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MRI

Image: The border between the important brain regions hippocampus and amygdala is visible in high-resolution magnetic resonance images (MRIs) as a fine, light strip (amygdala-hippocampal border [AHB]) (Photo courtesy of AG Ball, Universität Freiburg).

7-Tesla MRI Technology Offers More Precise Window into the Brain

Two small but very important regions situated deep and close together in the brain, the amygdala and the hippocampus, have until now been difficult to distinguish in neuroimaging studies of living humans because of their small size.  More...
02 Apr 2014

MRI Identifies Parkinson’s in Patients at Risk of Dementia

According to new research out of Canada, it may now be possible to identify which first-stage Parkinson’s disease patients who will go on to develop dementia.   More...
26 Mar 2014
Top row: 7-Tesla 3D multiecho susceptibility-weighted in vivo images of SN in healthy 64-year-old man, located between the crus cerebri (a) and the red nucleus. Axial sections perpendicular to the floor of fourth ventricle are obtained at level of the inferior third of the red nucleus (level I), at the level of decussation of superior cerebellar peduncles (e) (level II), and at the level of the inferior colliculi (level III). At level I, substantia nigra (SN) appears as homogeneous hypointense structure in the medial part of the cerebral peduncle, and is laterally constituted by a hyperintense oval area between two hypointense layers (c1). At level II, a trilaminar organization of the SN with a central hyperintense layer (b) between two hypointense tiers (c and d) is detectable. At level III, the dorsal hypointense lamina could be detected as a small residual lateral hypointense area, while the hyperintense layer fades into the isointense cerebral peduncle. Bottom row: 7-T three-dimensional multiecho susceptibility-weighted in vivo images of the SN in PD patients. The loss of normal anatomy of the SN in a 61-year-old man with PD is characterized by the disappearance of the oval-shape bright spot in the lateral part of the SN at level I and by the loss of the hyperintense intermediate layer of the SN at level II. HC = healthy subject (Photo courtesy of the Radiological Society of North America).

Ultrahigh-Field MRI Shows Potential for Earlier Diagnosis of Parkinson’s Disease

New research has revealed that ultrahigh-field MRI provides detailed views of a brain area implicated in Parkinson’s disease; possibly leading to earlier detection of a disorder that affects millions worldwide.   More...
20 Mar 2014

Magnetoencephalography/MRI Combo Offers Real-time Clues into Brain Functioning

Combining magnetic resonance imagining for visualizing body structures and magnetoencephalography for seeing activity mechanisms may better determine of how the human brain functions.  More...
19 Mar 2014

Ultrahigh Field MRI Technology Provides More Effective Diagnosis of Breast Cancer

Austrian scientists have demonstrated for the first time that a 7-Tesla ultrahigh-field MRI can be used for clinical applications in patients with breast tumors.  More...
19 Mar 2014
Image: Biotronik\'s Sentus ProMRI (Photo courtesy of Biotronik).

First 4-F Cardiac Resynchronization MR Conditional Lead Receives CE Approval

A bipolar cardiac resynchronization therapy lead is the first magnetic resonance imaging-conditional lead with a 4-F diameter.   More...
18 Mar 2014
Image: Transverse (a) T2-weighted, (b) unenhanced T1-weighted, and (c) gadolinium-enhanced T1-weighted MR images in an 82-year-old man. The left ICA wall shows no plaque or significant wall thickening. The right ICA shows plaque with a lipid core (arrow). ICA = internal carotid artery, ECA = external carotid artery, IJ = internal jugular vein (Photo courtesy of the Radiological Society of North America).

Carotid Artery MRI May Predict Probability of Heart Attack, Stroke

Noninvasive MRI of carotid artery plaque can effectively forecast future cardiovascular events such as strokes and heart attacks in individuals without a history of cardiovascular disease, according to a new research.  More...
17 Mar 2014
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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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