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Old 12-08-2008, 10:12 AM   #1
Join Date: Jun 2007
Location: ny
Posts: 379
namelessme HB User
Shrinking thyroid glands - good or bad?

I have two ultrasound reports over the past several months which appear quite different from one another:


Right gland measures 4.73cm x 2.14 x 2.35. Left measures 5.1 x 2.01 x 1.67. Isthmus is .51 cm. Scan shows mildy diffused flow, mild prominent glands, and no discrete thyroid nodules. According to the report, it says the pattern would be consistent with either Hashimoto's or Graves (but doesn't exactly say why).


Right lobe measures 3.5 x 2.0 x .9. Right lobe has a .4 x .4 cm hypoechoic node.
Left lobe measures 3.5 x 1.8 x 1.1, with multiple hypoechoic nodes, .2-.4 cm. Hypoechoic nodes in both lobes, recommend to check with nuclear medicine thyroid scan.

For the thyroid experts out there... what does this mean exactly? Did inflammation go down, resulting in a smaller thyroid? Or... are antibodies destroying my thyroid, making it smaller? And now I have small nodules, where previously I didn't.

My blood work came back with normal hormone levels, but a TSH in the low 3s. Hashi antibodies tested positive during both ultrasounds, but my TGab was the only high one, around 220 for the 8/18 test. For the 11/14 test my TGab came down to 40 (test range 0-40).

Anybody have any ideas as to what's going on with my thyroid?


Last edited by namelessme; 12-08-2008 at 10:14 AM.

Old 12-12-2008, 12:44 PM   #2
Senior Member
Join Date: Oct 2006
Location: Australia
Posts: 280
Myth HB User
Re: Shrinking thyroid glands - good or bad?

hi namelessme, your situation is very similar to mine only I have a multinodular goitre with two large nodules on both sides that went into 'cystic degeneration' and the thyroid shrunk
I asked my doc exactly what this meant and he said that the nodules burst and is being reabsorbed ,he said its changing but couldnt say whether its change for better or worse we are taking the wait and see approach
I know this is not much help but Im bumping up your post hoping someone can shed some light on it

regards myth

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Old 12-13-2008, 09:51 AM   #3
Join Date: Apr 2003
Location: keystone IA USA
Posts: 307
keystone206 HB User
Re: Shrinking thyroid glands - good or bad?

I also have a multi nodular goiter, and my thyroid also shrunk. I am not sure though if it has anything to do with the fact that the ultra sounds were done at 2 different facilites and I was started in Synthroid between the 2 tests.

Old 12-13-2008, 12:13 PM   #4
Join Date: Jun 2007
Location: ny
Posts: 379
namelessme HB User
Re: Shrinking thyroid glands - good or bad?

Thanks for the replies, I appreciate it.

The thyroid theories I have are:

Hashimoto's, which was worse during the Summer, causing my thyroid to be inflamed. My HGab in the 200s would back this theory, but then why do I have nodules now, when my thyroid is less inflamed? Unless the antibodies have been fluctuating, causing damage, and it just happens that my antibodies are normal-ish now?

or I could have Hashimoto's destroying my gland, making it smaller. But if this was the case, shouldn't my thyroid hormones be low?

Or it was an error by the radiologist, but I can't see a radiologist missing multiple nodules on a scan. Maybe one, but I doubt he'd miss nodules on both lobes.

I do have an appointment with an Endo in January, so I'll see what he thinks. And are small nodules anything to be concerned about? Should I get an iodine uptake scan? And would a doctor treat small nodules with T4 (or T4/T3), even if my hormone levels are normal?

Old 01-03-2009, 07:58 PM   #5
Join Date: Jun 2007
Location: ny
Posts: 379
namelessme HB User
Re: Shrinking thyroid glands - good or bad?

Just bumping up an old thread of mine, which I normally wouldn't do... but, I have an endo appointment in two days, and am hoping someone could offer feedback about my thyroid, or just questions/tests I should suggest the endo to run.

I have a fear he'll just say everything is normal, and let's wait to do anything at all. Then a year from now my thyroid will have tons of nodules.

Old 01-03-2009, 10:26 PM   #6
Senior Member
Join Date: Oct 2006
Location: Australia
Posts: 280
Myth HB User
Re: Shrinking thyroid glands - good or bad?

hi namelessme, if you had hypothyroidism your thyroid hormone levels should be low and your tsh should be above normal range, but with hashimotos you can swing between hypo & hyper , this is a complex issue I suggest you ask the endo some 'hard' questions and get a copy of your tests
let us know how you get on

cheers myth

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