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Doctor insights on: Nuclear Radiation Effects

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Fukushima radiation poisoning, what health effects?

Fukushima radiation poisoning, what health effects?

It depends on where: It is dependent on where you live? Unless you are living in that area, it should not cause you any concern. So tell us more about yourself and why you posed this question? ...Read more

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Side effects of radiation dyes in system?

Side effects of radiation dyes in system?

Radioactive Dyes or: 'tracers' are special dyes usually given through an IV as part of a nuclear medicine study. Tracers contain a small amount of a radioactive isotope that decays naturally over time and is eliminated in the urine and stool. Most nuclear med procedures are painless except for mild discomfort associated with the iv. Allergic reactions to tracers are rare. Inform the tech if you could be pregnant. ...Read more

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How can ionizing radiation from nuclear explosions cause cancer?

How can ionizing radiation from nuclear explosions cause cancer?

Damaging genes: Inhaling or ingesting the radioactive particles that come from the explosing is also risky -- in fact, after chernobyl, most of the problems are thyroid concerns from the iodine. People in hiroshima and nagasaki had a significant rise especially in rates of leukemia, civilians exposed to tests had less cancers long-term than many had feared. ...Read more

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What are potential side effects of CT scan due to radiation exposure?

What are potential side effects of CT scan due to radiation exposure?

Depends: I depends on how old you are when you get the scan. The younger you are and the more scans you get the higher the risk. Some studies say there is significant risk for white blood cell cancers. A one off scan is unlikely to cause cancer in itself but it not entirely risk free. If there is a good reason to do the test it would have to be balance against the risk of the scan. ...Read more

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How does radioactivity and electromagnetic radiation induce cancer?

How does radioactivity and electromagnetic radiation induce cancer?

Does; doesn't: Radioactivity produces ionizing radiation that damages the genes. I would urge you to ignore "pop" / "scare" stories about electromagnetic fields causing cancer. They're based on anecdotes and retrospective questioning which generates junk findings. There's no obvious mechanism and the electricity of your beating heart is a stronger exposure than nearby power lines. ...Read more

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Side effects from cancer radiation?

Depends: This depends on the site of your body being treated, and the dose of radiation being administered. It also depends on whether chemotherapy is also being used. Your radiation oncologist should be able to answer your question. ...Read more

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Long term effects of chemotherapy for breast cancer vs radiation?

Long term effects of chemotherapy for breast cancer vs radiation?

Other cancers : Chemotherapy long-term can increase the likelihood of developing bloodstream cancers such as leukemia radiation treatment can cause tissue scarring and also increase the possibilty of developing other cancers such as sarcoma. ...Read more

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Nuclear cardiology stress test--how much radiaiton?

Nuclear cardiology stress test--how much radiaiton?

Radiation exposure: There most certainly is radiation exposure with nuclear cardiology stress testing whether it is with thallium, sestamibi, or any of the pet imaging agents. The exposure is minimal but real and the risk vs. Benefit to the patient needs to be considered before ordering the study. Pregnant women should not have these studies and young women can have a very small but increased risk of breast cancer. ...Read more

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Can nuclear medicine procedures affect CT scans?

Can nuclear medicine procedures affect CT scans?

Not usually: 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. ...Read more

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Long term effects of radiation therapy for breast cancer vs surgery?

Long term effects of radiation therapy for breast cancer vs surgery?

Mulltiple: Long term effects of radiation therapy for breast cancer include: radiation fibrosis of lung lymphedema of the affected side upper extremity myocardial injury hypothyroidism brachial plexus injury risk of second neoplasm (radiation induced malignancy). ...Read more

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After effects of radiation therapy for breast cancer?

After effects of radiation therapy for breast cancer?

Side effects include: Acute effects include erythema hyperpigmentation of skin, moist desquamation of skin long term effects of radiation therapy for breast cancer include: radiation fibrosis of lung lymphedema of the affected side upper extremity myocardial injury hypothyroidism brachial plexus injury risk of second neoplasm (radiation induced malignancy). ...Read more

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Radiation exposure risk from nuclear cardiac stress test with thallium? Done in 2004. Also abdominal pelvis CT in 2010. Cumulative exposure risk?

Radiation exposure risk from nuclear cardiac stress test with thallium? Done in 2004. Also abdominal pelvis CT in 2010. Cumulative exposure risk?

Depends on specifics: Effective radiation dose from thalium stress test is about 17msv. Agents used today achieve much lower doses.Ct abd/pelvis radiation dose depends on many factors -automatic tube current modulation, body habitus & multi vs one phase - on average about 10-15msv.Newer techniques have significantly reduced the dose.To put it in perspective we all receive about 3msv each year from background radiation. ...Read more

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Do hida scans expose patients to dangerous levels of radiation?

Do hida scans expose patients to dangerous levels of radiation?

Small dose: If i recall correctly, the total dose of radiation from a hida scan is equivalent to about a year of exposure to the low-level radiation from the environment, so quite low. ...Read more

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Is there any risk of radiation poisoning after myocardial perfusion scan?

No: Radiation poisoning occurs at exposures of 1000 msv and greater ( http://sgoti.Ws/plwzai ). The radiation exposure from a myocardial perfusion scan is around 10 msv and has never been shown to be harmful, although it is recommended to only get medical imaging performed when appropriate in order to minimize any theoretical cumulative risks of radiation. ...Read more

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Prostate cancer - are there side effects of radiation therapy?

Prostate cancer - are there side effects of radiation therapy?

YES: External beam: skin becomes red, swollen, warm, and sensitive, as if sunburn which subsides gradually in four to six weeks. Possible side effects: erectile dysfunction and urinary symptoms of frequency, bleeding, or, rarely, incontinence. ...Read more

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Does brachytherapy for prostate cancer have the same side effects as beam radiation?

Does brachytherapy for prostate cancer have the same side effects as beam radiation?

No: Though both types of radiation are delivered to the prostate the brachytherapy has higher levels of radiation that cause more urinary symptoms than external beam. The external beam radiation has greater side effects on the rectum where as a properly performed brachytherapy procedure should have virtually no rectal symptoms. ...Read more

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Is 0.001 mSv of radiation enough to cause radiation sickness?

Is 0.001 mSv of radiation enough to cause radiation sickness?

Not nearly enough: The lowest dose of radiation known to cause radiation sickness is 35 reads which equals 350 mSv. Thus, .001 mSv is 1/350,000th of the lowest dose known to cause radiation sickness! ...Read more

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Any effects of radiation for breast cancer?

Any effects of radiation for breast cancer?

Cure (we hope): Radiation therapy is a very effective way to "sterilize" the breast after lumpectomy, reducing the chance of cancer coming back in the breast. Modern techniques allow the radiation oncologist to target the breast & minimize exposure elsewhere, namely the lungs & heart. Depending on breast size & smoking history, some people will have more breast scarring than others; most people are satisfied. ...Read more

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How do diagnostic radiography, radiation therapy and nuclear medicine differ?

How do diagnostic radiography, radiation therapy and nuclear medicine differ?

Different radiation: Radiography or x-ray involves low dose ionizing radiation with images of chest , skeleton, skull etc. Radiation therapy uses high dose ionizing to treat tumors with external or internal irradiation. Nuclear medicine involves low dose ionizing radiation in form of isotopes that are internally injected intravenously. Inhaled, injected subcutaneously, or ingested orally. ...Read more