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AI abstracts top list of Roadie winners for RSNA 2019

November 20, 2019 -- The hottest topics at RSNA 2019 will cover the gamut of radiology research, from artificial intelligence (AI) for chest x-ray and mammography to new structured reporting tools for endometriosis evaluation. That's based on the abstracts that received Roadie awards for this year's meeting. Discuss

Practical Considerations of AI: Part 6 -- Ready, fire, aim

November 20, 2019 -- In part 6 of his Practical Considerations of AI series, PACSman Michael J. Cannavo shares his thoughts on why the market for radiology artificial intelligence technology has been slow to develop and what companies can do to stand out from the crowd. Discuss

CT radiation increases risk of thyroid cancer, leukemia

November 20, 2019 -- Researchers from the U.S. and Taiwan have identified an association between radiation exposure from CT scans and an increased risk of thyroid cancer and leukemia in a large-scale, population-based study. The findings are covered in an article published online on November 19 in JNCI Cancer Spectrum. Discuss

fMRI shows how brains rebound from hemispherectomy

November 19, 2019 -- A new study published online November 19 in Cell Reports sheds new light on how some people are able to recover from hemispherectomy -- removal of half their brain -- and still function at a high level. Functional MRI (fMRI) demonstrated how the brain compensates by restoring communication in certain areas to compensate for the loss. Discuss

Which MRI sequences can best handle metal braces?

November 19, 2019 -- What is the best way to overcome artifacts in patients wearing metallic orthodontic devices? The authors of a new study published November 12 in Radiology recommend slight modifications in functional MRI and diffusion-tensor MR imaging sequences to complete the task. Discuss

La. keepsake ultrasound center leaves moms in lurch

November 19, 2019 -- A group of expecting moms in Louisiana have discovered a hard lesson about the perils of keepsake ultrasound centers. The center apparently told dozens of women the wrong gender for their babies, and it even told one woman to do jumping jacks to enable a better view on ultrasound scans, according to news reports. Discuss

CCTA, functional tests stratify heart disease risk by age

November 18, 2019 -- The combination of coronary CT angiography (CCTA) scans and functional tests such as stress echocardiography can predict the likelihood of heart attack and death in individuals at risk of coronary artery disease (CAD) based on their age, according to a study published online November 18 in JAMA Cardiology. Discuss

Medical radiation dose dips 20% in U.S., NCRP reports

November 18, 2019 -- Is medical imaging making headway in its efforts to reduce patient exposure to medical radiation? In an update to its report on radiation exposure, the U.S. National Council on Radiation Protection and Measurements (NCRP) found that the average medical radiation dose has decreased by 15% to 20% over the past decade. Discuss

PET uncovers heightened ischemia after TBI

November 18, 2019 -- A novel PET imaging technique has uncovered high levels of ischemia in patients within the first 24 hours after a traumatic brain injury (TBI), but it also showed the condition does begin to subside over the next 10 days, according to a study published online November 11 in JAMA Neurology. Discuss

MEG helmet enables 3D functional brain imaging in kids

November 18, 2019 -- Researchers from the U.K. have retooled their prototype magnetoencephalography (MEG) scanner to be able to capture 3D brain images of active adults and children. The new device may improve current understanding of brain development and neurological conditions, according to an article recently published online in Nature Communications. Discuss

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