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e-MRI

e-MRI

磁気共鳴画像の MRI ステップ・バイ・ステップ、インタラクティブコース

MRIの機能および物理学のインタラクティブコース (磁気共鳴画像)、フランスX線学会から賞を授与

Nuclear Magnetic Resonance

Nuclear Magnetic Resonance

Description of nuclear magnetic resonance, explanation of the origin of macroscopic magnetisation, the phenomena of spin-spin relaxation and spin-lattice relaxation and T1 and T2 relaxation times

Nuclear Magnetic Resonance

Nuclear Magnetic Resonance

Nuclear Magnetic Resonance

Nuclear Magnetic Resonance

MRI instrumentation and MRI safety

MRI instrumentation and MRI safety

Aspects relating to MRI instrumentation and MRI safety

MRI Instrumentation and MRI safety

MRI instrumentation and MRI safety

MRI instrumentation and MRI safety

MRI instrumentation and MRI safety

NMR signal and MRI contrast

NMR signal and MRI contrast

Description of the relationships between the MRI signal, sequence parameters, and T1, T2, and PD-weighting.

NMR signal and MRI contrast

NMR signal and MRI contrast

NMR signal and MRI contrast

NMR signal and MRI contrast

Spatial encoding in MRI

Spatial encoding in MRI

Spatial encoding in MRI

Spatial encoding in MRI

Magnetic Resonance Image and k-space

MRI image formation

MRI image formation

MRI image formation

MRI Sequences

Sequences

Sequences

Sequences

Improving MRI contrast : Imaging water and fat

Improving MRI contrast : Imaging water and fat

Improving MRI contrast : Imaging water and fat

Improving MRI contrast : Imaging water and fat

Improving MRI contrast : Contrast agents

Improving MRI contrast : Contrast agents

Improving MRI contrast : Contrast agents

Improving MRI contrast : Contrast agents

Improving MRI contrast : Magnetization transfer

Improving MRI contrast : Magnetization transfer

Improving MRI contrast : Magnetization transfer

Improving MRI contrast : Magnetization transfer

MR Image quality and artifacts

Image quality and artifacts

Image quality and artifacts

Image quality and artifacts

Parallel MR imaging

Parallel imaging

Parallel imaging

Parallel imaging

Magnetic resonance angiography (MRA) and Flow MRI

Magnetic resonance angiography (MRA) and Flow MRI

Magnetic resonance angiography (MRA) and Flow MRI

Magnetic resonance angiography (MRA) and Flow MRI

Cardiac MRI

Cardiac MRI

Cardiac MRI

Cardiac MRI

Brain perfusion MRI

Cerebral perfusion MRI

Cerebral perfusion MRI

Cerebral perfusion MRI

Diffusion MRI

Diffusion-weighted and Diffusion Tensor MR imaging

Diffusion-weighted and Diffusion Tensor MR imaging

Diffusion-weighted and Diffusion Tensor MR imaging

Functional MRI

Functional MRI of the brain

Functional MRI of the brain

Functional MRI of the brain

MR Spectroscopy

Magnetic Resonance Spectroscopy (MRS)

Magnetic Resonance Spectroscopy (MRS)

Magnetic Resonance Spectroscopy (MRS)

3T MRI

Ultra-high field MRI (3 teslas and more)

Ultra-high field MRI (3 teslas and more)

Ultra-high field MRI (3 teslas and more)

Nuclear Magnetic Resonance (6)

  • 1.

    Nuclear spin

  • 2.

    Precession and Larmor frequency

  • 3.

    Net magnetization

  • 4.

    Nuclear Magnetic Resonance

  • 5.

    Excitation

  • 6.

    Relaxation and its characteristics: T1 and T2 times

MRI instrumentation and MRI safety (6)

  • 1.

    MRI Main magnet

  • 2.

    Magnetic field gradients

  • 3.

    Radiofrequency system

  • 4.

    Computer systems

  • 5.

    MRI Safety and precautions

  • 6.

    Directive européenne sur les champs magnétiques (2004/40/EC) et IRM

NMR signal and MRI contrast (8)

  • 1.

    Signal recording

  • 2.

    90° RF pulse

  • 3.

    180° RF pulse

  • 4.

    Spin echo, TR, TE

  • 5.

    TR and T1-weighting

  • 6.

    TE and T2-weighting

  • 7.

    Signal weighting (T1, T2, PD) and sequences parameters : TR, TE

  • 8.

    Basics of tissue contrast in MRI

Spatial encoding in MRI (7)

  • 1.

    Introduction to spatial encoding

  • 2.

    Magnetic field gradients

  • 3.

    Selecting the slice plane: selective excitation

  • 4.

    Phase encoding

  • 5.

    Frequency encoding

  • 6.

    Interpreting spatial encoding in MRI

  • 7.

    3D spatial encoding

MRI image formation (8)

  • 1.

    Introduction

  • 2.

    Fourier transform

  • 3.

    Spatial frequency

  • 4.

    2D Fourier transform and MRI image reconstruction

  • 5.

    K-space exploration

  • 6.

    Gradients and spatial frequency

  • 7.

    Spatial frequency, image resolution and contrast

  • 8.

    Linear trajectory through k-space

Image quality and artifacts (12)

  • 1.

    Image quality

  • 2.

    Signal-to-noise ratio

  • 3.

    Quality control

  • 4.

    Artifacts

  • 5.

    Motion and Ghosting artifacts : Origin

  • 6.

    Motion and Ghosting artifacts : Remedies

  • 7.

    Magnetic susceptibility and metal

  • 8.

    Truncation (Gibb's) artifact

  • 9.

    Aliasing (Wrap-around artifacts)

  • 10.

    Chemical shift artifacts

  • 11.

    Cross-talk

  • 12.

    Magic angle

Parallel imaging (9)

  • 1.

    Parallel imaging

  • 2.

    Phased array coils

  • 3.

    Reconstruction in the image domain

  • 4.

    Reconstruction in the frequency domain

  • 5.

    Choosing a reconstruction algorithm

  • 6.

    Benefits of parallel imaging

  • 7.

    Drawbacks of parallel imaging

  • 8.

    Applications of parallel imaging

  • 9.

    Parallel RF transmission (transmit SENSE)

Magnetic resonance angiography (MRA) and Flow MRI (7)

  • 1.

    Magnetic resonance angiography (MRA) and Flow MRI

  • 2.

    Overview of techniques to obtain vascular contrast

  • 3.

    Flow compensation

  • 4.

    Time-of-flight MR angiography

  • 5.

    Phase contrast angiography (PCA)

  • 6.

    Fresh Blood Imaging (FBI) MRA

  • 7.

    Contrast-enhanced MR Angiography

Cardiac MRI (10)

  • 1.

    Cardiac MRI

  • 2.

    Particularities of cardiac MRI

  • 3.

    Cardiac synchronization methods (cardiac gating)

  • 4.

    Slice planes in cardiac MRI

  • 5.

    Morphological cardiac imaging

  • 6.

    Functional cardiac imaging

  • 7.

    Phase-contrast velocity mapping

  • 8.

    First pass myocardial perfusion MRI

  • 9.

    Delayed Enhancement MRI (DE-MRI)

  • 10.

    Coronary MR angiography

Cerebral perfusion MRI (5)

  • 1.

    Brain perfusion imaging

  • 2.

    First-pass contrast-enhanced dynamic perfusion imaging (DSC MRI)

  • 3.

    Steady-state perfusion MRI with superparamagnetic contrast agents

  • 4.

    Perfusion imaging by spin labeling

  • 5.

    Main applications of perfusion MRI

Diffusion-weighted and Diffusion Tensor MR imaging (5)

  • 1.

    Principles of diffusion imaging

  • 2.

    Diffusion-weighted sequences

  • 3.

    Diffusion tensor and anisotropy

  • 4.

    Artifacts and image quality in diffusion imaging

  • 5.

    Main applications of diffusion

Functional MRI of the brain (5)

  • 1.

    Functional MRI of the brain

  • 2.

    Physiological basis of brain activation and BOLD contrast

  • 3.

    Data acquisition in functional MRI

  • 4.

    Analysis of functional MRI data

  • 5.

    Applications of functional MRI

Magnetic Resonance Spectroscopy (MRS) (9)

  • 1.

    Magnetic Resonance Spectroscopy (MRS)

  • 2.

    Chemical shift, spin-spin interaction and J-coupling

  • 3.

    Equipment and software required for MRS

  • 4.

    Field homogeneity, SNR and spectrum quality

  • 5.

    Metabolites explored in 1H-MRS

  • 6.

    Single voxel spectroscopy (SVS)

  • 7.

    Spectroscopic imaging (CSI : Chemical Shift Imaging)

  • 8.

    Signal processing in MRS

  • 9.

    Main clinical applications of MRS

Ultra-high field MRI (3 teslas and more) (4)

  • 1.

    Ultra-high field MRI (3 teslas and more)

  • 2.

    Physical parameters and ultra high field

  • 3.

    Adapting equipment and sequences for ultra high fields

  • 4.

    Clinical applications of ultra high field MRI

Improving MRI contrast : Contrast agents (5)

  • 1.

    Basic principles and classification of contrast agents

  • 2.

    Oral contrast agents

  • 3.

    Gadolinium chelates

  • 4.

    Iron oxides (SPIO, USPIO)

  • 5.

    Manganese chelates

Improving MRI contrast : Magnetization transfer (3)

  • 1.

    Free and bound protons

  • 2.

    Mechanisms of magnetization transfer

  • 3.

    Applications of magnetization transfer

Improving MRI contrast : Imaging water and fat (5)

  • 1.

    Imaging water and fat

  • 2.

    Fat signal suppression by short TI inversion-recovery (STIR)

  • 3.

    MRI Fat Saturation (Fat Sat, CHESS, SPIR, SPECIAL)

  • 4.

    Selective excitation

  • 5.

    Silicon imaging

Sequences (15)

  • 1.

    Sequences

  • 2.

    Characteristics of an MRI sequence

  • 3.

    Sequence classification

  • 4.

    Sequences acronyms

  • 5.

    Spin echo

  • 6.

    Fast spin echo

  • 7.

    Ultrafast spin echo sequences

  • 8.

    Inversion Recovery, STIR and FLAIR

  • 9.

    Gradient echo

  • 10.

    Spoiled gradient echo sequences

  • 11.

    Ultrafast spoiled gradient echo sequences

  • 12.

    Gradient echo sequences with steady state residual transverse magnetization

  • 13.

    T2-enhanced steady-state gradient echo

  • 14.

    Balanced gradient echo

  • 15.

    Hybrid sequences (spin echo + gradient echo)

e-MRI

Nuclear Magnetic Resonance (6)

  • 1.

    Nuclear spin

  • 2.

    Precession and Larmor frequency

  • 3.

    Net magnetization

  • 4.

    Nuclear Magnetic Resonance

  • 5.

    Excitation

  • 6.

    Relaxation and its characteristics: T1 and T2 times

MRI instrumentation and MRI safety (6)

  • 1.

    MRI Main magnet

  • 2.

    Magnetic field gradients

  • 3.

    Radiofrequency system

  • 4.

    Computer systems

  • 5.

    MRI Safety and precautions

  • 6.

    Directive européenne sur les champs magnétiques (2004/40/EC) et IRM

NMR signal and MRI contrast (8)

  • 1.

    Signal recording

  • 2.

    90° RF pulse

  • 3.

    180° RF pulse

  • 4.

    Spin echo, TR, TE

  • 5.

    TR and T1-weighting

  • 6.

    TE and T2-weighting

  • 7.

    Signal weighting (T1, T2, PD) and sequences parameters : TR, TE

  • 8.

    Basics of tissue contrast in MRI

Spatial encoding in MRI (7)

  • 1.

    Introduction to spatial encoding

  • 2.

    Magnetic field gradients

  • 3.

    Selecting the slice plane: selective excitation

  • 4.

    Phase encoding

  • 5.

    Frequency encoding

  • 6.

    Interpreting spatial encoding in MRI

  • 7.

    3D spatial encoding

MRI image formation (8)

  • 1.

    Introduction

  • 2.

    Fourier transform

  • 3.

    Spatial frequency

  • 4.

    2D Fourier transform and MRI image reconstruction

  • 5.

    K-space exploration

  • 6.

    Gradients and spatial frequency

  • 7.

    Spatial frequency, image resolution and contrast

  • 8.

    Linear trajectory through k-space

Image quality and artifacts (12)

  • 1.

    Image quality

  • 2.

    Signal-to-noise ratio

  • 3.

    Quality control

  • 4.

    Artifacts

  • 5.

    Motion and Ghosting artifacts : Origin

  • 6.

    Motion and Ghosting artifacts : Remedies

  • 7.

    Magnetic susceptibility and metal

  • 8.

    Truncation (Gibb's) artifact

  • 9.

    Aliasing (Wrap-around artifacts)

  • 10.

    Chemical shift artifacts

  • 11.

    Cross-talk

  • 12.

    Magic angle

Parallel imaging (9)

  • 1.

    Parallel imaging

  • 2.

    Phased array coils

  • 3.

    Reconstruction in the image domain

  • 4.

    Reconstruction in the frequency domain

  • 5.

    Choosing a reconstruction algorithm

  • 6.

    Benefits of parallel imaging

  • 7.

    Drawbacks of parallel imaging

  • 8.

    Applications of parallel imaging

  • 9.

    Parallel RF transmission (transmit SENSE)

Magnetic resonance angiography (MRA) and Flow MRI (7)

  • 1.

    Magnetic resonance angiography (MRA) and Flow MRI

  • 2.

    Overview of techniques to obtain vascular contrast

  • 3.

    Flow compensation

  • 4.

    Time-of-flight MR angiography

  • 5.

    Phase contrast angiography (PCA)

  • 6.

    Fresh Blood Imaging (FBI) MRA

  • 7.

    Contrast-enhanced MR Angiography

Cardiac MRI (10)

  • 1.

    Cardiac MRI

  • 2.

    Particularities of cardiac MRI

  • 3.

    Cardiac synchronization methods (cardiac gating)

  • 4.

    Slice planes in cardiac MRI

  • 5.

    Morphological cardiac imaging

  • 6.

    Functional cardiac imaging

  • 7.

    Phase-contrast velocity mapping

  • 8.

    First pass myocardial perfusion MRI

  • 9.

    Delayed Enhancement MRI (DE-MRI)

  • 10.

    Coronary MR angiography

Cerebral perfusion MRI (5)

  • 1.

    Brain perfusion imaging

  • 2.

    First-pass contrast-enhanced dynamic perfusion imaging (DSC MRI)

  • 3.

    Steady-state perfusion MRI with superparamagnetic contrast agents

  • 4.

    Perfusion imaging by spin labeling

  • 5.

    Main applications of perfusion MRI

Diffusion-weighted and Diffusion Tensor MR imaging (5)

  • 1.

    Principles of diffusion imaging

  • 2.

    Diffusion-weighted sequences

  • 3.

    Diffusion tensor and anisotropy

  • 4.

    Artifacts and image quality in diffusion imaging

  • 5.

    Main applications of diffusion

Functional MRI of the brain (5)

  • 1.

    Functional MRI of the brain

  • 2.

    Physiological basis of brain activation and BOLD contrast

  • 3.

    Data acquisition in functional MRI

  • 4.

    Analysis of functional MRI data

  • 5.

    Applications of functional MRI

Magnetic Resonance Spectroscopy (MRS) (9)

  • 1.

    Magnetic Resonance Spectroscopy (MRS)

  • 2.

    Chemical shift, spin-spin interaction and J-coupling

  • 3.

    Equipment and software required for MRS

  • 4.

    Field homogeneity, SNR and spectrum quality

  • 5.

    Metabolites explored in 1H-MRS

  • 6.

    Single voxel spectroscopy (SVS)

  • 7.

    Spectroscopic imaging (CSI : Chemical Shift Imaging)

  • 8.

    Signal processing in MRS

  • 9.

    Main clinical applications of MRS

Ultra-high field MRI (3 teslas and more) (4)

  • 1.

    Ultra-high field MRI (3 teslas and more)

  • 2.

    Physical parameters and ultra high field

  • 3.

    Adapting equipment and sequences for ultra high fields

  • 4.

    Clinical applications of ultra high field MRI

Improving MRI contrast : Contrast agents (5)

  • 1.

    Basic principles and classification of contrast agents

  • 2.

    Oral contrast agents

  • 3.

    Gadolinium chelates

  • 4.

    Iron oxides (SPIO, USPIO)

  • 5.

    Manganese chelates

Improving MRI contrast : Magnetization transfer (3)

  • 1.

    Free and bound protons

  • 2.

    Mechanisms of magnetization transfer

  • 3.

    Applications of magnetization transfer

Improving MRI contrast : Imaging water and fat (5)

  • 1.

    Imaging water and fat

  • 2.

    Fat signal suppression by short TI inversion-recovery (STIR)

  • 3.

    MRI Fat Saturation (Fat Sat, CHESS, SPIR, SPECIAL)

  • 4.

    Selective excitation

  • 5.

    Silicon imaging

Sequences (15)

  • 1.

    Sequences

  • 2.

    Characteristics of an MRI sequence

  • 3.

    Sequence classification

  • 4.

    Sequences acronyms

  • 5.

    Spin echo

  • 6.

    Fast spin echo

  • 7.

    Ultrafast spin echo sequences

  • 8.

    Inversion Recovery, STIR and FLAIR

  • 9.

    Gradient echo

  • 10.

    Spoiled gradient echo sequences

  • 11.

    Ultrafast spoiled gradient echo sequences

  • 12.

    Gradient echo sequences with steady state residual transverse magnetization

  • 13.

    T2-enhanced steady-state gradient echo

  • 14.

    Balanced gradient echo

  • 15.

    Hybrid sequences (spin echo + gradient echo)


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