Ionizing Radiation Current Events | Ionizing Radiation News | 3
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Mechanism controlling DNA damage response has potential novel medical applications
Investigators at St. Jude Children's Research Hospital have discovered a previously unrecognized mechanism that controls a key protein linked to the cell's response to stress-a finding that holds promise for new ways to enhance cancer therapies or protect cells from dying after exposure to damaging chemicals or radiation. view more (2005-10-07)
MDCT Angiography Helps Lead to Successful Treatment of Patients with Severely Blocked Arteries in the Legs
MDCT angiography leads to accurate recommendations for successful treatment of patients with critical limb ischemia, sometimes allowing the patients to avoid more complicated surgery, according to a study performed at the Medical University of Vienna, Vienna, Austria. view more (2009-06-04)
CT Scans Increase Cancer Risk Estimates in Multiply-Imaged Emergency Department Patients
Physicians should review a patient's CT imaging history and cumulative radiation dose when considering whether to perform another CT exam. view more (2009-05-06)
New radiation protection technique results in reduced physician exposure
A new radiation protection technique can significantly reduce physician radiation exposure during coronary angiography, according to a researcher at the University of Maryland Medical Center in Baltimore, MD. view more (2006-05-03)
Men with prostate cancer avoid radiation due to misconceptions
Negative perceptions about radiation therapy can strongly influence a prostate cancer patient's choice to avoid external beam radiation therapy, even though studies have proven the treatment to be as safe and effective as other treatments for the disease, including surgery. view more (2006-11-06)
Radiation costs vary widely by delivery, U-M study finds
When cancer spreads to the bone, radiation treatments can help relieve the pain caused by the tumor. But how best to deliver the radiation may vary widely from one oncologist to the next. view more (2009-10-09)
Breakthrough in radiotherapy promises targeted cancer treatment
Current radiation therapy treatment damages a patient's healthy tissue as well as eradicating the tumour it is intended to destroy, making the treatment especially invasive and often causing nasty side effects. view more (2009-05-20)
Combination therapy shows improvement for breast cancer patients
Giving radiation therapy and chemotherapy at the same time after a lumpectomy helps keep breast cancer from returning locally. view more (2006-12-01)
Iterative reconstruction technique significantly reduces patient radiation dose during CT scans
Computed tomography (CT) scans are responsible for more than two thirds of the total radiation dose associated with medical imaging exams. view more (2009-08-19)
Tackling the threat of nuclear terrorism
The only effective way to tackle the threat of nuclear terrorism is to abolish nuclear weapons and establish strict international control of all fissile materials that could be used to make new weapons, argue three US physicians in this week's BMJ. In the aftermath of 11 September 2001, nuclear terrorism has emerged as a real threat and could... view more... (2002-02-06)
Combination therapy reduces tumor resistance to radiation
Radiation is used to treat a variety of tumors and the response of tumors to radiation is dependent on endothelial cell death, which in turn limits oxygen delivery to the tumor, causing hypoxia and tumor cell death. view more (2007-06-08)
Largest PSA bounce study eases worry of prostate cancer returning
Prostate cancer patients who have a temporary rise in their prostate specific antigen (PSA) levels after radiation therapy-called a PSA bounce-are not at an increased risk of their cancer coming back any more than those who don't have a temporary rise. view more (2006-11-09)
Cancer Gene Radiation Therapy Discovery
Dr Tracy Robson, a lecturer in molecular radiation science at the University's Jordanstown campus, has isolated a novel gene, called DIR-1, which can alter a tumour cell's susceptibility to radiation therapy. view more (1999-09-20)
Experimental agents may prevent radiation-induced leukemia
Treatment with biphosphonates could prevent radiation-induced leukemia, according to data presented at the American Association for Cancer Research 100th Annual Meeting 2009. view more (2009-04-20)
Towards predicting late-stage radiation toxicity
Radiation is a brutal and in many cases necessary part of cancer therapy. More 50% of cancer patients receive radiotherapy as part of their treatment, and many experience concurrent negative side effects. view more (2006-10-31)
University Scientists Will Not See the Eclipse...At Least, Not With Their Eyes!
The sun constantly radiates energy across the spectrum of frequencies from radio, through heat, to visible light and beyond. During the period of totality, only radiation present in the sun's annular corona will be detectable, with energy directly radiated from the sun being masked by the moon. view more (1999-08-06)
MRI rules out acute appendicitis in pregnancy
Magnetic resonance imaging (MRI) can help rule out acute appendicitis in pregnancy when ultrasound findings are inconclusive, according to a study in the March issue of Radiology. view more (2006-02-28)
Patients regain cognitive function after radiation for brain tumors
Patients who suffer from low-grade brain tumors are able to regain normal cognitive function after receiving radiation therapy to shrink their tumor. view more (2005-11-16)
Order of chemotherapy, radiation has no effect on breast cancer survival
For women who have had surgery for early breast cancer, it may not matter whether they receive follow-up chemotherapy before, after or during radiation therapy, according to a new review of studies. view more (2006-10-31)
X-rays Often Repeated for Patients in Developing Countries
Patients in developing countries often need to have X-ray examinations repeated so that doctors have the image quality they need for useful medical diagnosis, the IAEA is learning. The findings come from a survey involving thousands of patients in 45 hospitals and 12 countries of Africa, Asia and Eastern Europe. view more (2008-05-29)
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