Neuroimaging

Neuroradiology is a branch of medical imaging focused on spotting abnormalities of the central and peripheral nervous system, spine, head and neck. These highly trained doctors use CT, MRI, X-ray and other techniques to diagnose strokes, tumors, aneurysms and other neurological conditions.

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Increased Alzheimer risk associated with DDT byproduct

Identifying people who have elevated levels of dichlorodiphenyldichloroethylene (DDE), the byproduct of the pesticide dichlorodiphenyltrichloroethane (DDT), and carry an apolipoprotein ε4 (APOε4) allele may lead to early identification of some cases of Alzheimer disease (AD), according to a study published online by JAMA Neurology on Jan. 27.

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Putative brain iron content indicates changes related to Parkinson’s

Changes related to Parkinson’s disease (PD) were found in putative iron content over two years, according to a study published in the January 2014 issue of Academic Radiology. Rather than correlating with disease duration, the rate of the changes were mildly affected by individual factors like age at disease onset and eventual cognitive decline. 

APOE gene variation associated with accelerated brain atrophy

Presence of the epsilon 4 variant of the apolipoprotein E (APOE) gene has been associated with accelerated rates of brain atrophy in individuals with mild cognitive impairment (MCI), according to a study published online Jan. 14 in Radiology.

Rethinking football helmet design

At the University of Florida, a radiologist and mechanical engineer have teamed up to design the next generation of football helmets, created to improve protection from head injuries that are rampant in the sport.

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Human Connectome Project and the search for self

When you look at your brain on an MRI scan, what do you see? Are you filled with a better understanding the abstract “self”?

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Dearth of donated brains stops CTE research short

The National Institutes of Health have recently announced eight projects largely funded by the NFL that will study the long-term effects of repeated head injuries and will hopefully develop better tools for diagnosing chronic traumatic encephalopathy (CTE) and concussions, according to an article published on Dec. 17 by NPR.org.

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Brain chemical ratios may forecast developmental delays in preterm infants

The combination of choline (Cho)/creatine (Cr) and N-acetylaspartate (NAA)/Cho ratios measured in the posterior periventricular white matter at term-equivalent age is predictive of motor outcome at one year in infants born at less than 32 weeks gestation, according to a study published online Dec. 17 in Radiology.

Contrast agent may cause brain abnormalities

A link between gadolinium-based contrast agents (Gd-CM) and abnormalities on brain MRI has been confirmed for the first time, according to a study published online Dec. 17 in Radiology. 

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Around the web

Cardiovascular Business
Global shortage of nuclear imaging isotopes may be over

The nuclear imaging isotope shortage of molybdenum-99 may be over now that the sidelined reactor is restarting. ASNC's president says PET and new SPECT technologies helped cardiac imaging labs better weather the storm.

Cardiovascular Business
‘A huge win’: CMS significantly increases Medicare payments for cardiac CT

CMS has more than doubled the CCTA payment rate from $175 to $357.13. The move, expected to have a significant impact on the utilization of cardiac CT, received immediate praise from imaging specialists.

Cardiovascular Business
FDA clears AI tool that flags signs of heart disease in chest CT scans

The newly cleared offering, AutoChamber, was designed with opportunistic screening in mind. It can evaluate many different kinds of CT images, including those originally gathered to screen patients for lung cancer. 

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