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Radiological Society of North America, Nov. 27- Dec. 2

Last Updated: December 06, 2016.

The 102nd Scientific Assembly and Annual Meeting of the Radiological Society of North America

The annual meeting of the Radiological Society of North America was held from Nov. 27 to Dec. 2 in Chicago and attracted approximately 55,000 participants from around the world, including radiologists, radiation oncologists, physicists in medicine, radiologic technologists, and other health care professionals. The conference featured scientific papers in a number of subspecialties covering the newest trends in radiological research as well as highlighted education and informatics exhibits.

In one study, Miriam A. Bredella, M.D., of Massachusetts General Hospital and Harvard Medical School in Boston, and colleagues found that lean mass was positively associated with measures of trabecular bone integrity. In addition, total fat mass and visceral fat mass were positively associated with cortical porosity, indicating impaired cortical integrity.

"The key conclusion of our study is that high fat mass and low lean mass are risk factors for skeletal dysregulation in adolescents with morbid obesity," Bredella said. "Therefore, it is important to increase lean mass (through exercise) and reduce fat mass (through diet and exercise) to promote healthy bones."

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In another study, Kavita Garg, M.D., of the University of Colorado in Denver, and colleagues found a two-fold (12.6 versus 6.8 percent) increase in mortality among heavy smokers with diabetes compared to patients without diabetes in the National Lung Screening Trial (NLST) cohort. In NLST subjects, diabetes was associated with an increased risk for all-cause mortality, including mortality from cancers such as pancreatic, colon, and liver in both men and women and also lung cancer in women.

"Heavy smokers with diabetes are at increased risk for mortality from cancer compared to subjects without diabetes. Diabetes was an independent risk factor for mortality in NLST participants," Garg said. "Therefore, subjects should take care of their diabetes to maximize benefit from computed tomography screening for lung cancer."

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Elizabeth Moody Davenport, Ph.D., of the University of Texas Southwestern Medical Center in Dallas, and colleagues found that diffusion tensor imaging (DTI)/ diffusion kurtosis imaging (DKI) and magnetoencephalography (MEG) appear to be providing different information about the sub-concussive changes occurring in the brain.

"Previously, we processed the diffusion imaging and found an increase in changes in DTI and DKI metrics with increased head impact exposure. We've also processed the MEG data and identified an increase in delta waves correlating to an increase in head impact exposure," Davenport said. "Since we know which subjects have the greatest changes in diffusion metrics and which subjects have the greatest changes in MEG metrics, we wanted to know if those were the same subjects. We ran a Spearman's rank correlation and found that they weren't the same subjects in both groups. Most interestingly, the diffusion metrics correlated strongly with linear acceleration and MEG-measured delta waves correlated strongly with rotational acceleration."

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RSNA: Sleep Deprivation Appears to Affect Heart Function

FRIDAY, Dec. 2, 2016 (HealthDay News) -- Sleep deprivation while working 24-hour shifts can affect heart function, according to a study presented at the annual meeting of the Radiological Society of North America, held from Nov. 27 to Dec. 2 in Chicago.

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RSNA: Improved Brain Volume With Aerobic Intervention in MCI

THURSDAY, Dec. 1, 2016 (HealthDay News) -- For adults with mild cognitive impairment (MCI), an aerobic exercise intervention could preserve or improve brain volumes, according to a study presented at the annual meeting of the Radiological Society of North America, held from Nov. 27 to Dec. 2 in Chicago.

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RSNA: Children Can Sustain Major Chest Injuries From ATV Crashes

TUESDAY, Nov. 29, 2016 (HealthDay News) -- For young people who ride all-terrain vehicles (ATVs) without a helmet, the risk of head trauma is an established and serious concern; however, these vehicles may also pose a high risk for severe chest injuries, according to a study presented at the annual meeting of the Radiological Society of North America, held from Nov. 27 to Dec. 2 in Chicago.

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RSNA: No Evidence Moderate Alcohol Intake Aids Heart Health

TUESDAY, Nov. 29, 2016 (HealthDay News) -- Alcohol consumption has neither harmful nor protective effects on the arteries of the heart, according to a study presented at the annual meeting of the Radiological Society of North America, held from Nov. 27 to Dec. 2 in Chicago.

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RSNA: No Evidence for Age-Based Mammography Cut-Off

MONDAY, Nov. 28, 2016 (HealthDay News) -- The benefit of screening mammography may continue with increasing age up until 90, according to a study presented at the annual meeting of the Radiological Society of North America, held from Nov. 27 to Dec. 2 in Chicago.

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