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question on rise in TSH

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Old 11-17-2010, 10:28 AM   #1
Join Date: Nov 2010
Location: Geneva, NE USA
Posts: 1
JamesRo HB User
question on rise in TSH

I had thyroid cancer in June of 2008. Nods and thyroid removed and iodine radiation and radiation treatments followed, ending October of 2008. I just went through my six month check up. I had the two shots to prevent me going off thyroid replacement med of 200 mg. and blood work. My reading jumped from 4 to 11. Is that a concern? Dr. gave three options: 1) do nothing and retest in six months, 2) go on no-salt diet, iodine radition treatment and scan or 3) do CT scan to see if any exists. He also believes that the change in reading is nothing to be concerned about. Chest ex-ray and all other blood work have been normal. Advise????

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Old 11-26-2010, 08:09 PM   #2
Join Date: Aug 2009
Location: Alaska
Posts: 70
fireweed HB User
Re: question on rise in TSH

Are you sure you mean TSH and not Tg (thyroglobulin)? TSH is thyroid stimulating hormone. If you were given Thyrogen shots for the WBS scan, your TSH should have been higher than those numbers. Were you given a full body scan as part of that regimen? If so, did it show any uptake of iodine?

In the 6month/annual tests, Thyroglobulin levels are usually tested - in a thyroid cancer patient, the target is zero or very close to it. The presence of Tg indicates thyroid cells are present somewhere in the body, cancerous or not. The idea behind the surgery and RAI is to eradicate all thyroid cells.

An increase in Tg can indicate disease. Docs tend to look at trends with Tg though, not just the number itself. So, if you have a rise in Tg, that can be a concern.

Do you have Tg antibodies? If so, that can mess with the Tg readings and make them potentially of little use. I have Tg antibodies and, although I have Tg readings that generally hover around zero, we know I have disease because we can see it in CT scans (I have lung nodules that don't show up in xrays).

If they did not do a 'tracer' dose of RAI with scan that last visit, I'd think that would be the next step. If nothing shows up in the body scan, a CT would be next. That's how my docs handled my last check up when my Tg number increased slightly.

Don't mean to alarm you, just hoping to help by sharing my experience.
Best to you.

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