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Last Updated:
Sun, 30 Aug 2015, 05:00 GMT
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Health News - Radiology/Nuclear Medicine

Majority of false-positive mammograms associated with anxiety, distress
Researchers have found that patients who receive false-positive mammogram results are significantly more likely to report negative psychosocial consequences than those who do not. (Medical News Today)

Children'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... (Medical News Today)

Drug may reduce harm of potentially lethal radiation
A new study in mice shows that an experimental drug given 24 hours after potentially-lethal exposure to nuclear radiation appears to extend survival by lessening damage to the gut. (Medical News Today)

Weak doses of radiation prolong life of female flies, scientists find
These findings could reveal the genes that enable the prolongation of life and in the future lead to the creation of a means to prevent aging in humansDrosophilaflies (fruit flies) are at the... (Medical News Today)

Surgery, radiotherapy for early-stage breast cancer 'may not reduce mortality'
While women with very early-stage breast cancer are at greater risk of death, researchers find treating the condition with surgery and radiotherapy does not reduce mortality. (Medical News Today)

Diagnostic imaging can rule out coronary artery disease in patients with atypical chest pain
Non-invasive diagnostic imaging can rule out coronary artery disease (CAD) in about 50% of women with atypical chest pain who are at relatively low risk for CAD, while exposing them to only a modest... (Medical News Today)

Radiation costs vary among Medicare patients with cancer
Cost of radiation therapy among Medicare patients varied most widely because of factors unrelated to a patient or that person's cancer, report University of California, San Diego School of Medicine... (Medical News Today)

Shorter course of high-dose radiation therapy 'better for breast cancer patients'
Two new studies suggest a shorter course of radiation therapy at higher doses is less toxic for breast cancer patients than the conventional longer courses at lower doses. (Medical News Today)

Some radiation okay for expectant mother and fetus
Study finds doses are well below thresholds considered riskyAccording to a new study in the Journal of the American Academy of Orthopaedic Surgeons (JAAOS), imaging studies necessary to diagnose... (Medical News Today)

Implantable biosensor could monitor progress of cancer therapy
Scientists are working on a biosensor that can be implanted into a tumor during biopsy to monitor levels of cancer biomarkers and send readings wirelessly for doctors to see. (Medical News Today)

New device converts DC electric field to terahertz radiation
Tunable radiation source that reaches coveted THz region of spectrum could be used for medical imaging or security applicationsTerahertz radiation, the no-man's land of the electromagnetic... (Medical News Today)

Modern nuclear disasters: biggest risk is mental, not physical illness
Fukushima has had no physical impact on human health but will have lasting social and psychological ones, say leading radiological protection experts. (Medical News Today)

High number of unnecessary CT scans associated with pediatric sports-related head trauma
Visits to emergency departments by children with sports-related head injuries have skyrocketed in the past decade, and new research finds that many patients undergo unnecessary computed tomography or... (Medical News Today)

Research from MD Anderson Proton Therapy Center shows benefits for head/neck cancer patients, including reducing the use for feeding tubes
New research from The University of Texas MD Anderson Proton Therapy Center offers further evidence that proton therapy - specifically multi-field optimization intensity modulated proton therapy... (Medical News Today)

Prostate cancer - University of York scientists discover why some tumours are resistant to radiotherapy
Scientists at the University of York believe they have identified how some tiny regulatory molecules in cells can make prostate cancers resistant to radiotherapy. (Medical News Today)

Proposed 2016 Medicare physician cuts threaten access to community-based radiation therapy
The American Society for Radiation Oncology (ASTRO) is concerned about proposed additional payment cuts to radiation therapy detailed in the Centers for Medicare and Medicaid Services' (CMS) proposed... (Medical News Today)

Researchers develop first genetic test to predict tumor sensitivity to radiation therapy
Recent advances in the understanding of cancer have led to more personalized therapies, such as drugs that target particular proteins and tests that analyze gene expression patterns in tumors to... (Medical News Today)

Common side effect of radiation treatment for prostate cancer
Factoring in anatomy and the radiation therapy dose can help doctors predict a prostate cancer patient's risk of suffering from rectal bleeding as a side effect of therapy, and tailor treatment to... (Medical News Today)

Using low-dose irradiation, researchers can now edit human genes
Effectiveness of gene editing in human stem cells improves tenfold using new techniqueFor the first time, researchers have employed a gene-editing technique involving low-dose irradiation to... (Medical News Today)

Additional radiation reduces breast-cancer recurrence for some patients: Hamilton study
A study has found no increase in overall survival but a reduction in breast cancer recurrence when additional radiation is given to the lymph nodes as well as the standard treatment of whole-breast... (Medical News Today)

DNA damage seen in patients undergoing CT scanning, Stanford study finds
Using new laboratory technology, scientists have shown that cellular damage is detectable in patients after CT scanning, according to a new study led by researchers at the Stanford University School... (Medical News Today)

Simple formula can determine radiation dose to fetus
A new technique to more accurately calculate radiation dose to a fetus may help comfort pregnant women who undergo a computed tomography (CT) scan, suggests research being presented at the 57th... (Medical News Today)

Risks of screening mammography overestimated: large study shows women receive about 30 percent less radiation than previous believed
Screening mammography is safer than previously thought, suggests a large study that determined women receive about 30 percent less radiation during the test than assumed. (Medical News Today)

Choosing Wisely in newborn medicine: Improving health outcomes, reducing costs
Guidelines to help avoid unnecessary and potentially harmful tests and treatmentsAdvances in technology have spurred better outcomes for infants treated in neonatal intensive care units, but... (Medical News Today)

For kids with injured ankles, less treatment may be more
Emergency physicians can safely reduce x-rays in children with hurt ankles by as much as 23 percent and save emergency patients both money and time. (Medical News Today)

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