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Doctor insights on: Thyroid Nuclear Medicine Scan

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Dr. TAPAN CHAUDHURI
103 doctors shared insights

Nuclear Medicine (Definition)

The medical specialty of nuclear medicine involves the use of unsealed radioactive pharmaceuticals that can help image molecular flow throughout the body. The medical use of radiopharmaceuticals also includes the treatment of some cancers and bone pain. Nuclear medicine is separate from diagnostic radiology, which utilizes the use of external (sealed) radioactivity ...Read more


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How long do I have to wait after a nuclear medicine thyroid scan, i-123, to have a fna biopsy and/or thyroid blood tests?

How long do I have to wait after a nuclear medicine thyroid scan, i-123, to have a fna biopsy and/or thyroid blood tests?

You don't wait.: Generaly speaking you do not need to wait at all after having an I 123 thyroid scan to have a biopsy. You usually have the biopsy scheduled after the results of the thyroid scan are interpreted which usually takes a day. The radiation from the I 123 is minimal . ...Read more

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Whats a nuclear medicine scan?

Whats a nuclear medicine scan?

A radiology test: A nuclear scan is a type of radiology study that involves getting injected (or taking orally) a small dose of radioactive tracer that can be imaged by nuclear medicine specific scanners. It is unique in that it measures the physiology of the specific tracer instead of a person's anatomy. Typically, the radioactivity dose used for these exams is minuscule and presents no/little risk. ...Read more

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How come it's "safe" to take the nuclear stuff for a nuclear medicine scan?

SMALL DOSE: It is relatively safe to take nuclear stuff for medical reason because the information you receive from the nuclear medicine scan (benefit) outweighs the small risk (small amount of radiation) that you receive from it. It has less risk that an x-ray, less risk than cigarette smoking, less risk than flying from new york to los angeles, and less risk than spending a day at the beach under hot sun. ...Read more

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I had nuclear medicine scan and was told I had an increased ischium vertabrae. Is that cause of severe lower back pain?

I had nuclear medicine scan and was told I had an increased ischium vertabrae. Is that cause of severe lower back pain?

Let me explain: Positive bone scan on these area means abnormal activity in those areas, the thing related to your back pain is the vertebrea which coulsd a lot of things, check whith your dr to see what that mens to you.Good luck, thank you. ...Read more

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I had a nuclear medicine scan and was told i had an increased ischium vertabrae. Can this cause severe lower back pain?

I had a nuclear medicine scan and was told i had an increased ischium vertabrae. Can this cause severe lower back pain?

Maybe: Sounds like you had a nuclear medicine bone scan. An abnormal finding on this study could certainly help identify the cause of low back pain. The term "ischium vertebrae" is not commonly used, I have not run across it before. Would get clarification from the person who interpreted your scan so you can more clearly know what is going on. The ischium is a pelvic bone separate from the vertebra. ...Read more

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What is the side effects of nuclear medicine uptake on thyroid?

No effect: Low radiation dose thyroid uptake test with radio tracer i123 or i131. Thyroid gland picks up the iodine tracer. I-123 has a shorter half life than i-131 (13 hrs vs. 8.1 days), so use of i-123 exposes the body to less radiation. Thyroid gland function not affected by scan. Should not have test if pregnant or breast feeding. Tests are for thyroid function determining hypo vs hyperthyroidism. ...Read more

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Nuclear medicine scan thyroid: is there a wait period after doing nuclear medicine scan for hot or cold nodule before a fine needle aspiration biopsy?

Nuclear medicine scan thyroid: is there a wait period after doing nuclear medicine scan for hot or cold nodule before a fine needle aspiration biopsy?

Nope: Typically not. The radioactivity decays pretty fast and is typically a super low dose, so it would not interfere. I have seen people get biopsied the very next day. ...Read more

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What is the definition or description of: nuclear scans?

Nuclear medicinetest: A nuclear scan refer to a medical imaging study performed in nuclear medicine, using intravenous, oral administration or inhalation of radionuclide tracers ( weakly radioactive material). According to the type of radiotracers injected, the physician will be able to evaluate the function of the heart, brain, liver, kidneys, bones, lungs, as well as cancer. Inflammation, or organ infection. ...Read more

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Are nuclear scans accurate for diagnosing gallbladder troubles?

Yes for acute: The accuracy of cholescintigraphy (nuclear scan) for diagnosis of acute calculous cholecystitis has been greater than 95%, and the accuracy for acute acalculous cholecystitis is only slightly less. A normal scan with gallbladder visualization almost always excludes a diagnosis of acute cholecystitis. ...Read more

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Dr. Guido Davidzon
111 doctors shared insights

Nuclear Scans (Definition)

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


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