Radiologic Imaging

Diana L. Miglioretti, PhD, professor of biostatistics at the University of California–Davis School of Medicine, and her colleagues found high rates of CT use among children may contributed to increased cancer risk. Image: UC Regents©

Author Insights: Use of CT Scans on Children Remains High, May Increase Cancer Risk

By Bridget M. Kuehn on June 10, 2013

Children continue to undergo many more computed tomography (CT) scans than in the past, and the doses of radiation they are receiving may increase the risk of certain types of cancer, according to a study published in JAMA Pediatrics today…. Read More ›

Karla Kerlikowske, MD, of the University of California, San Francisco, and colleagues found that older women who undergo biennial screening mammography are less likely than comparable women who undergo annual screening to have false-positive results and are no more likely to have a cancer detected at an advanced stage. (Image: Susan Merrell, UCSF)

Author Insights: Mammography Every Other Year for Older Women Doesn’t Increase Risk That Breast Cancer Will Be Advanced When Detected

By Mike Mitka on March 18, 2013

Women aged 50 to 74 years who undergo screening mammography every other year, even those with high breast density or a history of hormone therapy after menopause, appear no more likely to be diagnosed with advanced-stage breast cancer than comparable… Read More ›

Seven clinical criteria reported in a new study can help emergency physicians rule out which children with abdominal injuries do not need a diagnostic computed tomography scan. (Image: BanksPhotos/iStockphoto.com)

New Approach May Prevent Some Unnecessary Emergency CT Scans in Children

By Rebecca Voelker on February 1, 2013

A new study shows how emergency department physicians can avoid needless diagnostic computed tomography (CT) scanning of children with abdominal injuries. Researchers who developed a decision support tool say their findings could prevent many vulnerable children from being unnecessarily exposed… Read More ›

A new study found that rigorous physical activity, as well as sedentary behavior, are associated with early damage to cartilage in the knee that might progress to knee osteoarthritis. (Image: Ken Tannenbaum/iStockphoto.com)

Too Much or Too Little Physical Activity May Increase Knee Osteoarthritis Risk

By Mike Mitka on November 26, 2012

Chicago—Numerous studies have demonstrated the benefits of physical activity in reducing the risk of a variety of health problems, including heart disease and Alzheimer disease. Now, new findings suggest that for at least 1 condition, osteoarthritis of the knee, both… Read More ›

Sleeping helps restore the brain’s ability to form memories and learn, new studies presented at the Society for Neuroscience meeting in New Orleans suggest. Image: iStockphoto.com/Simone Becchetti

Even a Little Sleep Loss May Impair Memory, Learning

By Bridget M. Kuehn on October 17, 2012

As little as a few hours of lost sleep may greatly impair memory and learning, according to research presented at the Society for Neuroscience meeting in New Orleans this week. A growing body of evidence suggests that sleeping may play… Read More ›

Mammography starting at age 40 years may be beneficial for women at elevated risk of developing breast cancer. Image: iStockphoto.com/33karen33

Study Suggests Young Women at Increased Risk for Breast Cancer May Benefit From Early Screening

By Bridget M. Kuehn on April 30, 2012

Women who have a first-degree relative with breast cancer or who have extremely dense breasts may benefit from initiating breast cancer screening at age 40 years, according to a study published today in the Annals of Internal Medicine. Although there… Read More ›

As part of an effort to reduce unnecessary medical procedures, the American Society of Clinical Oncology is discouraging the use of advanced imaging techniques to monitor for recurrence of breast cancer in women with no symptoms. Image: iStockphoto.com/Mark Kostich

Top 5 List Aims to Reduce Unnecessary Cancer Care and Cut Costs

By Bridget M. Kuehn on April 4, 2012

Less chemotherapy for patients with certain advanced cancers, as well as more judicious use of costly imaging techniques, could help patients with cancer receive higher-value care, the American Society of Clinical Oncology (ASCO) announced today. The announcement is part of… Read More ›

The US Food and Drug Administration is asking health care professionals to verify that any handheld x-ray units that they use meet the agency’s radiation safety and medical device requirements. (Image: Jeremy Suess/iStockphoto.com)

FDA: Potentially Unsafe Handheld X-ray Devices Sold Online

By Mike Mitka on February 10, 2012

The US Food and Drug Administration (FDA) is warning health care providers, including dentists, dental care professionals, and veterinarians, against purchasing or using certain potentially unsafe handheld dental x-ray units. The FDA issued a safety communication today after the Washington… Read More ›

Using chest radiography to screen for lung cancer does not reduce lung cancer mortality compared with usual care, a large clinical trial has found. (Image: Maria Toutoudaki/iStockphoto.com)

Using Annual Chest X-Rays to Screen for Lung Cancer Doesn’t Reduce Mortality

By Bridget M. Kuehn on October 26, 2011

Patients who received annual chest radiography for 4 years were no less likely to die of lung cancer than those who received usual care, according to findings from a large randomized trial published online today in JAMA. In an accompanying… Read More ›

Author Insights: Family Histories Should Be Updated to Better Identify Those Needing Intense Cancer Screening

By Mike Mitka on July 12, 2011

A family history that identifies members who have developed cancer is not a static entity but should be frequently updated, say researchers in an article appearing today in JAMA. Such updating can better identify individuals who might benefit from earlier… Read More ›

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