Tagged Articles

radiation exposure 2 articles

Could X-rays, mammograms be linked to rising thyroid cancer rates?

The incidence of many cancers is decreasing, but thyroid cancer is on the rise. Popular television host Dr. Oz this week suggested the increase could be linked to excessive use of dental X-rays and mammograms. Risk factors for thyroid cancer include hereditary conditions and iodine deficiency, though the latter is rare in the United States because of iodized salts. Thyroid cancer is also four times more likely to occur in women than men, leading some to suggest that estrogen might fuel the growth of thyroid cancer. (Estrogen is also linked to some types of breast cancer.) Another leading risk factor for ... Read More

Heart scan patients may have been over-exposed to radiation

Patents who underwent or will be undergoing cardiac positron emission tomography (PET) scans with rubidium (Rb)-82 chloride injection from CardioGen-82 manufactured by Bracco Diagnostics, Inc. may have inadvertently been exposed to a higher than expected amount of radiation. While the Food and Drug Administration (FDA) believes that the risk of harm from this exposure is minimal, any unnecessary exposure to radiation is undesirable. A CardioGen-82 PET scan is one of a variety of nuclear medicine scans and uses the radioactive drug Rb-82 chloride injection to evaluate the heart. FDA has received reports of two patients who received more radiation than ... Read More