Parcourir par sujet "diffusion weighted imaging"
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Black holes and high levels of neurofilaments in glial fibrillary acidic protein – astrocytopathy: a case report
(2020)Background and purpose: Glial fibrillary acidic protein (GFAP) is an intracellular protein of the astrocytic cytoskeleton. Recently, autoantibodies to GFAP detected by cell-based assay in cerebrospinal fluid (CSF) or serum ... -
Brain volume dynamics in multiple sclerosis. A case-control study
(2019)Objectives: In this study, we aimed to explore the extent and clinical relevance of brain volume dynamics in relapsing remitting multiple sclerosis (RRMS). Methods: Sixty-three patients with RRMS with a disease duration ... -
Breast Cancer Classification on Multiparametric MRI – Increased Performance of Boosting Ensemble Methods
(2022)Introduction: This study aims to assess the utility of Boosting ensemble classification methods for increasing the diagnostic performance of multiparametric Magnetic Resonance Imaging (mpMRI) radiomic models, in differentiating ... -
Breast cancer: Follow-up with MRI after therapy
(2009)Breast cancer is the most frequent malignancy in women worldwide. The incidence and mortality rates of the disease have increased the past few years, especially in richer countries that have adopted the mammographic screening ... -
Common and Uncommon Artifacts in T1 FLAIR SAG Sequences of MRI Brain
(2021)Objective: This study aims at identifying, classifying, and measuring the frequency the different artifacts that show up in the images of the Sagittal T1 Fluid Attenuated Inversion Recovery (FLAIR) sequence. Materials and ... -
Contrast-enhanced and unenhanced diffusion-weighted imaging of the breast at 3 T
(2018)Aim: To evaluate the effect of intravenous gadolinium contrast agent on diffusion-weighted sequences and apparent diffusion coefficient (ADC) measurements at 3 T. Materials and methods: Sixty-two biopsy-proven breast lesions ... -
Diagnostic performance of quantitative diffusion tensor imaging for the differentiation of breast lesions at 3 T MRI
(2019)Background: Conventional breast magnetic resonance imaging (MRI), including dynamic contrast-enhanced MR mammography, may lead to ambiguous diagnosis and unnecessary biopsies. Purpose: To investigate the contribution of ... -
Factors associated with recurrent transient global amnesia: Systematic review and pathophysiological insights
(2021)The examination of the risk factors that affect the recurrence of transient global amnesia (TGA) may shed light on the pathophysiological substrate of the disease. A systematic review was performed to identify the factors ... -
The Impact of Primary Progressive Aphasia on Picture Naming and General Language Ability
(2021)Background: Primary progressive aphasia (PPA) is a clinical syndrome that is characterized by progressive deterioration of language while other cognitive domains remain relatively intact. The extent to which print exposure ... -
Incorporating diffusion-weighted imaging in a diagnostic algorithm for multiparametric MR mammography
(2022)Background: Apparent diffusion coefficient (ADC) measurements are not incorporated in BI-RADS classification. Purpose: To assess the probability of malignancy of breast lesions at magnetic resonance mammography (MRM) at 3 ... -
Multi-parametric MRI lesion heterogeneity biomarkers for breast cancer diagnosis
(2020)Purpose: To identify intra-lesion imaging heterogeneity biomarkers in multi-parametric Magnetic Resonance Imaging (mpMRI) for breast lesion diagnosis. Methods: Dynamic Contrast Enhanced (DCE) and Diffusion Weighted Imaging ... -
Neuroimaging methods in epilepsy of temporal origin
(2019)Background: Temporal Lobe Epilepsy (TLE) comprises the most common form of symptomatic refractory focal epilepsy in adults. Accurate lateralization and localization of the epileptogenic focus are a significant prerequisite ... -
Novel Cost Function Definition for Minimum-Cost Tractography in MR Diffusion Tensor Imaging
(2020)Magnetic resonance imaging (MRI) is an established clinical technique that measures diffusion-weighted signals, applied primarily in brain studies. Diffusion tensor imaging (DTI) is a technique that uses the diffusion-weighted ... -
Patterns of cognitive impairment in neurological disease
(2010)Cognitive impairment is present in neurodegenerative disease, usually as part of a spectrum of symptoms that includes different domains of cognitive function. While the nature of the cognitive impairment tends to be ... -
Recommendations for Mechanical Thrombectomy in Patients with Acute Ischemic Stroke: A Clinical Guide by the Hellenic Stroke Organization
(2018)This document presents the consensus recommendations of the Hellenic Stroke Organization which can be of assistance to the treating stroke physicians. © 2017, Springer-Verlag GmbH Germany. -
Reproducibility of apparent diffusion coefficient measurements evaluated with different workstations
(2018)Aim To evaluate apparent diffusion coefficient (ADC) measurements of breast lesions on different computer platforms to address post-processing influences on ADC measurement reproducibility. Materials and methods One hundred ...