Results 81 to 90 of about 156,789 (313)

Diffusion imaging shows abnormalities after blunt head trauma when conventional magnetic resonance imaging is normal

open access: yes, 2001
The investigation and management of patients after head injury must include the accurate and complete identification of cerebral damage. Using diffusion tensor imaging, abnormalities of diffusion in patients with head injuries and unremarkable MRI have ...
F J Rugg-Gunn   +10 more
core   +1 more source

Manual and semi-automated delineation of locally advanced rectal cancer subvolumes with diffusion-weighted MRI

open access: yes, 2020
OBJECTIVES: To evaluate interobserver agreement for T2 weighted (T2W) and diffusion-weighted MRI (DW-MRI) contours of locally advanced rectal cancer (LARC); and to evaluate manual and semi-automated delineations of restricted diffusion tumour subvolumes.
Hearn, N   +7 more
core   +1 more source

Effectiveness of rTMS on Working Memory and Inhibitory Impairments in Patients With Post‐Stroke Executive Deficits

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Considerable efforts have been dedicated to developing effective treatments for post‐stroke executive impairment (PSEI), among which repetitive transcranial magnetic stimulation (rTMS) has shown great potential. This study aimed to investigate the therapeutic effects of high‐frequency rTMS on working memory (WM) and response ...
Mengting Lao   +6 more
wiley   +1 more source

Differentiation of Pancreatic lesions using Diffusion-Weighted MRI

open access: yesThe Egyptian Journal of Radiology and Nuclear Medicine, 2015
The purpose of this study was to evaluate the role of diffusion-weighted imaging (DWI) in diagnosis of pancreatic lesions, to compare diagnostic accuracy of conventional MRI (MRI-c), DWI and diffusion coefficient (ADC) values of lesions.
Mohamad Hamid Abo Warda   +2 more
doaj   +1 more source

Correcting for Motion between Acquisitions in Diffusion MR Imaging

open access: yes, 2009
The diffusion tensor (DT) and other diffusion models assume that each voxel corresponds to the same anatomical location in all the measurements. Movements and distortions violate this assumption and typically the images are realigned before model ...
Bai, Y
core  

Diffusion Tensor Imaging: on the assessment of data quality - a preliminary bootstrap analysis [PDF]

open access: yes, 2003
In the field of nuclear magnetic resonance imaging, diffusion tensor imaging (DTI) has proven an important method for the characterisation of ultrastructural tissue properties.
Heim, Stefan   +4 more
core   +1 more source

RNA Sequencing Resolves Cryptic Pathogenic Variants in Mitochondrial Disease

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Mitochondrial diseases are the most common inherited metabolic disorders, characterized by pronounced clinical and genetic heterogeneity that complicates molecular diagnosis. Although DNA‐based sequencing approaches have become standard in genetic testing, up to half of patients remain without a definitive diagnosis.
Zhimei Liu   +21 more
wiley   +1 more source

Sparse Blind Spherical Deconvolution of diffusion weighted MRI

open access: yesFrontiers in Neuroscience
Diffusion-weighted magnetic resonance imaging provides invaluable insights into in-vivo neurological pathways. However, accurate and robust characterization of white matter fibers microstructure remains challenging.
Clément Fuchs   +6 more
doaj   +1 more source

High‐Resolution MRI Revealed Different Etiology‐Specific Associations With Cerebral Infarction in Adult Moyamoya Vasculopathy

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective High‐resolution MRI enables detailed assessment of intracranial vessel wall pathology in moyamoya vasculopathy. We aimed to classify adult moyamoya vasculopathy etiologies using high‐resolution MRI and to examine subtype‐specific associations between high‐resolution MRI features and ischemic infarction.
Guangsong Han   +8 more
wiley   +1 more source

Diffusion-weighted MRI in assessment of renal dysfunction

open access: yesIndian Journal of Radiology and Imaging, 2012
Background: Diffusion-weighted magnetic resonance imaging (DW-MRI) in renal diseases is an evolving field and its potential is yet to be fully realized.
Ankur Goyal   +4 more
doaj   +1 more source

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