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Doctor insights on: Do Hot Thyroid Nodules Show Up Darker On Ultrasound

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I had a thyroid ultrasound done and it shows I have a new thyroid nodule that is 1.2cm. Previous one was 4mm now 6mm. Any concern?

Yes: Enlarging nodule needs clarification, by needle biopsy or excision likely. If clearly a cyst, may be followed, but thyroid blood chemical testing may lead to taking thyroid as a suppressant. Multinodular may be goiter. Nevertheless clarity is important and treatment can be guided. ...Read more

Dr. Michael Gabor
2,190 doctors shared insights

Sonogram (Definition)

An ultraound, also known as a sonogram, is a painless and relatively inexpensive imaging test that utilizes sound waves instead of ionizing radiation. There are no side effects. Ultrasound can give us two-dimensional, and in some applications three-dimensional, images of structures and organs in virtually any part of the body. In addition to diagnostic uses, such as evaluating abnormalities in the abdomen, pelvis, and breast, ultrasounds are commonly used to guide needle and catheter placement in a variety of surgical ...Read more


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Thyroid nodule at 3.4 x 4.7 x 2.3cm. Blood tests confirm all is normal. Ultrasound shows heterogeneous iso/small area hypechoic. Chances of cancer?

Thyroid nodule at 3.4 x 4.7 x 2.3cm.  Blood tests confirm all is normal.  Ultrasound shows heterogeneous iso/small area hypechoic.  Chances of cancer?

Yes, some: You need to see an endocrinologist.. Who would likely do a fine needle aspiration(fna) biopsy. Thyroid cancer needs to be ruled out by further testing. It has to be a consideration in your case. But thyroid cancer is easily treatable and highly curable(>95%). ...Read more

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Hashimito's plus thyroid nodule. FNA benign 1 year ago. repeat ultrasound shows thickened isthmus from what was 4 MM to 6MM. is this same as goiter?

Hashimito's plus thyroid nodule. FNA benign 1 year ago. repeat ultrasound shows thickened isthmus from what was  4 MM to 6MM. is this same as goiter?

Possibly: Hashimoto's thyroiditis is chronic lymphocytic thyroiditis based on autoimmunity. On gross examination, there is often a hard goitre, not painful . Goiter is an abnormal swelling of thyroid resulting in a lump in the neck. It arises from many causes, including under- or overactive thyroid, iodine deficiency and, rarely, thyroid cancer If nodule enlarges and is cold may need bx again ...Read more

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3cm hypoechoic solid vascular thyroid nodule with a cluster of hurthle cells, fna benign, follow up ultrasound now shows microcalcifications. Cancer?

3cm hypoechoic solid vascular thyroid nodule with a cluster of hurthle cells, fna benign, follow up ultrasound now shows microcalcifications. Cancer?

Not necessarily...: The fact that FNA was reported as benign, the nodule is unlikely to be malignant. Small droplets of benign colloid often mimic "microcalcificatins" of papillary tumor, hence caution is advised. I would suggest repeating the FNA, and consider also collecting samples for gene profiling studies, such as, those manufactured by Veracyte and Asuragen (Note:I have no financial/other interest.) ...Read more

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I have 3 thyroid nodules. Measuring .9-1.5. Thyroid bloodwork is normal. Hyperechoic hetergenous is what ultra sound shows. Help!! ?

Thyroid nodules: The vast majority of thyroid nodules are benign. Mutlinodular disease (goiter) is common. The larger the nodule the more worrisome they are. Ask your doctor how large a nodule must be before considering an FNA (fine needle aspiration). Most of these are handled by radiologists,endocrinologist as well as ENT's (ears, node & throat) specialists. Most likely benign but see your doctor. ...Read more

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Less than 1cm hypoechoic thyroid nodule disappeared one month later.Dr said 1st ultrasound wasn't overread. How'd it disappear?

Less than 1cm hypoechoic thyroid nodule disappeared one month later.Dr said 1st ultrasound wasn't overread. How'd it disappear?

Thyroid nodule: Thyroid cysts can certainly come/go. The quality of ultrasounds, the interpretation, and the definition of a "nodule" can vary. Hashimoto's can cause a patchy pattern that can look like a nodule. Certainly a small nodule that is so transient is not something to worry about. An endocrinologist should be able to interpret things. ...Read more

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7mm thyroid nodule seen on ultrasound, then 1 month later, it was gone. How can this be?

Options: The "nodule" could have been a cyst which involuted over time. Another option is that the first or second ultrasound was incorrectly read. A third option is the nodule may have gotten small enough to avoid being detected. ...Read more

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I was diagnosed to have a thyroid nodule and told to do an ultrasound after 6 months. Why?

I was diagnosed to have a thyroid nodule and told to do an ultrasound after 6 months. Why?

To be safe: The nodule is believed to have benign characteristics that do not require biopsy now. To be safe, and to ensure the nodule is not growing, a followup ultrasound is advised. This is very common and good advice. ...Read more

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How often do I need to schedule an Ultrasound for my Thyroid nodule? Each year? So far I've had two over two years, and it was small and benign

Yearly is sufficient: Yearly is sufficient. If the lesion remains stable in size, three years in a row, you may reduce the frequency in consultation with your doctor. ...Read more

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Why do I need another ultrasound after biopsy for thyroid nodule?

Why do I need another ultrasound after biopsy for thyroid nodule?

If it was inconclusi: If it wasn't a good sample, was inconclusive, or another biopsy needs to be done to obtain tissue for an afirma genetic assay. Ask your doctor. Biopsies cannot 100% prove the absence of cancer. ...Read more

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. Tiffanie Noonan
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