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Basic MR Safety: SAR to Temperature, Power Deposition/Monitoring, Effects of RF Coils & Field Strength

Author:Nicolas Boulant  

Author Institution:NeuroSpin/CEA  

Session Type:Weekend Course  

Session Date:Saturday, 16 June 2018  

Session Time:15:15  

Session:MR Systems Engineering: Part 4  

Program Number:

Presentation Time:15:45  

Room Number:N04  

Computer Number:

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:

A diffusion MRI based computer-guided assistance approach for the diagnosis of breast lesions with high accuracy and without the need for contrast agents.

Author:Mariko Goto  Denis Le Bihan  Koji Sakai  Kei Yamada  

Author Institution:Kyoto Prefectural University of Medicine  

Session Type:Power Pitch  

Session Date:Thursday, 21 June 2018  

Session Time:08:00  

Session:Pitch: Body: Power Potpourri  

Program Number:0994  

Presentation Time:08:00  

Room Number:Power Pitch Theater B - Exhibition Hall  

Computer Number:

A diffusion MRI based computer-guided assistance approach for the diagnosis of breast lesions with high accuracy and without the need for contrast agents.

Author:Mariko Goto  Denis Le Bihan  Koji Sakai  Kei Yamada  

Author Institution:Kyoto Prefectural University of Medicine  

Session Type:Electronic Power Pitch Poster  

Session Date:Thursday, 21 June 2018  

Session Time:09:00  

Session:Poster: Body: Power Potpourri  

Program Number:0994  

Presentation Time:08:00  

Room Number:Power Pitch Theater B - Exhibition Hall  

Computer Number:Plasma 22  

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  

How to Build a 11.7 T Class Human Brain MR System: The Engineering Insights

Author:Denis Le Bihan  

Author Institution:CEA Neurospin  

Session Type:Member-Initiated Symposium  

Session Date:Thursday, 21 June 2018  

Session Time:13:15  

Session:From Ultrahigh- to Extreme-Field MR: Where Physics, Engineering, Physiology & Medicine Meet  

Program Number:

Presentation Time:14:06  

Room Number:N04  

Computer Number:

    In vivo 31P MRI at 7 Tesla in humans using a 3D spectrally selective SSFP sequence and TPI k-space sampling.

    Author:Arthur Coste  Sandro Romanzetti  Denis Le Bihan  Cécile Rabrait-Lerman  Fawzi Boumezbeur  

    Author Institution:CEA, Paris Saclay University  RWTH Aachen University Hospital  

    Session Type:Electronic Poster  

    Session Date:Tuesday, 19 June 2018  

    Session Time:08:15  

    Session:Non-Proton MRS/MRI: Technological Advances  

    Program Number:3883  

    Presentation Time:

    Room Number:Exhibition Hall  

    Computer Number:Computer 92  

    Inadequate modeling of diffusion anisotropy can lead to artefactual IVIM effects: evidence from numerical simulations

    Author:Gabrielle Fournet  Luisa Ciobanu  Denis Le Bihan  

    Author Institution:NeuroSpin/CEA Saclay  

    Session Type:Electronic Poster  

    Session Date:Thursday, 21 June 2018  

    Session Time:09:00  

    Session:Diffusion MRI: Post-Processing  

    Program Number:5362  

    Presentation Time:

    Room Number:Exhibition Hall  

    Computer Number:Computer 44  

    In-vitro demonstration of explicit temperature control using pTx and temperature virtual observation points at 7T

    Author:Nicolas Boulant  Vincent Gras  Pierre-François Van de Moortele  

    Author Institution:CEA  University of Minnesota  

    Session Type:Oral  

    Session Date:Thursday, 21 June 2018  

    Session Time:13:15  

    Session:RF Pulses & Sequences  

    Program Number:1130  

    Presentation Time:13:51  

    Room Number:N03  

    Computer Number:

    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

    Multi-modal multi-centre MRI study of rare spinocerebellar ataxia, type 14

    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:

    Whole Brain FLAIR Imaging at 7T Employing Universal Pulses

    Author:Eberhard Pracht  Vincent Gras  Nicolas Boulant  Tony Stöcker  

    Author Institution:German Center for Neurodegenerative Diseases (DZNE)  NeuroSpin, CEA  

    Session Type:Oral  

    Session Date:Tuesday, 19 June 2018  

    Session Time:16:15  

    Session:Neuro at Ultra-High Field  

    Program Number:0585  

    Presentation Time:17:39  

    Room Number:N02  

    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