Doctor insights on:
Nuclear Medicine Whole Body Scan
Hi, I had a question. I recently had a whole body Nuclear Medicine bone scan done and the report says "Unremarkable tracer localization is seen in the osseous structures, what does this mean?
Bone scan: The fact that the interpreting md. Stated it appears unremarkable is an indication that your scan is normal. The description about the distribution is the regular venacular describing the normal uptake by the bone (osseous means our bony skeleton) of the material that has been injected. ...Read more
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
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
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
Tc-99m-MDP Bone Scan: 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. ...Read more
What are the benefits and risk for nuclear medicine procedures? I heard that there will be radiation exposure associating with the procedures, how harmful is this to my body?
Physiologic study: Nuclear medicine involves using internal irradiation in order to define function of various organ systems of body, . Some isotopes are injected iv, inhaled, and some ingested. Most diagnostic nuclear medicine procedures involve low doses of radiation. The isotopes of higher doses are used to treat thyroid diseases or cancer. Benefits are from diagnosis of abnormality that can be detected/ treated. ...Read more
My hida scan was unable to be done due to the nuclear medicine staying in my gallbladder and not releasing into my bowel. Does this mean my gallbladde?
Need more info:
If the scan was a hida with cck (sincalide) augmentation, and the gallbladder (gb) filled with radioactive bile and then did not empty when cck was given, the gb ejection fraction should be low, and that indicates gb dysfunction.
If the radioactive substance (hida) did not even make it into the gb, it could be chronic or acute cholecystitis.
Either way, please see your healthcare provider. ...Read more
I had nuclear medicine scan and was told I had an increased ischium vertabrae. Is that cause of 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
Quite different: Ct involves xray type radiation with cross sectional imaging in transaxial, sagittal, and coronal projections. Nuclear medicine, internal irradiation either injected intravenously, inhaled, ingested, injected subcutaneously. Ivp uses injection of contrast material for visualization of kidneys and bladder with x-ray. Mr imaging uses no ionizing radiation magnetic fields to generate x-sectional images. ...Read more
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
Detailed anatomy: No imaging study has all of the information or answers, however nuclear medicine is especially helpful to identify physiology in the body. That is. The function. What nuclear medicine does not do well is look at the fine details of anatomy. Ct and MRI are great for looking at anatomy. ...Read more
Pro: functional: 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. ...Read more
Nuclear imaging allows one to see physiologic function. The use of new nuclear fusion imaging such as pet/ct allows physicians to get the best of both worlds and see anatomy and function simultaneously.
One must always remember that nuclear procedures contribute to a patient's radiation exposure but the benefits of the nuclear procedure usually outweigh the risks of the radiation. ...Read more
Physiologic study: Nuclear medicine involves using internal irradiation in order to define function of heart, lungs, bones, liver/spleen, stomach, thyroid gland, lymph system, kidneys, bladder, brain, parathyroid gland and gall bladder. Some isotopes are injected iv, inhaled, and some ingested. Isotopes of higher doses are used to treat thyroid diseases.Amount of irradiation controlled for individual & environment. ...Read more
Many: Nuclear medicine covers a large number of medical conditions, including diagnosis and some treatments. Scans are routinely done in for the brain, thyroid gland, parathyroid, lung, heart, liver, spleen, bone and other organs. These scans are used to diagnose multiple acute and chronic diseases. Treatment of thyroid disease and some malignancies are also performed in nuclear medicine. ...Read more
Certainly: Risk of some irradiation. Dosage usually low and affects grown adult less than child. Certainly finding source of disabling pain or suffering whether gb, bone, kidney, thyroid, myocardium etc important. Always way benefits versus risk. Nuclear medicine tests determine function and physiology which usually not seen by mr, x-ray, ultrasound, or ct. Pet? Ct has bee instrumental in finding occult tumor. ...Read more
Molecular Imaging: 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 to image the body. ...Read more
Molecular imaging: Nuclear medicine has the ability to examine the molecular basis of disease by using very low levels of radioactivity that targets the disease-specific biomarkers and specific organs. The downside is it uses radioactivity (very little) and has somewhat limited resolution, but the modern scanners are attached to other modalities such as ct or mri. ...Read more
Physiologic study: Nuclear scans involve the ingestion, intravenous injection, inhalation, subcutaneous injection, instillation into the bladder of isotopes, radiotracers, in order to define function of various organs of the body, heart, lungs, bones, liver/spleen, stomach, thyroid gland, lymph system, kidneys, bladder, brain, parathyroid gland and gall bladder. Normal values for adults and children are known. ...Read more
Not usually: The pain usually is short lived from an intravenous injection of the radiotracer. Some people experience pain from hida studies for gall bladder function and chest discomfort from cardiac stress tests. Patient is monitored by medical personnel. The patient is usually imaged in the lying down position. Imaging time is variable and can last few hours, but is intermittent and not continuous. ...Read more
How long does it take for the nuclear medicine procedures to take effect? Is it a long process and how costly is it usually?
Most tests are less: Than 1 hour to 4 hours total, with generally less than 1 hour "under the camera". The radiopharmaceutical agent (a radioactive element, usually technetium, bound to a drug) is injected (usually), and the patient waits for the agent to distribute throughout the body, and then the distribution of the radiation is imaged on the camera. A few tests require imaging at 24, or even 48 hours later. ...Read more
How does nuclear medicine cure diseases? Can anyone give an example of how nuclear medicine is used to cure diseases? I don't understand how it works.
The: The best example of how nuclear medicine is used to cure diseases is treatment of thyroid cancer or graves' disease (a form of hyperthyroidism). In both cases the goal is to destroy thyroid tissue. The thyroid gland contains a large amount of iodine which it uses to produce thyroid hormone. Once iodine is ingested, a large amount is concentrated within the thyroid gland. Nuclear medicine harnesses this principal to destroy thyroid tissue by giving the patient a radioactive form of iodine (i-131). This radioactive iodine is concentrated in the thyroid gland. The isotope primarily releases beta radiation which destroys the surrounding tissue (most of which is thyroid tissue). If there is thyroid cancer in the area, the cancer is also destroyed. ...Read more
Which diseases are treated with nuclear medicine? I've read online about the diagnostic properties of nuclear medicine, but there is little information about the diseases which can be treated with nucleur medicine. Which diseases are treated with nuclear
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
Nuclear medicine is use of internal ionizing radiation in form of radioisotopes by intravenous injection, ingestion, catheterization of bladder or inhalation. Functional imaging is performed of skeleton, heart, brain, thyroid, liver, spleen kidneys, bladder, lymph system, gallbladder, etc.
Gamma rays instead of xrays. Radiography and MRI are anatomic imaging. ...Read more
Nuclear medicine uses isotopes mainly for functional diagnoses of disorders of gall bladder, heart, brain, lungs, thyroid, bones, kidneys and bladder. Nuclear medicine has a few therapeutic uses including thyroid ablation and therapy for prostate bone metastases. Radiotherapy can
involve radiation therapy with xray and proton beams, not considered part of nuclear medicine. ...Read more
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