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Doctor insights on: Thyroid Tissue Left Behind After Thyroidectomy

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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

Tissue (Definition)

The body is composed of tissue that are classically described as beiing derived from three basic embyonic layers known as the endoderm, mesoderm and ectoderm that then differentiate into the structures that compose the body such as skin, soft tissues, bone, muscle, organs, etc. Stem cells are not differentiated and have the potential to ...Read more


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I still have high thyroid perox AB levels after a thyroidectomy(cancer). Are high levels normal or could there be some thyroid tissue still? Thx

I still have high thyroid perox AB levels after a thyroidectomy(cancer). Are high levels normal or could there be some thyroid tissue still? Thx

Antibody is not: dependent on thyroid tissue. The body makes antibodies by different cells than the thyroid. The antibodies can persist even if no thyroid tissue is left. ...Read more

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Totally thyroidectomy 2012 2013 u/s showed nothing 2015 us showed 6mm ? Residual thyroid or benign appearing lymph node. I think dr left tiny piece in

Totally thyroidectomy 2012 2013 u/s showed nothing 2015 us showed 6mm ? Residual thyroid or benign appearing lymph node. I think dr left tiny piece in

Total thyroidectomy: A surgeon doing a total thyroidectomy will always leave a small amount of tissue in order to avoid causing compications of recurrent laryngeal nerve injury or hypoparathyroidism. If thyroid cancer was found during surgery, one can get radioactive iodine to ablate the residual tissue. Finding a 6 mm nodule on ultrasound does not necessarily mean that there is recurrence of cancer. ...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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Dec 2006 total thyroidectomy for papillary carcinoma & neck dissection bc in nodes...Now us shows tissue in thyroid bed...What is it ?

Dec 2006 total thyroidectomy for papillary carcinoma & neck dissection bc in nodes...Now us shows tissue in thyroid bed...What is it ?

Residual thyroid: The surgeon cannot remove every last remnant of thyroid. This is why RAI is often given after thyroidectomy, to mop up any residual thyroid tissue-normal or cancerous. The US may just be detecting residual thyroid that the surgeon did not get. See your Endocrinologist. ...Read more

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I had a partial thyroidectomy on my left and right thyroid about 6 weeks ago. But i still feel dizzy and easily exhausted, is this normal?

I had a partial thyroidectomy on my left and right thyroid about 6 weeks ago. But i still feel dizzy and easily exhausted, is this normal?

Can be, see your MD: Why did you have the partial thryoidectomy? If you have residual thyroid tissue, you probably have some natural thyroid hormone in the body. You should have your thyroid level checked and see if it is normal. Most thryoid hormone replacement is a T4 replacement. Some people don't feel completely normal with just T4 and need T3 (liothyronine) replacement as well. I would give it a little more time if nl levels. ...Read more

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3/3 hr 104-118 even when resting cause? History hyperthyroidism controlled w/left thyroidectomy no thyroid medicine hbp have right side of thyroid

3/3 hr 104-118 even when resting cause? History hyperthyroidism controlled w/left thyroidectomy no thyroid medicine hbp have right side of thyroid

TSH? : Check your tsh. There is an entity called "inappropriate sinus tachycardia" in which people have a high resting heart rate for no reason, but excess thyroid would have to be ruled out first as well as many other possible contributing factors. You would need a full evaluation with echocardiogram, chest x-ray, & blood work as a starter. ...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?

Uncertain: The only way to tell what the tissue in the thyroid bed is would be to do a needle biopsy. There could be scar tissue. There could be recurrent tumor. If the thyroid tumor picked up rai then a nuclear scan could show if there is recurrent tumor corresponding to the ultrasound findings. Talk with your oncologist. ...Read more

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Thyroidectomy & thyroglobulin levels i had my right thyroid gland removed in april 2011 and then when they did the biopsy, it showed cancer cells so they had to remove my left thyroid gland the following week. I had rai in july 2011. I had my 6 month foll

Thyroidectomy & thyroglobulin levels i had my right thyroid gland removed in april 2011 and then when they did the biopsy, it showed cancer cells so they had to remove my left thyroid gland the following week. I had rai in july 2011. I had my 6 month foll

Persistent: Thyroglobulin levels may remain elevated after a total thyroidectomy and rai due to persistent tumor cells in neck lymph nodes, distant metastasis, or residual thyroid tissue remaining from the time of surgery. Some additional tests, like a neck ultrasound and/or a thyroid metastasis scan can be helpful in obtaining an answer. ...Read more

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Dr. William Culviner
353 doctors shared insights

Thyroidectomy (Definition)

This is the removal of all or part of the thyroid gland. It is generally performed for rumors of the gland, occasionally for enlarged and hyper functioning glands that do ...Read more


Dr. Heidi Fowler
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