Doctor insights on:
Thyroid Nuclear Scan Or Ultrasound
Different no better: A thyroid nuclear uptake and scan is a functional test of your thyroid. It is useful in differentiating causes of thyrotoxicosis (excessive amounts of thyroid hormones in the body). A thyroid ultrasound is better to assess the anatomy of the thyroid gland and for guidance if biopsy is needed. ...Read moreSee 1 more doctor answer
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
Different no better: A thyroid nuclear uptake and scan is a functional test of your thyroid. It is useful in differentiating causes of thyrotoxicosis (excessive amounts of thyroid hormones in the body). A thyroid ultrasound is better to assess the anatomy of the thyroid gland and for guidance if biopsy is needed. ...Read moreSee 2 more doctor answers
Sometimes: Most scans in the us use radioiodine. In this situation, table salt which contains iodine will interfere with the scan; sea salt generally contains very little iodine and should not interfere much with the test. If you get a tc99m pertechnetate thyroid scan, which is more commonly used in europe, sea salt before the scan is ok. ...Read moreSee 2 more doctor answers
No iodinated salt: The thyroid uptake and scan measures the ability of your thyroid gland to accumulate a radioactive form of iodine (usually i-123). Table salt or seafood contain iodine (a non-radiactive one) that compete with the radioactive iodine use during the test and thus could falsely bias the results. You can use kosher salt which doesn't have the added iodine as in regular salt. ...Read moreSee 1 more doctor answer
Just a test: A thyroid uptake and scan is used to aid the differential diagnosis of newly diagnosed thyrotoxicosis and ideally should use i-123 as the radiopharmaceutical (low energy isotope for testing). If the test shows increased thyroid function such as in grave's disease or multi-nodular goiter i-131 can be use to ablate the thyroid gland if this is desire. ...Read moreSee 1 more doctor answer
Thyroid scan: This scan involves taking orally a small dose of radioactive iodine. The iodine is taken up by the thyroid and produces an image. "cold" areas are places with no iodine uptake. "hot" areas have a lot of uptake. The radiologist also calculates the percent uptake of the iodine. This test is important in the diagnosis of hyperthyoidism, thyroid cancer, and follow up of thyroid cancer. ...Read moreSee 2 more doctor answers
Several things: The result of a thyroid uptake test could be abnormally increased or decreased. In the usa, the normal thyroid uptake range is approximately 10-30% at 24 hours. An increased result may be due to various reasons including: grave's disease, multinodular toxic goiter or hashitoxicosis. A decreased uptake could be due to subacute thyroiditis, iodine or amiodarone induced thyrotoxicosis among others. ...Read moreSee 3 more doctor answers
2 weeks: A low-iodine diet should usually be followed for 2 weeks prior to a thyroid whole-body scan. The rationale behind this is to reduce the chances of non-radiactive iodine (in food and table salt) to compete with the radioactive active iodine use for diagnosis (i-123) and treatment (i-131). ...Read moreSee 1 more doctor answer
I had an ultrasound on my thyroid on 12/2 and today my dr office called and said they want me to go for a nuclear scan. Should i be worried?
Thyroid scan...: Did you have thyroid function tests (blood tests)? There are various reasons to order a thyroid scan. Thyroid scans can be helpful in diagnosing thyroiditis, graves disease, hyper functioning nodules, or thyroid cancer. Ultrasound shows the anatomy but thyroid scan shows the function. If they saw nodules on ultrasound, the thyroid scan will determine if the nodules are hyper/hypo functioning. ...Read moreSee 1 more doctor answer
After having blood work an ultrasound for thyroid nodgel. My doc was a little worried so I had a nuclear scan done. Result normal? Wat does that mean
Do not worry: The ultrasound study probably showed one or more nodular structures within the thyroid gland. These are mostly benign nodules, but a few are malignant. In the nuclear study, benign nodules take up the activity similar to normal thyroid tissue, and malignant do not, resulting in a cold area relative to the remainder of the gland. Apparently, you did not have a cold nodule. You only need watching. ...Read moreSee 1 more doctor answer
I have a thyroid nodule. I've had blood work done an a ultrasound. The doc is a little worried now have to have a nuclear scan. Should I be worried?
Hyperthyroid?: Hi. For your nodule, unless you're hyperthyroid, the nuclear medicine scan will tell you NOTHING your doc doesn't already know from looking at your TSH and free T4. Assuming you're NOT hyperthyroid, the scan will show a "cold" nodule, which we already know if your TSH is normal. You need a fine needle aspiration biopsy for cytology to see if it's cancer. That's it. Then proceed from there. ...Read moreSee 4 more doctor answers
My pth:84 , calcium:10.46 vitd:27 i have done my ultrasound and it seemed to be normal now my Doc suggested to do a nuclear scan. is it important? Why
Parathyroid gland: You may have a small parathyroid adenoma with mild elevation of serum calcium. These mild cases are often watched and not surgically treated. However it's important to be sure of the diagnosis and collaboration of the endocrinologist,radiologist, and a skilled neck SURGEON offer you the best advice and care. ...Read more
I have two thyroid nodgules 1.9cm and 2.1cm I have had nuclear scan and biopsy both came back noncancerous. What would be next treatment if get bigge?
I just found out via nuclear scan that I have a 2cm heteoeneous nodule of the anterior right lobe of my thyroid. Is this something I should be worried?
Needs biopsy: Nodules in thyroid gland mostly benign. However nodule greater than 1 cm needs to be biopsied. Ultrasound would better characterize type of nodule cyst or solid. Usually needle biopsy by interventional radiologist or surgeon. Smaller nodules are watched periodically by ultrasound. ...Read moreSee 1 more doctor answer
5.58 TSH level a month ago with one hot nodule and normal thyroid uptake found on nuclear scan from friday. Not on hormone therapy. Please explain?
If you had a "hot": Nodule, your TSH would be low not high and your thyroid uptake would probably be elevated as well, the so-called nodule may be the only area of your thyroid that is functioning appropriately. Depending upon other factors and other lab, you may have had recent thyroiditis or may even need thyroid replacement. Check w/your doctor and/or consider a thyroid specialist. ...Read more
If my tsh low, t3 (liothyronine) and t4 is normal, is it hypo or hyper thyroidism? Should I take iodine? Ultra sound is normal, without pathology.
Hypothyroid: The answer to this question depends on what your exact levels are and what type of symptoms you have. "Subclinical Hypothyroidsim" sometimes presents in the manner you describe. ...Read more
This scan involves taking orally a small dose of radioactive iodine. The iodine is taken up by the thyroid and produces an image. "cold" areas are places with no iodine uptake. "hot" areas have a lot of uptake. The radiologist also calculates the percent uptake of the iodine. This test is important in the diagnosis of hyperthyoidism, thyroid cancer, and follow ...Read more
From a cardiac perspective nuclear scans are performed with either exercise or medications to examine the blood flow in the heart. Before and at peak exercise the patient is given a radio tracer which travels in the blood to the heart. Pictures are take before and after exercise and compared to evaluate for any blockages in the ...Read more
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