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Hypo - Thyroid or Pituitary?

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Old 04-19-2004, 12:18 PM   #1
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Question Hypo - Thyroid or Pituitary?

Sorry guys, I have another question....does anyone know how to tell if their Hypo is caused by a Thyroid vs. a Pituitary problem?
Is anyone on this board Hypo because of a Pituitary imbalance? Are the meds the same?
My husband has a Pituitary tumour and he has a lot of the same syptoms I do but his Thyroid was checked along with TSH, FT3 & FT4 and is fine.

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Old 04-19-2004, 01:16 PM   #2
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Re: Hypo - Thyroid or Pituitary?

I'm going out on a limb here, because I don't have a pituitary problem. I'm answering because pituitary tumors are pretty rare, and perhaps you wouldn't get an answer otherwise.

There is such a thing as pituitary hypothyroidism, also called secondary hypothyroidism. It's symptoms and treatment are pretty much the same, although I think (don't hold me to it, though) that the tumor can be removed and the hypoT will reverse.

We all have been told at one time or another that our thyroid tests are "fine".... But we all have learned otherwise, once a doctor adept at thyroid problems got a look at them. There's a lot of subjectivity to thyroid test interpretation.

Your husband's TSH probably looks "fine" because the tumor is preventing the pituitary from producing it. This type of hypoT always has a low or normal TSH level. And the FT4/FT3 may not be "fine", even if it is within the lab's range. If you have his result and the lab's range, post it here if you'd like us to take a look.

Oops... Edit because I forgot to give you a link about this...

Last edited by midwest1; 04-19-2004 at 01:18 PM.

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