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Old 09-11-2003, 04:30 PM   #1
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Post Question - radioactive iodine

I am confused about radioactive iodine. Is it used both for testing and for destroying thyroid cells?
Is a diffent kind used for testing, or a smaller dose?

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Old 09-11-2003, 05:55 PM   #2
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You're right in that it is used both to diagnose some thyroid conditions and for treatment of the hyperactive gland. The diagnostic test uses a tiny dose which passes from the body shortly afterward; the treatment dose is many times larger in order to destroy the gland altogether.
"We can complain because rose bushes have thorns, or rejoice because thorn bushes have roses." Abraham Lincoln

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