Radiation Exposure News and Research

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Mayo Clinic experts provide some insight about radiation dose from CT imaging

Many misconceptions exist about the risks associated with radiation doses and CT scans. Experts at Mayo Clinic want patients to have the right information about radiation dose, including when to have procedures with radiation, such as a CT scan, versus when to have magnetic resonance imaging or other non-radiation tests.

31 May 2013

Research suggests that IMRT may not be more effective in patients who had prostatectomy

Intensity-modulated radiation therapy has become the most commonly used type of radiation in prostate cancer, but research from the University of North Carolina suggests that the therapy may not be more effective than older, less expensive forms of radiation therapy in patients who have had a prostatectomy.

22 May 2013

Toshiba offers InfinixTM-i cardiovascular X-ray system for EP procedures

Electrophysiology (EP) clinical teams require a unique set of technologies to perform accurate and safe exams. Toshiba America Medical Systems, Inc. offers these clinicians an InfinixTM-i cardiovascular X-ray system tailored for EP procedures with a new package of features, accessories and technologies. This package maximizes room utilization, improves workflow and enhances safety.

7 May 2013

New protocol for reducing the use of SPECT SPI is found to be diagnostically safe

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 diagnostically safe, revealed a US retrospective analysis.

6 May 2013

Michigan's first cardio-oncology clinic launched to prevent heart problems

As cancer therapy becomes more effective and the number of cancer survivors increases, doctors are faced with a new challenge: ensuring patients have a healthy heart to enjoy the rest of their lives.

16 Apr 2013

Pros and cons of new screening technologies for breast cancer

Although mammography, the gold standard of breast cancer screening, reduces breast cancer mortality, it has important limitations. Critics point to reduced sensitivity for women with dense breasts, a high rate of false positives leading to excessive biopsies, and concerns about long-term effects of repeated radiation.

8 Apr 2013

Researchers say breast cancer screening requires a personalized approach

Researchers at Moffitt Cancer Center predict that advancements in breast cancer screening will need a personalized touch because mammography is not a "one strategy fits all" technology.

5 Apr 2013

Integrated advanced cardiovascular imaging modalities can change cardiac care

Focusing on problem solving clinical approach, places the emphasis firmly on identifying the best test to answer each specific question in the most efficient way.

4 Apr 2013

Research shows THz pulses destroy skin tissue and increase tumor-suppressing proteins

Terahertz (THz) radiation, a slice of the electromagnetic spectrum that occupies the middle ground between microwaves and infrared light, is rapidly finding important uses in medical diagnostics, security, and scientific research. As scientists and engineers find evermore practical uses for this form of radiation, questions persist about its potential human health risks.

15 Mar 2013

Maintaining high-quality CT colonography while reducing radiation dose is possible, finds study

A new study by a Rhode Island Hospital researcher has found it's possible to maintain high-quality CT colonography diagnostic images while reducing the radiation dose.

13 Mar 2013

Research roundup: Insurance coverage and access to care in Massachusetts

With increasing interest in public health problems such as obesity and alcohol and tobacco use, lawmakers are increasingly considering using policy to modify behavior. According to the authors, little is currently known about the public's willingness to accept such policies.

11 Mar 2013

Lower back pain and spinal cancer: an interview with Dr Nicholas Henschke, University of Heidelberg

While lower back pain is a common condition around the world, in only a very small proportion of people – less than 5% - will this be caused by a serious problem such as fracture, infection, or tumour.

7 Mar 2013

Fukushima report sheds light on future health risks

A detailed report carried out by the World Health Organization estimates that the risk to the general public inside and outside Japan from the Fukushima nuclear accident is minimal with no anticipated increases in cancer rates.

6 Mar 2013

Breast cancer tests: an interview with Dr Steven Quay, CEO of Atossa Genetics

Breast cancer is a major concern throughout the world. It is the number 1 cancer among women and in the Western world it generates approximately one new case per minute: 24 hours a day 7 days a week.

22 Feb 2013

Landauer reports revenue of $36.7 million for first quarter 2013

Landauer, Inc., a recognized leader in personal and environmental radiation measurement and monitoring, outsourced medical physics services and high quality medical consumable accessories, today reported financial results for its fiscal 2013 first quarter ended December 31, 2012.

11 Feb 2013

Seven factors rule out CT for children with abdominal injury

Research shows that children presenting with abdominal injury at an emergency department who lack seven key factors are extremely unlikely to have an injury requiring acute intervention and therefore do not require computed tomography scanning.

5 Feb 2013

Epidermal growth factor speeds recovery of blood-making stem cells after radiation exposure

Epidermal growth factor has been found to speed the recovery of blood-making stem cells after exposure to radiation, according to Duke Medicine researchers. The finding could open new options for treating cancer patients and victims of dirty bombs or nuclear disasters.

3 Feb 2013

Researchers identify 7 factors to lessen radiation exposure in young, traumatic injury victims

A study of more than 12,000 children from emergency departments throughout the country in the Pediatric Emergency Care Applied Research Network (PECARN) has identified seven factors that can help physicians determine the need for a computed tomography (CT) scan following blunt trauma to the abdomen.

2 Feb 2013

New CT system reduces radiation exposure in patients undergoing CCTA

Researchers using a newly approved advanced computed tomography (CT) system were able to significantly reduce radiation exposure in patients undergoing coronary CT angiography (CCTA), according to a new study published online in the journal Radiology.

1 Feb 2013

Microscopic hematuria poor indicator for renal, bladder malignancy

The presence of microscopic levels of blood in the urine is unreliable as an indicator for renal or bladder cancer, report researchers.

30 Jan 2013