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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Connectivity abnormalities observed on MRIs of insomnia patients

The authors explained that the increased connectivity observed in those with insomnia could lead to hypersensitivity to external stimulation, which might result in a state of hyperarousal. 

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Radiologists should be aware of amyloid-related imaging abnormalities for patients taking Alzheimer's drug

Safety information for patients taking Aduhelm has been updated by the FDA to include the addition of two MRI scans during the first year of treatment.

Ischemic stroke CT imaging. Images courtesy of RSNA

Stroke care still lags among certain Medicare populations

Despite increases of 250% for CTA and 428% for CTP, researchers observed lower rates of neuroimaging utilization among rural residents, older individuals (80 years and above), women and Black patients.

Machine learning model quickly and accurately predicts outcomes for TBI patients

The model combines clinical data with imaging from head CT scans in individuals with severe traumatic brain injuries to quickly predict 6-month outcomes.

Ischemic stroke CT scan showing color coded blood flow for early and later arterial and venous contrast phases and areas of blocked blood flow. Image courtesy of RSNA

Disparities evident as CT stroke imaging rises sharply over 7-year period

Utilization of head CT perfusion (CTP) for imaging stroke patients spiked 428% between 2012 and 2019. Curiously, the uptrend was associated with higher mortality up to a year after discharge.

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New MRI technique helps physicians ID multiple sclerosis lesions

By superimposing images of tiny veins in the brain over conventional MRI modules, physicians can identify the distinguishing "central vein sign."

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Maternal social disadvantages linked with reduction in baby brain volumes at birth

Economic hardship was associated with smaller global brain volumes, while maternal psychosocial stress did not reveal any significant impacts. 

The Woven Endobridge (WEB) device to seal wide-neck intracranial bifurcation aneurysms.

Off-label use of WEB device effective for sidewall aneurysms

A new study published in Radiology found that mesh plugs that are traditionally used to treat brain aneurysms where the blood vessels branch out can also be effective when used to treat aneurysms on the side of the vessel. 

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