Radiation dose Current Events | Radiation dose News | 2
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Patient' exposure to radiation significantly lower when using new cardiac CT technique
A new cardiac CT technique, prospective gated 64-channel cardiac CT, has a significantly lower radiation dose and produces CT coronary angiograms with better image quality when compared with the standard retrospective ECG gating. view more (2008-04-14)
High-dose radiation improves lung cancer survival, U-M study finds
Higher doses of radiation combined with chemotherapy improve survival in patients with stage III lung cancer, according to a new study by researchers at the University of Michigan Comprehensive Cancer Center. view more (2009-04-09)
Angled gantry technique reduced breast radiation exposure by 50 percent
A novel angled gantry approach to coronary CT angiography reduced radiation exposure to the breast by more than 50%, according to Thomas Jefferson University researchers. view more (2008-12-04)
New Model Developed to Estimate Radiation Skin Doses during CT Guided Interventional Procedures
A new model that would allow interventional radiologists (radiologists who specialize in fine needle aspiration, fine needle biopsy and radiofrequency ablation) to better estimate patient radiation skin doses during CT guided interventional procedures has been developed. view more (2008-11-04)
Radiation heart dose from MammoSite compared to IMRT for left-sided breast cancers
When compared to IMRT, MammoSite Brachytherapy does not always deliver lower doses of radiation to the heart during treatment of left sided breast cancers. view more (2006-11-09)
Different method of evaluating the urinary tract system reduces radiation dose
The split-bolus (cross sectional imaging) MDCT urography technique reduces both radiation dose and number of images produced, according to a recent study conducted by radiologists from Stanford University School of Medicine in Stanford, CA and VA Palo Alto Health Care System in Palo Alto, CA. view more (2007-08-29)
Jefferson oncologists show less radiation just as effective in fighting brain tumor, saving hearing
Radiation oncologists at the Kimmel Cancer Center at Thomas Jefferson University and Thomas Jefferson University Hospital in Philadelphia have found that giving less radiation than usual is just as effective against a benign but potential devastating brain tumor called an acoustic schwannoma, and better yet, might save more of the patient's... view more... (2006-11-08)
Low dose radiation in infancy may affect intellect
Exposure to low doses of ionising radiation in infancy affects intellectual capacity in later life, conclude researchers from Sweden in this week's BMJ. CT scanning, which delivers high doses of ionising radiation, is increasingly being used in young children after minor head trauma. The study involved 3,094 men who had received radiation therapy... view more... (2004-01-03)
Radiation Dose Can Be Reduced For "Triple Rule-Out" Coronary CT Angiography
Physicians can dramatically reduce the radiation dose delivered to patients undergoing coronary CT angiography in a "triple rule-out" protocol by simply using tube current modulation, according to a study performed at Thomas Jefferson University Hospital in Philadelphia, PA. view more (2009-04-06)
Timing of radiation treatments for colon cancer may need adjusting, Jefferson researchers say
Scientists have unexpectedly discovered that mice with the gene defect that causes colon cancer in humans can differ from normal mice in how they respond to radiation treatments. view more (2006-04-10)
Can you get cancer from flying?
Air personnel may be exposed to a higher dose of radiation than earlier calculated, and the risk for cancer may be underestimated. This conclusion is presented by research student Somsak Dangtip in his PhD thesis at Uppsala University, Sweden. His findings are based on new evidence from experiments at the The Svedberg Laboratory. It is wellknown... view more... (2000-09-18)
Preventing lung scarring may extend lives of lung cancer patients
Researchers have found that using a special type of drug called a pharmaceutical monoclonal antibody to block the integrin beta6-TGF-beta pathway prevents a serious side effect of radiation therapy for lung cancer patients - pulmonary fibrosis (scarring of the lungs), thereby extending patients' lives and improving their quality of life. view more (2007-10-30)
Radiologists, medical physicists work to make imaging procedures safer
The Radiological Society of North America (RSNA) reaffirmed its commitment to patient safety today in responding to a study and accompanying perspective on radiation dose from medical imaging procedures in the New England Journal of Medicine (NEJM). view more (2009-08-28)
Gene therapy may protect normal tissues during radiation retreatment for lung cancer
Gene therapy could be used as an agent to protect normal tissues, including the esophagus and lung, from damage during a second administration of radiation therapy for non-small cell lung cancer. view more (2005-10-17)
Ideal doses of IMRT defined to reduce treatment side effects for head and neck cancer
Results from a University of Pittsburgh study evaluating intensity modulated radiation therapy (IMRT) for head and neck cancer determined the ideal doses for lessening treatment side effects. view more (2005-10-19)
Combining PET and CT scans makes cancer treatment more accurate
Doctors have discovered that combining images derived from positron emission tomography and computed tomography in the planning and delivery of radiation treatment for patients with head and neck cancer leads to more accurate delivery of the radiation dose and an increased chance for survival. view more (2006-05-02)
Safety risk for tritium pollution worse than we thought
NUCLEAR regulators have miscalculated the health risks from one of the world`s most widespread nuclear pollutants. People are twice as likely as previously thought to develop cancer after being exposed to tritium spread in hydrogen bomb tests and discharged by nuclear plants and factories. The risks... view more... (2002-05-29)
Fighting tumors with mathematics
To the effective removal of cancerous lesions by hard x-rays a precise radiation plan is indispensable. The malignant growth should be hit with the highest possible dose of radiation while minimizing the dose to the surrounding healthy tissue. The German Cancer Research Center (DKFZ) in Heidelberg is currently developing an improved approach using... view more... (2002-09-09)
Precision radiation therapy yields rare success for liver tumors
Shaped-beam radiation therapy is a promising treatment for life-threatening metastatic liver tumors, according to researchers at the University of Rochester Medical Center who report an 88 percent success rate for controlling the lesions. view more (2005-10-20)
Jefferson oncologists show focused radiation is effective as surgery against nerve tumor
Specifically aimed, "stereotactic" radiation may be as good as surgery - and in some cases, even better - in treating benign but potentially devastating brain tumors called non-acoustic schwannomas. view more (2007-10-31)
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