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Gloria Menegaz

Publications associées (17)

What lies beneath? Diffusion EAP-based study of brain tissue microstructure

Alessandro Daducci, Cristina Granziera, Gloria Menegaz

Diffusion weighted magnetic resonance signals convey information about tissue microstructure and cytoarchitecture. In the last years, many models have been proposed for recovering the diffusion signal and extracting information to constitute new families o ...
Elsevier Science Bv2016

Multicontrast MRI Quantification of Focal Inflammation and Degeneration in Multiple Sclerosis

Jean-Philippe Thiran, David Paul Roger Romascano, Cristina Granziera, Djalel Eddine Meskaldji, Alexis Roche, Guillaume Bonnier, Ying-Chia Lin, Gloria Menegaz

Introduction. Local microstructural pathology in multiple sclerosis patients might influence their clinical performance. This study applied multicontrast MRI to quantify inflammation and neurodegeneration in MS lesions. We explored the impact of MRI-based ...
Hindawi Publishing Corporation2015

Multicontrast connectometry: A new tool to assess cerebellum alterations in early relapsing‐remitting multiple sclerosis

Jean-Philippe Thiran, Dimitri Nestor Alice Van De Ville, David Paul Roger Romascano, Alessandro Daducci, Cristina Granziera, Djalel Eddine Meskaldji, Jonas Richiardi, Gunnar Krüger, Alexis Roche, Guillaume Bonnier, Ying-Chia Lin, Gloria Menegaz

Background: Cerebellar pathology occurs in late multiple sclerosis (MS) but little is known about cerebellar changes during early disease stages. In this study, we propose a new multicontrast “connectometry” approach to assess the structural and functional ...
Wiley-Blackwell2015

Quantitative Analysis of Myelin and Axonal Remodeling in the Uninjured Motor Network After Stroke

Jean-Philippe Thiran, Reto Meuli, Alessandro Daducci, Cristina Granziera, Djalel Eddine Meskaldji, Gunnar Krüger, Gloria Menegaz

Objectives: Contralesional brain connectivity plasticity was previously reported after stroke. This study aims at disentangling the biological mechanisms underlying connectivity plasticity in the uninjured motor network after an ischemic lesion. In particu ...
2015

Quantitative comparison of reconstruction methods for intra-voxel fiber recovery from diffusion MRI

Jean-Philippe Thiran, Yves Wiaux, Erick Jorge Canales Rodriguez, Alonso Ramirez Manzanares, Alessandro Daducci, Maxime Descoteaux, Ying-Chia Lin, Gloria Menegaz, Mathews Jacob

Validation is arguably the bottleneck in the diffusion MRI community. This paper evaluates and compares 20 algorithms for recovering the local intra-voxel fiber structure from diffusion MRI data and is based on the results of the "HARDI reconstruction chal ...
Institute of Electrical and Electronics Engineers2014

Cerebellar Connectomics Provide New Biomarkers in Early Multiple Sclerosis

Jean-Philippe Thiran, Dimitri Nestor Alice Van De Ville, David Paul Roger Romascano, Alessandro Daducci, Cristina Granziera, Djalel Eddine Meskaldji, Jonas Richiardi, Alexis Roche, Guillaume Bonnier, Ying-Chia Lin, Gloria Menegaz

The cerebellum is involved in multiple sclerosis (MS), but its implication in early phases is still poorly understood. We investigated structural and functional cerebellar connectivity alterations in early and minimally impaired MS patients, and their corr ...
2014

Multicontrats MRI Improved the Clinico-Radiological Correlation in Early Multiple Sclerosis Patients with Minor Deficits

Jean-Philippe Thiran, David Paul Roger Romascano, Cristina Granziera, Djalel Eddine Meskaldji, Alexis Roche, Guillaume Bonnier, Ying-Chia Lin, Gloria Menegaz

Conventional magnetic resonance imaging (MRI) of patients with multiple sclerosis provides only limited insights into the nature of brain tissue damage with modest clinical-radiological correlations. In this study, quantitative and semi-quantitative MRI te ...
2014

Multiple Sclerosis Lesion Fingerprint Using Multicontrast MRI

Jean-Philippe Thiran, David Paul Roger Romascano, Cristina Granziera, Djalel Eddine Meskaldji, Alexis Roche, Guillaume Bonnier, Ying-Chia Lin, Gloria Menegaz

Conventional magnetic resonance imaging (MRI) measures of multiple sclerosis patients provide limited information about the nature and the extent of brain damage and repair. We established a clinically compatible protocol including quantitative MRI techniq ...
2014

Advanced MRI unravels the nature of tissue alterations in early multiple sclerosis

Jean-Philippe Thiran, David Paul Roger Romascano, Cristina Granziera, Djalel Eddine Meskaldji, Alexis Roche, Guillaume Bonnier, Ying-Chia Lin, Gloria Menegaz

In patients with multiple sclerosis (MS), conventional magnetic resonance imaging (MRI) provides only limited insights into the nature of brain damage with modest clinic-radiological correlation. In this study, we applied recent advances in MRI techniques ...
2014

Towards a diffusion image processing validation and accuracy prediction framework

Jean-Philippe Thiran, Meritxell Bach Cuadra, Alessandro Daducci, Cristina Granziera, Alia Lemkaddem, Gloria Menegaz

Validation is the main bottleneck preventing the adoption of many medical image processing algorithms in the clinical practice. In the classical approach, a-posteriori analysis is performed based on some objective metrics. In this work, a different approac ...
2011

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