Breast cancer risk estimates increased with repeated prior CT and nuclear...
Researchers reviewing the records of approximately 250,000 women enrolled in an integrated healthcare delivery system found that increased CT utilization between 2000 and 2010 could result in an...
View ArticleScatter radiation from mammography presents no cancer risk
The radiation dose to areas of the body near the breast during mammography is negligible, or very low, and does not result in an increased risk of cancer, according to a study presented today at the...
View ArticleMore U.S. kids get high-radiation scans, study says
(HealthDay)—Increasing numbers of U.S. children undergo diagnostic imaging tests such as MRIs and CT scans, and higher-radiation tests account for a growing proportion of these procedures, researchers...
View ArticleLarge study identifies risk factors for multiple myeloma
Multiple myeloma is a type of leukaemia which affects B lymphocytes. There have been some indications that exposure to pesticides or chlorinated solvents increases the risk of developing this cancer....
View ArticleBenefits of CT outweigh cancer risks in young adults
The underlying medical conditions facing young adults who undergo computed tomography (CT) exams represent a significantly greater health risk than that of radiation-induced cancer from CT, according...
View ArticleStudy of Atomic-Bomb Survivors: Even lower levels of ionizing radiation...
In one of the largest and longest follow-up studies ever conducted to assess the effects of ionizing radiation upon the development of soft tissue sarcomas in humans, the investigators found that much...
View ArticleSmall molecules in the blood might gauge radiation effects after exposure
Ohio State University cancer researchers have identified molecules in the bloodstream that might accurately gauge the likelihood of radiation illness after exposure to ionizing radiation.
View ArticleDeficiency in p53 anti-tumor protein delays DNA repair after radiation
Researchers at Moffitt Cancer Center have found that a deficiency in an important anti-tumor protein, p53, can slow or delay DNA repair after radiation treatment. They suggest that this is because p53...
View ArticleWhen less is more: New protocol limits use of SPECT MPI
A new stress test protocol that investigates reducing the use of perfusion imaging in low risk patients undergoing SPECT myocardial perfusion imaging for possible angina symptoms was found to be...
View ArticleResearchers provide prospective on low-dose radiation biology controversy
A review of the current issues in low-dose radiation research authored by two radiation biologists from the Pacific Northwest National Laboratory is the cover story of the May 2013 issue of Radiation...
View ArticleReducing unnecessary and high-dose pediatric CT scans could cut associated...
A study examining trends in X-ray computed tomography (CT) use in children in the United States has found that reducing unnecessary scans and lowering the doses for the highest-dose scans could lower...
View ArticleSPECT/MR molecular imaging system makes its debut
The Society of Nuclear Medicine and Molecular Imaging's 2013 Annual Meetingmarks the unveiling of the successful application of a new preclinical hybrid molecular imaging system—single photon emission...
View ArticleGarlic oil may ease adverse effects of chemotherapy and radiation
(Medical Xpress)—Demand has grown recently to find more natural ways to reduce the adverse effects of the two major methods for cancer treatment, ionizing radiation and chemotherapy. A new study in the...
View ArticleNew technology to measure radiation exposure in pilots
(Medical Xpress)—Researchers from the University of Wollongong have developed a unique device that measures how much radiation pilots and astronauts are exposed to.
View ArticleTomosynthesis reduces breast cancer screening recall rate
Digital tomosynthesis is an effective tool for reducing the recall rate in breast cancer screening, according to a new study published online in the journal Radiology.
View ArticleObservation in the ER can reduce CT scans in kids
The longer a child with minor blunt head trauma is observed in the emergency department, the less likely the child is to require computed tomography (CT) scan, according to the results of a study...
View ArticleToxicologist says NAS panel 'misled the world' when adopting radiation...
In two recently published peer-reviewed articles, toxicologist Edward Calabrese of the University of Massachusetts Amherst describes how regulators came to adopt the linear no threshold (LNT)...
View ArticleHeart MRI test can identify patients at high risk of heart attack, death
An imaging test commonly used to diagnose coronary artery disease has an untapped potential to predict which patients with the disease are at the greatest risk for heart attacks and other potentially...
View ArticleRadiotherapy in girls and the risk of breast cancer later in life
Exposing young women and girls under the age of 20 to ionizing radiation can substantially raise the risk of their developing breast cancer later in life. Scientists may now know why. A collaborative...
View ArticleIonizing radiation exposure promotes fusion oncogene formation
The accident at the Chernobyl nuclear power plant exposed hundreds of thousands of individuals to high levels of ionizing radiation. In the years immediately following the disaster, there was a sharp...
View ArticleCancer patients want more information about medical imaging risk
A substantial gap exists between patient expectations and current practices for providing information about medical imaging tests that use radiation, according to a new study published online in the...
View ArticleLow-dose radiation impacts skin sensitivity
In experiments where human skin tissue samples were exposed to low doses of ionizing radiation, scientists at Pacific Northwest National Laboratory found that a skin tissue model showed perturbations...
View ArticleA new cellular response to radiation exposure
Almost the entire human genome is transcribed into RNA, but only a fraction of this is actually used to produce protein. The function of the majority of the RNA, the so-called "non-coding...
View ArticleDetecting blood clots with portable device
Blockages in lung arteries could be diagnosed safely in real-time helping as many as 20,000 respiratory patients in Australia each year with emerging technology being developed by electrical...
View ArticleSome radiation okay for expectant mother and fetus
According to a new study in the Journal of the American Academy of Orthopaedic Surgeons (JAAOS), imaging studies necessary to diagnose traumatic injuries sustained by pregnant women are safe when used...
View ArticleChildren's hospitals shift from CT scans for common childhood health problems
A study published online Aug. 24 by the journal Pediatrics finds a significant decrease in the use of computed tomography (CT) scans at children's hospitals for 10 common childhood diagnoses including...
View ArticlePreventing radiation in cancer therapies to damage healthy organs
When a person receives radiation cancer treatment, he or she is exposed to ionizing radiation; to prevent damaging healthy tissue, Dr. Guerda Massillon, researcher at the National University of Mexico...
View ArticleLab keeps cancer treatment radiation machines honest
As radiation sources used to map disease and attack cancer grow in number and complexity, a University of Wisconsin—Madison center continues to offer the last word on accurate radiation doses.
View ArticleStudy shows dried plums provide protection from bone loss due to radiation
Dr. Nancy Turner, a Texas A&M AgriLife Research scientist in College Station, was one of a team of researchers who recently studied different interventions to protect from radiation-induced bone loss.
View ArticleExpert: what parents should ask before their kids' X-rays, CT scans
Whether a child is complaining of intense stomach pain or has a head injury after a car crash, doctors may recommend a computed tomography, or CT scan, to investigate possible injuries.
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