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Neuroradiology

Neuroradiology specializes in the use of x-rays and scanning devices for the diagnosis and treatment of diseases of the brain and nervous system. Primary imaging modalities used in neuroradiology include computed tomography (CT) and magnetic resonance imaging (MRI). Oakstone Publishing, LLC is accredited by the Accreditation Council for Continuing Medical Education to provide continuing medical education for physicians, including its popular neuroradiology DVD program.

Features from this Topic

Brain imaging plus a whole bunch of other assessments and measurements can predict with about 70 percent accuracy which young teens are likely to become binge drinkers, according to an ongoing European study.

The findings, published online Wednesday in Nature, are part of the IMAGEN research project, which investigates mental health and risk-taking behavior in European teenagers. This particular slice of … read more »

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An optical brain-imaging device could be a cheap, portable way of diagnosing concussions on the athletic field—or the battlefield—a preliminary study suggests.

The device uses functional near-infrared spectroscopy (fNIRS) via a three-pound band that’s strapped around the head. The “headcap” measures the flow and oxygenation of the blood as subjects take a computerized neurocognition test. University of Pittsburgh Schools of the … read more »

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State regulation of radiologic technologists has “little impact on public health and safety” and should be abolished, according to a staff report of an agency of the Texas Legislature.

Christine Lung, vice president of government relations and public policy for the American Society of Radiologic Technologists, begs to differ:
Everyone knows that radiation is a carcinogen. If performed incorrectly, it’s a direct … read more »

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Newer CT scanners drastically reduce the amount of radiation exposure for patients, according to a new study that involved nine sites in the United States and Saudi Arabia.

The researchers compared radiation exposure from first-generation 64-slice single-source and dual-source scanners to that from the new generation of 128-slice dual-source scanners with high-pitch capability. The newer machines reduced overall dosage by 61 … read more »

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Earlier this month, we reported on near-infrared imaging of the lymphatic system. Researchers are also using near-infrared imaging to study brain functioning—as in a new study that used the technique to help assess the effectiveness of treatment for post-traumatic stress disorder.

Alexa Smith-Osborne, PhD, of the University of Texas at Arlington has used functional near-infrared spectroscopy (fNIRS) in her work among … read more »

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Functional MRI brain scans appear to be able to diagnose Parkinson’s disease in its early stages, giving victims the benefit of early treatment, according to researchers at the University of Oxford in the United Kingdom.

Clare E. Mackay, PhD, explained the import of the findings:
At the moment we have no way to predict who is at risk of Parkinson’s disease in … read more »

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An international team of researchers has found a way to make iron oxide nanoparticles behave usefully for both MRI imaging and treatment of tumors: encase them inside larger silicon and polymer particles.

That creates versatile iron oxide composites that can act as MRI contrast agents, be manipulated with magnets, be heated, and degrade quickly. Normally, you would need different sizes of … read more »

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The idea sounds weird, and the execution looks even weirder. Swedish researchers thought sending cell phone–frequency radiation through the brain could diagnose stroke. So they built a helmet with 12 microwave transceivers, each with a wire attached, so that the whole thing looks like some sort of medium-tech Medusa.

It works.

It’s called Strokefinder. Designer Mikael Persson, PhD, explained the genesis of … read more »

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An MIT-led, MRI-based  study has discovered something interesting about the brains of people who were diagnosed with attention deficit hyperactivity disorder (ADHD) as children but who “outgrew” the disorder in adulthood.

Aaron Mattfeld, PhD, a postdoctoral researcher at MIT’s McGovern Institute for Brain Research, put it simply:
Their brains now look like those of people who never had ADHD.
Dr. Mattfeld is lead … read more »

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Researchers at MIT have moved functional MRI a step closer to imaging real-time thinking.

“There’s a general recognition that in order to understand the brain’s processes in comprehensive detail,” said Alan Pradip Jasanoff, PhD, an associate professor of biological engineering, “we need ways to monitor neural function deep in the brain with spatial, temporal, and functional precision.”

Dr. Jasanoff thinks he and … read more »

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