nuclear medicine side effects

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

No effect

Thyroid_gland
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.
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Dr. Akiva Mintz answered:

Whats a nuclear medicine scan?

A radiology test

Radiology
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.
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How does nuclear medicine do a bone scan?

Tc-99m-MDP Bone Scan

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Bone scan often provides an earlier diagnosis and demonstrates more lesions than are found by radiographic procedures.Tc-99m-MDP (methylene diphosphonate) is a bone seeking agent that concentrates in the mineral phase of bone. 2-3 hours after injection,50%-60% of the activity localizing in bone and the remainder is cleared by the kidneys. F18-NaF bone scans are done with PET cameras, r + expensive
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What are the limitations of nuclear medicine?

Spatial resolution.

Skeleton
Nuclear medicine studies typically are functional tests that study the body's physiology. Radiologic exams, CT, U/S and MRI are far superior for studying the anatomy.
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What are the pros and cons of nuclear medicine?

Pro: functional

Bone_scan
Nuclear medicine is functional imaging of organs of body with radio tracers. Pros: early detection of myocardial infarction, differentiation of urinary obstruction from stasis, early detection of bone infection, gall bladder disease with normal anatomic studies, PET detecting very small areas of metastatic disease. Cons: Uses small doses of ionizing radiation.
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Advantages and limitations of nuclear medicine?

Physiologic study

Thyroid_scan
Nuclear scans involve ingestion, intravenous injection, inhalation, subcutaneous injection , instillation into bladder of isotopes, radiotracers, in order to see function of various organs of body,heart,lungs, bones, liver/spleen,stomach, thyroid, lymph system,kidneys,bladder,brain,parathyroid gland and gall bladder.Normal values for adults and children are known.Radiation involved,not anatomic
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Can nuclear medicine procedures affect ct scans?

Not usually

Abdominal_ct_scan
Not usually nuclear medicine affecting CT but the opposite. However CT scan with intravenous iodine contrast materials can affect thyroid scans and thyroid uptake. Renal GFR studies using Glofil with I125 are also affected by iodine contrast of CT.
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Dr. David N. Dang answered:

What is nuclear medicine? And what does it treat?

Nuclear

Nuclear medicine is a branch of radiology and is medical specialty. Nuclear medicine uses radioisotopes to evaluate physiological activity of both normal body organs as well as of malignancy. With a few exceptions such as the use of contrast xray, CT, US or MRI for the most part study the anatomy and anatomical changes associated with diseases. Nuclear medicine studies physiological processes. This may involve study of contraction of the heart to evaluate for cardiac dysfunction, flow of cerebral spinal fluid to evaluate for potential obstruction, contraction of the gallbladder to find out why some has abdominal pain after meals. It can also evaluate whether a tumor or growth exhibits certain aggressiveness by seeing how much sugar it takes up comparing to normal tissues and whether that growth has spread elsewhere in the body. Nuclear medicine can also be used to treat a few disease. This is particularly in thyroid diseases where Iodine 131 can be used to ablate the thyroid gland and or some of the thyroid cancers. There is a subset of nuclear medicine that uses molecular imaging where a molecule is used to target a certain particle or cells in the organ or tumor. You can also review the follow links for additional info, provided by the American College of Radiology: http://www.radiologyinfo.org/en/info.cfm?pg=gennuclear http://www.radiologyinfo.org/en/careers/index.cfm?pg=nmcareer
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Dr. Kris Gast answered:

Is cancer chemotherapy a type of nuclear medicine?

Chemotherapy nuclear

Chemotherapy is a chemical, usually a toxic chemical that one would consider poison if used in a particular way. It is in no way nuclear or radioactive. That would be radiation.
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What is the examples of medicine of nuclear medicine ?

Nuclear medicine...

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Nuclear medicine uses radionuclides for both diagnosis and treatment of diseases. One of the most common nuclear medicine treatments is the use of radioactive iodine to treat thyroid disorders such as thyroid cancer, Graves' disease, or toxic multinodular goiter. Another example is Zevalin for treatment of lymphoma.
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