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Thyroglobulin serum test What is this ?

 
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surviving
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Joined: 28 Nov 2008
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Location: putnam county ny
PostPosted: Fri May 01, 2009 1:32 pm    Post subject: Thyroglobulin serum test Reply with quote
Does anyone know how accurate the thyroglobulin serum test? I can't seem to find anything on-line about it.

Thank you,
Maryann
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Maryann
thyroid cancer 4/08 papillari & fallicular
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brainman
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Joined: 13 Oct 2005
Posts: 5612
Location: Tennessee
PostPosted: Fri May 01, 2009 6:36 pm    Post subject: Re: Thyroglobulin serum test Reply with quote
Maryann, did you have a total thyroidectomy? If so, the thyroglobulin level should the zero since only the thyroid produces it. I also cannot find listed any test limits. The one technical source that I did find said that it should be "undetectable".
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Jim
Administrator and long-term cancer survivor
1992 Astrocytoma grade 2, left motor strip
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surviving
New User


Joined: 28 Nov 2008
Posts: 9
Location: putnam county ny
PostPosted: Sat May 02, 2009 8:04 pm    Post subject: test results Reply with quote
Thank you for replying. Yes I had my thyroid removed last April and last June I had a RAI treatment. The thyroglobulin serum tests come back <20, but the doctor just had me do a RAI scans again. So I was wondering if he thinks the blood test is not accurate? I have done some research but can't find anything on accuracy or how often the scans are done.

Thanks
Maryann
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Maryann
thyroid cancer 4/08 papillari & fallicular
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brainman
Site Admin


Joined: 13 Oct 2005
Posts: 5612
Location: Tennessee
PostPosted: Mon May 04, 2009 10:49 pm    Post subject: Re: Thyroglobulin serum test Reply with quote
Oh, you mean how often the test gives a false positive? I will look for that information but I have not seen anything about false positives either.
_________________
Jim
Administrator and long-term cancer survivor
1992 Astrocytoma grade 2, left motor strip
2005 Recurrence this time said to be an Oligodendroglioma grade 3, same location.
http://cancerforums.net/viewtopic.php?t=2405
My Story Part 1: http://cancerforums.net/viewtopic.php?t=2528
My Story Part 2: http://cancerforums.net/viewtopic.php?p=7350
My Story Part 3: http://cancerforums.net/viewtopic.php?t=8029
Twitter: @JimHawkins54
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surviving
New User


Joined: 28 Nov 2008
Posts: 9
Location: putnam county ny
PostPosted: Thu May 07, 2009 8:57 pm    Post subject: test results Reply with quote
Brainman thanks for the info. I just got my thyrogen scan results - the doctor said i'm "cancer free"! He also said I shouldn't have to have the scans again for about 5 years if all the blood test are good. I'm not sure it has sunk in yet. I'm very thankful for the great news and this forum.

Maryann Telesco
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Maryann
thyroid cancer 4/08 papillari & fallicular
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brainman
Site Admin


Joined: 13 Oct 2005
Posts: 5612
Location: Tennessee
PostPosted: Sat May 09, 2009 6:16 pm    Post subject: Re: Thyroglobulin serum test Reply with quote
**Dancing around the room** Alright Maryann!!!! What wonderful news! I am so happy for you Smile
_________________
Jim
Administrator and long-term cancer survivor
1992 Astrocytoma grade 2, left motor strip
2005 Recurrence this time said to be an Oligodendroglioma grade 3, same location.
http://cancerforums.net/viewtopic.php?t=2405
My Story Part 1: http://cancerforums.net/viewtopic.php?t=2528
My Story Part 2: http://cancerforums.net/viewtopic.php?p=7350
My Story Part 3: http://cancerforums.net/viewtopic.php?t=8029
Twitter: @JimHawkins54
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