Results 11 to 20 of about 12,150 (200)

Accurate low and high grade glioma classification using free water eliminated diffusion tensor metrics and ensemble machine learning

open access: yesScientific Reports
Glioma, a predominant type of brain tumor, can be fatal. This necessitates an early diagnosis and effective treatment strategies. Current diagnosis is based on biopsy, prompting the need for non invasive neuroimaging alternatives.
Sreejith Vidyadharan   +4 more
doaj   +3 more sources

Free-water diffusion tensor imaging improves the accuracy and sensitivity of white matter analysis in Alzheimer’s disease

open access: yesScientific Reports, 2021
Magnetic resonance imaging (MRI) based diffusion tensor imaging (DTI) can assess white matter (WM) integrity through several metrics, such as fractional anisotropy (FA), axial/radial diffusivities (AxD/RD), and mode of anisotropy (MA).
Maurizio Bergamino   +2 more
doaj   +2 more sources

Free water elimination and mapping from diffusion tensor imaging (DTI) in chronic schizophrenia

open access: yes, 2017
Diffusion tensor imaging (DTI) acquisitions allows the comparison of diffusion characteristics in vivo and gives a unique insight into tissue structure and pathology. However, a limitation of DTI post-processing is the as-sumption of a Gaussian distribution of diffusion in neu-ral architecture.
Colgan, Niall   +5 more
openaire   +3 more sources

Association of glymphatic dysfunction, free water, white matter integrity and long-term memory performance in aging autistic adults [PDF]

open access: yesMolecular Autism
Background Autistic adults are at elevated risk of accelerated cognitive aging and Alzheimer’s disease and related dementias (ADRD), yet the underlying neurobiological mechanisms remain poorly understood. Dysfunction in the glymphatic system—a brain-wide
Yuanchao Zhang   +10 more
doaj   +2 more sources

Contralateral neurofluid dynamics predict survival in IDH wild-type glioblastoma: A DTI-ALPS and free water imaging study

open access: yesNeuro-Oncology
Abstract Background Glioblastoma (GBM) may disrupt glymphatic function and neurofluid dynamics locally and in distant brain regions. However, the prognostic relevance of such alterations remains unclear.
Hagiwara Akifumi   +2 more
exaly   +5 more sources

Microstructural white matter alterations in preclinical Alzheimer's disease detected using free water elimination diffusion tensor imaging. [PDF]

open access: yesPLoS ONE, 2017
Brain changes associated with Alzheimer's disease (AD) begin decades before disease diagnosis. While β-amyloid plaques and neurofibrillary tangles are defining features of AD, neuronal loss and synaptic pathology are closely related to the cognitive ...
Andrew R Hoy   +10 more
doaj   +2 more sources

Characterizing Peritumoral Tissue Using Free Water Elimination in Clinical DTI

open access: yes, 2018
Finding an accurate microstructural characterization of the peritumoral region is essential to distinguish between edema and infiltration, enabling the distinction between tumor types, and to improve tractography in this region. Characterization of healthy versus pathological tissue is a key concern when modeling tissue microstructure in the ...
Ould Ismail, Abdol Aziz   +7 more
openaire   +2 more sources

Association of MRI indexes of glymphatic system with brain atrophy and cognitive impairment in cerebral small vessel disease [PDF]

open access: yesNeuroImage: Clinical
Background and objective: The glymphatic system constitutes a brain-wide perivascular network responsible for brain metabolic waste removal, which may underlie pathogenesis in cerebral small vessel disease (CSVD).
Lulu Ai   +6 more
doaj   +2 more sources

Association of choroid plexus volume, glymphatic system markers, and cognitive impairment in HIV-associated neurocognitive disorders [PDF]

open access: yesBMC Infectious Diseases
Background Although combined antiretroviral therapy (cART) effectively suppresses viral replication, HIV-associated neurocognitive disorders (HAND) remain prevalent.
Wenru Gong   +7 more
doaj   +2 more sources

Free water in the external globus pallidus predicts mild cognitive impairment in Parkinson’s disease and is associated with serum neurofilament light chain levels [PDF]

open access: yesnpj Parkinson's Disease
This study explored free-water diffusion tensor imaging (FW-DTI) in the basal ganglia as a biomarker for mild cognitive impairment (MCI) in Parkinson’s disease (PD).
Huimin Chen   +10 more
doaj   +2 more sources

Home - About - Disclaimer - Privacy