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Doctor insights on: Thyroid Scan Came Back Cold Nodules

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If I had a thyroid scan that read: left lobe of gland is mildly enlarged at 5.8cm x 1.7 x 2.2 . There is a avascular 3 mm hypoechoic nodule in the lower pole of the left lobe. How would I know if it was " hot or cold"?

If I had a thyroid scan that read: left lobe of gland is  mildly enlarged at 5.8cm x 1.7 x 2.2 .  There is a avascular 3 mm hypoechoic nodule in the lower pole of the left lobe. How would I know if it was " hot or cold"?

Ultrasound results: What you are describing are ultrasound results. A hypoechoic nodule of 3 mm of size is nearly 100% benign. The only reason to assess if a nodule is overactive (hot) or underactive (cold) is in general hyperthyroidism. If the nodule is hot, then it can be the target of therapy. This is done through a i-131 uptake and scan. ...Read more

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Thyroid Scan (Definition)

The patient ingests radioactive iodine or has intravenous injection of radiotracer technetium to define structure, size, and function of thyroid gland. Overactive ( hyperthyroid) normal, and underactive thyroid glands are determined. Sometimes autoimmune conditions and tumors of the gland can be suspected. Correlative imaging ultrasound, mr imaging, and blood tests ...Read more


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I just got my results from my thyroid scan. What does bilateral hypoechoic nodules&cysts mean?

It means: you have multiple fluid-filled of minimally cellular nodules and cysts, which are present in approx 50% of healthy normal individuals. Discuss the full findings with your doctor. ...Read more

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Single hot 1 CM nodule on thyroid scan with normal thyroid blood panels & uptake. Chances of malignancy?

Single hot 1 CM nodule on thyroid scan with normal thyroid blood panels & uptake.  Chances of malignancy?

Not likely: "hot" nodules are rarely cancer and most often represent benign follicular adenomas. These are also known as "autonomous" nodules because they make thyroid hormone but don't respond to the body's normal signals telling them when to stop making the hormone. The vast majority of thyroid cancer nodules are "cold" on a thyroid scan. ...Read more

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I have stable, dominant 10 mm left thyroid nodule with possible internal microcalcifications. What does it mean ? Do I need thyroid scan ?

Thyroidologist: Usually, in women especially multiple thyroid nodules are all benign. However,that being said, if there's any doubt a needle biopsy is the diagnostic procedure of choice. I feel that an endocrinologist or preferably a thyroidologist is best qualified to evaluate, treat and follow you. Thyroid scans or ultrasounds alone don't usually settle the problem in my experience. ...Read more

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On and off soreness around adams apple.Sore when pressed.Chronic on off neck pain.Thyroid scan no nodules.Mri minor bulged disc.Finished pt and injectons.More a gnawing ache.Also gets tight ard adams?

On and off soreness around adams apple.Sore when pressed.Chronic on off neck pain.Thyroid scan no nodules.Mri minor bulged disc.Finished pt and injectons.More a gnawing ache.Also gets tight ard adams?

Not related: You have a lot going on and i can only comment in general. Discomfort below the "adams apple" is not likely to be from the spine. The thyroid itself can hurt off and on with thyroiditis. There are specific blood tests for that. There are muscles and nerves in the neck that can be injured, stretched or irritated. No test will show that. Stick with your docs, avoid over examining and irritating it. ...Read more

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I had a radioactive thyroid scan. The results show an overproducing thyroid, with a pyramidal lobe, but my TSH came back at 4.3.Endocronologist next?

I had a radioactive thyroid scan.  The results show an overproducing thyroid, with a pyramidal lobe, but my TSH came back at 4.3.Endocronologist next?

Likely Hashimoto's: You cant tell anything about thyroid function based on a thyroid scan. This is a common mistake made by radiologists. All you can assess is how much iodine is taken up by the thyroid gland and how it appears, not how much thyroid hormone is being produced. Your TSH is borderline elevated. The most likely cause for these findings in your age group is Hashimoto's thyroiditis. Seeing an endo is good ...Read more

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When getting a thyroid scan, what's the procedure?

When getting a thyroid scan, what's the procedure?

Thyroid scan..: There are two types of nuclear thyroid scan. One involves IV injection of a tracer. The other involves ingestion of a radioactive iodine pill. The pill is more common....Usually you will be told not to consume foods with high iodine content for a few days before scan. 1st day you ingest the pill and you come back the next day for images of the neck on a gamma camera and calculation of uptake. ...Read more

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What is the definition or description of: thyroid scan with i 123?

What is the definition or description of: thyroid scan with i 123?

Thyroid evaluation: The isotope iodine 123 is ingested by patient. It is absorbed into blood stream and accumulates in the thyroid gland.The function of gland is determined by uptake of isotope by gland, increased (hyper), normal, or decreased (hypo). The structure of the gland is visualized showing size, location, and texture (homogeneous or nodular).. Nodules can be hypo- or hyperfunctioning, benign or malignant. ...Read more

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Nodule (Definition)

Any growth or deposit in the body or on its surface may be casually termed a nodule until its character is determined by the familiarity of the physician with it or by the results of a biopsy if it is not so obvious. The term is casual ...Read more


Dr. Ralph Wharton
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