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MRI

Image: The ischemic penumbra is visible in some patients up to 24 hour after stroke by MRI scanning. Perfusion-weighted imaging can be used to show areas of ischemia and can be compared with the ischemic core, visible by diffusion-weighted imaging (Photo courtesy of sharinginginhealth dot ca, an open access training in healthcare resource).

Diffusion-Weighted MRI Becoming Major Tool to Diagnose Patients with Transient Ischemic Attacks

With the development of brain imaging, including cranial computed tomography, and particularly diffusion-weighted imaging-magnetic resonance imaging, the diagnosis of transient ischemic attacks has changed from time-based definition to a tissue-based one. DWI-MRI became an essential tool in the TIA workup.   More...
20 Aug 2014
Image: The levels of activity in different parts of the spinal cord of resting individuals were measured using fMRI (Photo courtesy of Barry RL, Smith SA, Dula AN, et al, eLIfe journal, August 5, 2014).

Ultrahigh-Field fMRI Findings May Help Patients Recover from Spinal Cord Injury

Researchers have achieved the first validated noninvasive measurement of neural signaling in the spinal cords of healthy human volunteers.   More...
19 Aug 2014

MRI Guidance, Remote-Controlled Catheter Technology May Improve Visualization of the Brain During Stroke Treatment

New technology in the form of a magnetically-assisted remote-controlled catheter has been designed to allow physicians to see and evaluate brain tissue more accurately while treating a stroke.  More...
13 Aug 2014
Image: A nanoparticle developed by researchers at Imperial College London could boost the effectiveness of MRI scanning by zeroing in on receptors found in cancerous cells (Photo courtesy of Imperial College London).

Self-Assembling Nanoparticles Could Optimize MRI Scanning for Diagnosis of Cancer

To help clinicians diagnose cancer earlier, scientists have designed a new self-assembling nanoparticle that targets tumors.   More...
06 Aug 2014
Image: Amyloid plaques showing up in retinal scan as fluorescent spots as curcumin binds to them (Photo courtesy of CSIRO).

Retinal Imaging Detects Changes Associated with Alzheimer's Disease

A noninvasive optical imaging device can provide early detection of changes that later occur in the brain and are a classic sign of Alzheimer's disease, according to a new study. More...
23 Jul 2014
Image: Probability map of the brain regions activated in functional magnetic resonance imaging (fMRI) by a silent sentence production task in a group of 144 right-handed individuals. The color scale indicates the percentage of subjects with significant activation in this area during the task (green: 50%, blue: 65%, red: 80% or more). Note the high asymmetry of the map in favor of the left hemisphere) [Gauche = Left, Droite = Right] (Photo courtresy of Groupe d\'Imagerie Neurofonctionnelle, CNRS/CEA/Université de Bordeaux, France).

fMRI and Database Show a Dominant Side of the Brain for Handedness and Language

Utilizing a large psychometric and brain imaging database, researchers have demonstrated that the location of language areas in the brain is independent of left- or right-handedness, except for a very small percentage of left-handed individuals whose right hemisphere is dominant for both manual work and language. More...
22 Jul 2014

Research Demonstrates MRI Acts as Predictive Marker for Epilepsy Development Following Febrile Seizure

Within hours of a fever-induced seizure, MRI may be able to identify brain changes that occur in those most likely to develop epilepsy later in life, according to recent animal research.  More...
16 Jul 2014


MedImaging's MRI channel in addition to reporting on MR hardware, informs about the many magnetic resonance applications possible with the technique notably MRI, fMRI, diffusion MRI, MR angiography, MR guided surgery, in addition to industry developments, and safety issues.
 
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