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Doctor insights on: What Is An Enlarged Thyroid Isthmus

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How can I prevent thyroid isthmus enlargement?

How can I prevent thyroid isthmus enlargement?

Careful monitoring: Serial ultrasounds and physicial exams, coupled with thyroid function studies, Make sure to obtain antithyroidantibodies to rule out thyroiditis

Dr. Steve Martinez
312 Doctors shared insights

Thyroid Enlargement (Definition)

Thyroid enlargement refers to a thyroid gland that is larger than normal. The thyroid gland is located in the front of the neck, below the Adam's apple, and may become enlarged due to hyper or hypo-thyroidism. An enlarged thyroid is also ...Read more


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Why is thyroid isthmus transected into two pieces?

Why is thyroid isthmus transected into two pieces?

Thyroid isthmus: Why is thyroid isthmus transected into two pieces? ANS: that is the way it evolved. No why that I know of.

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FMy right thyroid lobe measures 5.7 x 3.1 x 3.6 and the left thyroid lobe measures 6.0 x 2.8 x 2.8 CM in dimensions. The thyroid isthmus measures 0.8 c?

FMy right thyroid lobe measures 5.7 x 3.1 x 3.6 and the left thyroid lobe measures 6.0 x 2.8 x 2.8 CM in dimensions. The thyroid isthmus measures 0.8 c?

Normal: Hi. Yep, sounds pretty darn normal. Was there a question associated with that, or are you just proud of your thyroid???

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Thyroid ultrasound The right thyroid lobe measures 4.7 x 1.6 x 2.4cm. The thyroid isthmus measures 7mm. The left thyroid lobe measures 5.2 x 1.6 x 1.7cm?

Thyroid ultrasound The right thyroid lobe measures 4.7 x 1.6 x 2.4cm. The thyroid isthmus measures 7mm. The left thyroid lobe measures 5.2 x 1.6 x 1.7cm?

Thyroid: We don't know anything about you to try to make sense of the measurements you are giving us? How tall or how gig are you? Why did you have a thyroid ultrasound? Were there any nodules? Where do you live? Is there visible enlargement of your thyroid gland? You need to speak to the doctor that prescribed the ultrasound to answer your specific questions.

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I always feel like I have a lump in my throat and my thyroid isthmus was measured at 5.4mm thick, does this usually require surgery?

I always feel like I have a lump in my throat and my thyroid isthmus was measured at 5.4mm thick, does this usually require surgery?

Sounds normal: Doesn't sound like anything is wrong. It does sound like you've had a thyroid ultrasound, and the important result would be the presence of one or more significant nodules. Routine lab results would also be important. Ask whomever ordered your testing in the first place. The need for thyroid surgery should be pretty low in your case.

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Is an enlarged thyroid sometimes a genetic problem?

Is an enlarged thyroid sometimes a genetic problem?

Rarely: There are rarely pure genetic causes for goiter, like in patients with pendred syndrome and other even more rare conditions. However, most of the time, goiter is the result of a disease process within the thyroid. Genetics probably plays a role in one's susceptibility to thyroid disease as it's common to see patients with thyroid disease who also have other family members with thyroid disease.

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Is an enlarged thyroid of concern when all thyroid blood work comes back normal?

Is an enlarged thyroid of concern when all thyroid blood work comes back normal?

Yes: Goiter can still, exist and be a problem.
Also depends on the chemistry doneā€”if may be normal

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What causes an enlarged thyroid and how is it taken care of?

What causes an enlarged thyroid and how is it taken care of?

Multiple causes: Most are benign goiters, but sometimes thyroid enlargement is caused by cancer or hyperthyroidism. Treatment varies related to symptoms and cause. Most goiters do not need any treatment, but you need to see a doc to have it checked. You don't want to miss a curable cancer or suffer unnneccessarily if you have hyperthyroidism.

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What are the potential risks of a pronounced (enlarged) thyroid?

What are the potential risks of a pronounced (enlarged) thyroid?

Usually none!: Usually a sign of both hypothyroidism, or grave's disease, which causes overactivity. However, both thyroid nodules and malignacy can do this. You need some blood tests, and ultrasound of your thyroid, and perhaps a thyroid biopsy, if indicated. Women are more prone to goiters, usually caused by autoimmune issues!

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Possible thyroid enlargement / who do I tell?

Possible thyroid enlargement / who do I tell?

Your PCP!: Most doctors can adequately assess your thyroid concerns, and make an appointment with an endocrinologist if needed. The tests I recommend are free t3, (liothyronine) tsh, antithyroid antibodies. If you have a goiter, you may need an ultrasound. If thyroid disease is common in family members, it increases your likelyhood of having issues.

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What is a diffusely enlarged thyroid on a scan report?

Big thyroid: That just means the whole thyroid is bigger than normal.

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Possible thyroid enlargement I think. Dr says no. What now?

Possible thyroid enlargement I think. Dr says no. What now?

Thyroid: Its called goiter. Ask for a thyroid ultrasound. Minimally ask for an antibody test that can detect inflammatory agents causing the enlargement. Thyroid function test as well. If you've got a family history of thyroid disease in first-degree relative, you should be screened anyway.

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Does an enlarged thyroid feel long, wide and slightly raised?

Thyroidomegaly: Possibly. Get your doctor to examine your thyroid and get an ultrasound done.

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What are the causes of an enlarged thyroid and how to avoid it?

What are the causes of an enlarged thyroid and how to avoid it?

Many possibilities: An enlarged thyroid (goiter) has many causes. Are thyroid blood levels (tsh, ft4) normal? If not, then one thinks about hyper/hypothyroidism, graves disease, hashimotos, etc. Is the goiter nodular or smooth? This may require an ultrasound, with biopsy of suspicious nodules. In younger people, hashimotos is very common. Low grade inflammation, eventual hypo. There's no way to avoid this.

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All of my ultrasounds/scans came back normal but I have an enlarged thyroid, is that okay?

Probably: Unless the goiter (enlarged thyroid) is very large, it should cause few if any problems. However, something is causing the goiter. In the US, it is usually because the immune system is inappropriately making antibodies that attack a person's own proteins in the thyroid (auto-, or self-directed, immunity). This may cause abnormal thyroid levels in the future, and needs to be checked regularly.

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Enlarged thyroid. What's best to stop the cough? Syrups & drops don't help much. Thanks!

Is it thyroid?: It would have to be quite large to cause a cough. Consider other causes and consult a thyroidologist.

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Enlarged thyroid, but not hypothyroidism. What could it be?

Enlarged thyroid, but not hypothyroidism. What could it be?

See details: Most people with enlarged thyroids have normal thyroid function. Have an ultrasound of the thyroid done as a first step.

Dr. Milton Alvis Jr
13 Doctors shared insights

Thyroid (Definition)

The thyroid is an endocrine gland that sits in the lower part of the neck. It produces thyroid hormone - which ...Read more