Browse All

Current Filters

CLEAR FILTER x

TITLE

Design of universal parallel-transmit refocusing kT-point pulses and application to 3D T2-weighted imaging at 7T

Author:Vincent Gras  Franck Mauconduit  Alexandre Vignaud  Alexis Amadon  Denis Le Bihan  Tony Stöcker  Nicolas Boulant  

Author Institution:CEA  German Center for Neurodegenerative Diseases (DZNE)  Siemens Healthcare  

Session Type:Oral  

Session Date:Thursday, 21 June 2018  

Session Time:13:15  

Session:RF Pulses & Sequences  

Program Number:1128  

Presentation Time:13:27  

Room Number:N03  

Computer Number:

Distribution-controlled and optimally spread non-Cartesian sampling curves for accelerated in vivo brain imaging at 7 Tesla

Author:Carole Lazarus  Pierre Weiss  Loubna El Gueddari  Franck Mauconduit  Alexandre Vignaud  Philippe Ciuciu  

Author Institution:CEA/NeuroSpin - INRIA/Parietal  CEA/NeuroSpin/UNIRS/METRIC  CNRS - ITAV  Siemens Healthineers  

Session Type:Traditional Poster  

Session Date:Thursday, 21 June 2018  

Session Time:08:00  

Session:Pulses, Sequences, Motion & Artefacts  

Program Number:2666  

Presentation Time:

Room Number:Exhibition Hall 2661-2710  

Computer Number:

Evaluation of a new long-lasting Silicon Carbide based dielectric pad for ultra-high field MRI

A fast quality assessment and follow-up of transmit and receive coil paths

Author:Franck Mauconduit  Chantal Ginisty  Séverine Desmidt  Séverine Roger  Lionel Allirol  Lucie Hertz-Pannier  Alexandre Vignaud  

Author Institution:CEA  Siemens Healthcare  

Session Type:Electronic Poster  

Session Date:Tuesday, 19 June 2018  

Session Time:14:45  

Session:System Imperfections & Artifacts: Characterization & Correction  

Program Number:4221  

Presentation Time:

Room Number:Exhibition Hall  

Computer Number:Computer 71  

Gain of temporal signal-to-noise ratio with pTx universal pulses and the whole-brain fMRI 3D-GE EPI sequence at 7T

Author:Vincent Gras  Alexandre Vignaud  Cécile Rabrait-Lerman  Denis Le Bihan  Tony Stoecker  Ruediger Stirnberg  Nicolas Boulant  

Author Institution:CEA  DZNE  

Session Type:Electronic Poster  

Session Date:Thursday, 21 June 2018  

Session Time:13:15  

Session:fMRI: Acquisition, Contrast & Artifacts  

Program Number:5440  

Presentation Time:

Room Number:Exhibition Hall  

Computer Number:Computer 3  

KT-Points Pulses Reduce B1 Shading at 3T: Demonstration in Routine Abdominal DCE-MRI and Evaluation of Reliability

kT-spokes: combining kT-points with spokes to ease ramp pulse design for TOF slab selection with parallel transmission at 7T

Properties optimization of pads configurations on CST to minimize B1+ field inhomogeneities at 7T in the temporal lobes and cerebellum

Author:Zo Raolison  Marc Dubois  Luisa Neves  Stefan Enoch  Nicolas Malléjac  Pierre Sabouroux  Anne-Lise Adenot-Engelvin  Alexandre Vignaud  Redha Abdeddaïm  

Author Institution:CEA-Le Ripault  CEA-Neurospin  Institut Fresnel  

Session Type:Traditional Poster  

Session Date:Thursday, 21 June 2018  

Session Time:08:00  

Session:Pulses, Sequences, Motion & Artefacts  

Program Number:2663  

Presentation Time:

Room Number:Exhibition Hall 2661-2710  

Computer Number:

RF-Induced Potential False-Negative Lesion in Breast T2-weighted MRI at 3T: Exploration of a Single-Channel kT-Points Solution

Self-calibrating nonlinear MR image reconstruction algorithms for variable density sampling and parallel imaging

Author:Loubna El Gueddari  Carole Lazarus  Hanaé Carrie  Alexandre Vignaud  Philippe Ciuciu  

Author Institution:CEA/NeuroSpin  CEA/NeuroSpin & INRIA Parietal  

Session Type:Electronic Poster  

Session Date:Monday, 18 June 2018  

Session Time:14:45  

Session:Compressive MRI  

Program Number:3547  

Presentation Time:

Room Number:Exhibition Hall  

Computer Number:Computer 115  

The travelling pulses: multicenter evaluation of universal pulses at 7T

Author:Xiaoping Wu  Vincent Gras  Alexandre Vignaud  Franck Mauconduit  Markus Boland  Tony Stoecker  Kamil Ugurbil  Nicolas Boulant  

Author Institution:CEA  German Center for Neurodegenerative Diseases (DZNE)  Siemens Healthcare  University of Minnesota  

Session Type:Oral  

Session Date:Thursday, 21 June 2018  

Session Time:13:15  

Session:RF Pulses & Sequences  

Program Number:1133  

Presentation Time:14:27  

Room Number:N03  

Computer Number:

Workflow proposal for defining SAR safety margins in parallel transmission

Author:Nicolas Boulant  Vincent Gras  Alexis Amadon  Michel Luong  Guillaume Ferrand  Alexandre Vignaud  

Author Institution:CEA  

Session Type:Oral  

Session Date:Monday, 18 June 2018  

Session Time:16:15  

Session:MR Safety: PNS & RF Heating  

Program Number:0295  

Presentation Time:16:51  

Room Number:S06  

Computer Number:

Z-segmentation of a transmit array head coil improves RF ramp pulse design for TOF MRA at 7T