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Doctor insights on: Ultrasound Thyroid Bed Post Thyroidectomy Indeterminate Nodules

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I just had ultrasound of my thyroid. I was wanting explanation of the report. I had a right thyroidectomy in 2004. The report says left lobe is normal. There is no normal thyroid tissue seen on right side. There is a tiny hypoechoic nodule in isthmus.

I just had ultrasound of my thyroid. I was wanting explanation of the report. I had a right thyroidectomy in 2004. The report says left lobe is normal. There is no normal thyroid tissue seen on right side. There is a tiny hypoechoic nodule in isthmus.

Easy: The thyroid has 3 parts. Right lobe, Left lobe and the connection between them, the Isthmus. Right side is gone, consistent with your surgery. Left side has no abnormalities seen by the ultrasound. The isthmus has a tiny nodule seen that is hypoechoic. US uses sound echos. Hypo means that it is less dense than surrounding tissue - likely fluid filled = cyst or black spot on the image. ...Read more

Dr. Michael Gabor
2,271 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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Mother 46yo had T1N1aMx papillary thyroid cancer. Daughter 24yo had papillary thyroid cancer too. Both underwent subtotal thyroidectomy. Today the third daughter 22yo showed increasing thyroid nodules on Ultrasound. Is thyroidectomy adviced for her?

Mother 46yo had T1N1aMx papillary thyroid cancer. Daughter 24yo had papillary thyroid cancer too. Both underwent subtotal thyroidectomy. Today the third daughter 22yo showed increasing thyroid nodules on Ultrasound. Is thyroidectomy adviced for her?

Investigate further: Thyroid nodules on ultrasound need further investigation. A family history of thyroid cancer makes it more likely but further tests are needed to plan comprehensive management. These tests might include a radio-isotope scan or a fine needle aspiration biopsy. ...Read more

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Total thyroidectomy was NOT cancer. 3 years later ultra sound now says 6mm hypoechoic nodule may be residual thyroid vs benign appearing lymph node.

Total thyroidectomy was NOT cancer. 3 years later ultra sound now says 6mm hypoechoic nodule may be residual thyroid vs benign appearing lymph node.

First Unusual: Total thyroidectomy for non malignant condition, need biopsy report to give accurate answer with outguessing If some with malignant disease, total is done, this nodule needs image guided FNA biopsy (fine needle aspiration) Speak to your surgeon. ...Read more

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I've had total thyroidectomy & neck dissection & 2 rai treatments, ultrasound found tissue in thyroid bed, what does this mean?

I've had total thyroidectomy & neck dissection & 2 rai treatments, ultrasound found tissue in thyroid bed, what does this mean?

Left over tissue: What you describe could be scar, left over normal thyroid tissue, or thyroid cancer. Ultra sound guided fine needle biopsy, +/- molecular markers and a thyroglobulin wash out can give you the answer. ...Read more

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What does a hypoechoic non vascular round shaped nodule 7mm on thyroid bed. Post thyroidectomy. Meaning?

What does a hypoechoic non vascular round shaped nodule 7mm on thyroid bed. Post thyroidectomy. Meaning?

Not entirely clear: This means there is a "nodule" or lymph node in the area where your surgery was. If the surgeon performed a partial lobectomy, then there could be some thyroid left there and also a nodule. It could be a lymph node that was outside of where the thyroid was. Also, in reality if the surgeon did remove the entire lobe, it could be remnant scar that is being interpreted as such. Speak with surgeon. ...Read more

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My thyroid us report. Right thyroidectomy. Hypoechoic nodule in isthmus.. 8 x. 8 x 1.8 hypoechoic focus in right thyroid bed. No normal tissue in r?

My thyroid us report. Right thyroidectomy. Hypoechoic nodule in isthmus.. 8 x. 8 x 1.8 hypoechoic focus in right thyroid bed. No normal tissue in r?

Thyroid ultrasound: By reporting "Right thyroidectomy" it is generally understood that the right thyroid lobe is surgically absent or has been removed. The. 8x.8x1.8 hypoechoic focus in the right thyroid bed would suggest that there is something in the soft tissues behind where the thyroid was removed that is showing up. This could be a parathyroid gland, lymph node or something else. Get back with your doctor. ...Read more

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How can a thyroid nodule grow in a gland bed of post total thyroidectomy?

How can a thyroid nodule grow in a gland bed of post total thyroidectomy?

Radioactive iodine?: Did you ever have a radioactive iodine ablation to get rid of remnant tissue? Residual tissue in the thyroid bed could be remnant tissue or recurrence. ...Read more

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I had total thyroidectomy. Hypodense nodule right thyroid bed 11mm by 9mm. Significance uncertain. Nonspecific lymph nodes. Could this be cancerous?

I had total thyroidectomy. Hypodense nodule right thyroid bed 11mm by 9mm. Significance uncertain. Nonspecific lymph nodes. Could this be cancerous?

Possibly: The total thyroidectomy was performed for a lesion in the thyroid that was not a goiter. That signifies that the lesion removed by the procedure had a potential for malignancy. Frozen section usually performed would inform surgeon of pathology and as such if Ca, a lymph node dissection would have been performed. If no Ca then any lesion in the bed is benign but should be followed. ...Read more

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Partial thyroidectomy in 2006 for nodule, result was benign. Been on 100mcg Synthroid (thyroxine) but a new small nodule has appeared. Had ultrasound and told to not worry and come back in 1 yr. Do you agree?

Partial thyroidectomy in 2006 for nodule, result was benign. Been on 100mcg Synthroid (thyroxine) but a new small nodule has appeared. Had ultrasound and told to not worry and come back in 1 yr. Do you agree?

Yes: Nodules are common in the thyroid. As long as you have thyroid tissues, there is always a chance of a new nodule popping up. If the past surgery was benign, and the new nodule is small, you can follow it with regular ultrasound and act on it (biopsy) only if there are significant changes on the ultrasound. ...Read more

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8 yrs post subtotal thyroidectomy remain thyroid has cystic, complex & solid nodules. Largest solid isoechoic w/o calci is 1.2cmx.8cmx.5 what to do?

Biopsy: Your option is to do an ultrasound guided biopsy on the 1.2 cm nodule or follow it closely with ultrasound and biopsy it if it's growing. The risk of cancer still remain low. ...Read more

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Have 3.4 nodule in thyroid. If thyroidectomy, I'm afraid of weight gain. I am reading stories people gain weight and hormone hard to regulate help?

Not to worry: If you have a thyroidectomy, they will give you thyroid replacement, and when adjusted properly, your thyroid level will be normal, and it will have no impact on weight. It is not hard to regulate. Has the thyroid nodule been biopsied? You may want to see an endocrinologist. ...Read more

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FNA nodule, AFIRMA result suspic thyroid cancer had tot thyroidectomy, pathology has entire specimen yet can't determine if cancer or not why?

False-pos Afirma?: Afirma testing has been in clinical use for several years. It now appears that Afirma testing is clinically useful when it is negative and not when it is positive. This has been my experience and I am not sure there is supporting data regarding this. So, in your case, the Afirma test was probably falsely positive, and that the nodule was benign. My best guess. ...Read more

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A 0.08ml thyroid nodule grew to 1, 44ml over 7y and new 0.03ml nodule found. Hormones ok, taking 50mg levothyroxin, fnac done in 07 - benign, calcitonin 12.3ng/l. Should I get thyroidectomy?

Thyroidologist: Has the new nodule been biopsied? Your cacitonin level sounds indeterminate. It appears you're in good hands and I think such an important decision regarding prophylactic thyroidectomy is best made by both you and your thyroidologist. Usually the presence of more than 1 nodule suggests benign nodules, but nodules are watched more closely in men. ...Read more

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What determines if I need rai treatment after thyroidectomy? I have two nodules which are pappilary thyroid cancer.

What determines if I need rai treatment after thyroidectomy? I have two nodules which are pappilary thyroid cancer.

Depends: Most of the time after thyroidectomy recurrences are treated with rai, but not always younger people surical removal is preferred choice, you have to discuss with your oncology team which is the best method for that particular person. ...Read more

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Can throat cancer not thyroid cancer spread to thyroid bed? I had thyroid cancer 2 years ago and a follow up ultrasound found 7mm nodule on thy bed.

Can throat cancer not thyroid cancer spread to thyroid bed? I had thyroid cancer 2 years ago and a follow up ultrasound found 7mm nodule on thy bed.

Thyroid: This is either a small amount of residual thyroid or more likely a small thyroid cancer recurrence in the thyroid bed. This is one of the most common sites for recurrence. ...Read more

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What to do if I had a ultrasound done and was informed that What to do if I had a hard nodule on the lower pole of the right thyroid lobe.?

What to do if I had a ultrasound done and was informed that What to do if I had a hard nodule on the lower pole of the right thyroid lobe.?

Thyroid nodule: Speak with your doctor. Depending on the specific ultrasound features of the nodule, the presence of other nodules, and within the context of your overall clinical picture, it may need a needle biopsy for a definitive diagnosis. ...Read more

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My ultrasound showed thyroid nodules that are "interdeterminant" the report says with a follow up ultrasound needed in 1 year. What is that?

My ultrasound showed thyroid nodules that are "interdeterminant" the report says with a follow up ultrasound needed in 1 year. What is that?

"Indeterminate": Is not a very specific conclusion, and without any further description or review of the images, it is difficult to speculate what is the basis for the follow up recommendation. Best bet is to talk to your doc about the results. ...Read more

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Already taking levothyroxine for 11yrs in jan ajusted meds but now thyroid is thick with nodules. So waiting on ultrasound. What does this mean?

Already taking levothyroxine for 11yrs in jan ajusted meds but now thyroid is thick with nodules. So waiting on ultrasound. What does this mean?

Very common: Thyroid nodules are very common. They are more common in people with an under active thyroid. An ultrasound will better characterize the nodules and will help determine if any require a biopsy. Most nodules are benign. ...Read more

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Had my baby&could see in the mirror that my thyroid looked big. I told dr but it went down soon after. Ultrasound showed 8mm nodule. Thyroiditis?

Throiditis: Is inflammation of the thyroid gland and yes with a swollen neck and a nodule you do have an inflammatory condition. Acupuncture and chinese medicine can be very helpful (in conjunction with your traditional care) so I would encourage you to find a practitioner in your area to help resolve the underlying condition that lead to this situation. ...Read more

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17 tear old daughter with normal thyroid function with ultrasound showing 5-mm hypoechoic nodule what should next step be and how worried should I b?

Don't worry: Thyroid nodules are very common, especially in females. There are many reasons they develop and the vast majority are benign. Usually the next step for a tiny nodule is to follow it with ultrasound and see how it behaves. If it gets bigger, a sample can be taken with a small needle to be sure that it is not malignant (cancerous). ...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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Hyperthyroidism and nodules. Ths is 0.50 sudden pain in thyroid and feeling unwell, exhaustion, nervousness drskeep sending me for ultrasounds and bl?

Hyperthyroidism and nodules. Ths is 0.50 sudden pain in thyroid and feeling unwell, exhaustion, nervousness drskeep sending me for ultrasounds and bl?

Possible thyroiditis: Symptoms suggest acute thyroiditis. A inflammation of the thyroid which can cause temporary hyperthyroidism. Blood work and perhaps a radioactive thyroid uptake should be able to define the diagnosis. ...Read more

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What does ultrasound of thyroid-red and blood within a nodule mean?

What does ultrasound of thyroid-red and blood within a nodule mean?

Blood flow: The color doppler images show flow within a nodule. This really only indicates the nodule is made of solid tissue with internal blood vessels and, as such, is not a cyst. ...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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Heterogeneous thyroid, my ultrasound stated that diffusely heterogeneous thyroid with no discrete cystic or solid nodule identified.

Heterogeneous thyroid, my ultrasound stated that diffusely heterogeneous thyroid with no discrete cystic or solid nodule identified.

May be autoimmune: Heterogeneous thyroid on ultrasound refers to a thyroid that looks mottled with both dark and light areas throughout. This is a typical finding in people with autoimmune thyroid disease such as hashimoto's thyroiditis or grave's disease. It sounds like there is nothing suspicious that would require biopsy. ...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. Ana Adelstein
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