information on blood tests that measure how your thyroid is working, read the resource Thyroid Function Tests (TFTs).

Testing Schedule

  • On day 1, you will have your blood taken to measure the amount of thyroglobulin in your blood at baseline (the starting point that your thyroglobulin will be compared to after the test).
  • Also on day 1, you will get an injection of recombinant human TSH.
  • On day 2, you will get another injection of recombinant human TSH.
  • On day 5, you will have your blood taken again. This is done to measure the amount of thyroglobulin in your blood after taking the recombinant human TSH.

 

The testing schedule generally looks like this:

Option 1

Monday

  • Blood work
  • Recombinant human TSH injection

Tuesday

  • Recombinant human TSH injection

Wednesday

Thursday

Friday

  • Blood Work

Option 2

Thursday

  • Blood work
  • Recombinant human TSH injection

Friday

  • Recombinant human TSH injection

Saturday

Sunday

Monday

  • Blood Work

Test Results

You can write down test results below.

Baseline results

Date________________

Baseline thyroglobulin is: ____________________

TSH is: ________

Stimulated results

Previous stimulated thyroglobulin was: ____________ Date ___________

Current stimulated thyroglobulin is: ____________ Date ___________

 

You can also record your results in the following table:

Date

TSH

Free T4

Thyroglobulin

Thyroglobulin AB

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Last Updated

Tuesday, March 12, 2019

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