Info
The Challenges of MRI : Techniques and Quantitative Methods for Health
| The Challenges of MRI : Techniques and Quantitative Methods for Health |
| Autore | Ratiney Helene |
| Edizione | [1st ed.] |
| Pubbl/distr/stampa | Newark : , : John Wiley & Sons, Incorporated, , 2024 |
| Descrizione fisica | 1 online resource (398 pages) |
| Disciplina | 616.07548 |
| Altri autori (Persone) | BeufOlivier |
| Soggetto topico |
Magnetic resonance imaging
Diagnostic imaging |
| ISBN |
9781394284030
1394284039 9781394284009 1394284004 |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Cover -- Title Page -- Copyright Page -- Contents -- Introduction -- Chapter 1. MRI Principles, Hardware Components and Quantification -- 1.1. Introduction -- 1.2. Macroscopic magnetization and static magnetic field B0 -- 1.2.1. Nuclear magnetization -- 1.2.2. Magnet -- 1.2.3. Roles and orders of magnitude -- 1.2.4. Technical approaches -- 1.2.5. Novel technologies -- 1.3. Description of the magnetization evolution -- 1.4. Excitation: perturbing the magnetization -- 1.4.1. Principle -- 1.4.2. Transmit coil -- 1.4.3. Radiofrequency signal reception -- 1.5. Spatial localization in MRI -- 1.5.1. Principle -- 1.5.2. Magnetic field gradients -- 1.6. Signal-to-noise ratio notion in MRI -- 1.7. Useful signal and information -- 1.7.1. A "complex" signal in a mathematical and bio-physical sense -- 1.7.2. From qualitative to quantitative -- 1.8. Conclusion -- 1.9. Acknowledgments -- 1.10. References -- Chapter 2. Radiofrequency Coils: Theoretical Principles and Practical Guidelines -- 2.1. Coil as an electrical resonant circuit -- 2.1.1. Basic concepts -- 2.1.2. Coil tuning and matching -- 2.2. Coil as a source of a magnetic RF field -- 2.2.1. Polarization and 1 B+ and 1 B- fields -- 2.3. Transmit coil -- 2.4. Receive coil -- 2.4.1. Sensitivity factor -- 2.4.2. Noise regimes -- 2.5. Decoupling -- 2.6. RF coil and safety -- 2.6.1. Specific absorption rate and temperature -- 2.6.2. Transmission and safety -- 2.7. Advanced topics and coil challenges -- 2.8. Conclusion -- 2.9. References -- Chapter 3. Fast Imaging and Acceleration Techniques -- 3.1. Introduction -- 3.2. Definition of fast imaging -- 3.3. Fast accelerated sequences -- 3.3.1. Sequence optimization -- 3.3.2. Turbo spin echo and echo-planar imaging -- 3.3.3. Non-Cartesian methods -- 3.4. Acceleration methods -- 3.4.1. Partial Fourier -- 3.4.2. Parallel imaging.
3.4.3. Simultaneous multislice imaging -- 3.4.4. Iterative reconstruction -- 3.5. Applications -- 3.6. References -- Chapter 4. The Basics of Diffusion and Intravoxel Incoherent Motion MRI -- 4.1. Introduction -- 4.2. The history and physics of diffusion -- 4.3. Diffusion and NMR -- 4.3.1. First NMR measurements of diffusion -- 4.3.2. Measurements of diffusion with pulsed gradients: the Stejskal and Tanner method -- 4.4. Water diffusion in biological tissues -- 4.5. Diffusion magnetic resonance imaging -- 4.5.1. Diffusion MRI pulse sequences -- 4.5.2. Applications of DW-MRI -- 4.6. IntraVoxel Incoherent Motion MRI -- 4.7. Conclusion -- 4.8. References -- Chapter 5. Functional MRI -- 5.1. BOLD-contrast functional imaging and brain connectivity -- 5.1.1. Introduction -- 5.1.2. BOLD-contrast functional MRI principles -- 5.1.3. fMRI activation paradigms -- 5.1.4. Resting fMRI and functional cerebral connectivity mapping -- 5.2. Diffusion MRI and brain function -- 5.2.1. Introduction -- 5.2.2. IVIM fMRI -- 5.2.3. Diffusion functional MRI -- 5.2.4. Toward functional tractography: a global diffusion framework within the brain connectome -- 5.3. Conclusion -- 5.4. References -- Chapter 6. Vascular Imaging: Flow and Perfusion -- 6.1. Introduction -- 6.2. Contrast agents -- 6.2.1. Biological behavior -- 6.2.2. Diamagnetism, paramagnetism and superparamagnetism -- 6.2.3. Relaxivity effect -- 6.2.4. Susceptibility effect -- 6.3. Angiography -- 6.3.1. White-blood imaging -- 6.3.2. Phase contrast imaging -- 6.3.3. Black-blood imaging -- 6.3.4. Other techniques -- 6.3.5. Dynamic angiography -- 6.4. Perfusion imaging -- 6.4.1. Dynamic susceptibility contrast -- 6.4.2. Dynamic contrast-enhanced -- 6.4.3. Arterial spin labeling (ASL) -- 6.4.4. Experimental approaches -- 6.5. Considerations for imaging in humans and small animals -- 6.5.1. Angiography in rodents. 6.5.2. Perfusion MRI in rodents -- 6.6. References -- Chapter 7. Quantitative Biomechanical Imaging via Magnetic Resonance Elastography -- 7.1. Fundamentals of magnetic resonance elastography -- 7.1.1. Introduction -- 7.1.2. MRE signal encoding -- 7.1.3. MRE data reconstruction -- 7.2. MRE sequences -- 7.2.1. Fractional encoding -- 7.2.2. Multidirectional encoding -- 7.2.3. Diffusion MRE -- 7.2.4. Optimal control MRE -- 7.3. Main targeted organs and applications -- 7.3.1. Liver MRE -- 7.3.2. Brain MRE -- 7.3.3. MRE and other organs -- 7.3.4. Other applications -- 7.4. Conclusion -- 7.5. Acknowledgments -- 7.6. References -- Chapter 8. Imaging of Dipolar Interactions in Biological Tissues: ihMT and UTE -- 8.1. Introduction -- 8.2. Origins of ultrashort T2 -- 8.2.1. Dipolar coupling in NMR -- 8.2.2. Dipolar resonance line broadening -- 8.2.3. Motional averaging -- 8.3. Imaging of the inhomogeneous magnetization transfer -- 8.3.1. Dipolar order and radiofrequency saturation -- 8.3.2. Dipolar order and inhomogeneous magnetization transfer -- 8.3.3. Specificity of the ihMT signal and relaxation of the dipolar order -- 8.3.4. Specificity of the ihMT signal to myelin -- 8.3.5. Research outlook -- 8.4. Ultrashort echo time imaging -- 8.4.1. Definition of T2 ranges -- 8.4.2. Distribution of short T2 values in cerebral tissue -- 8.4.3. What are the technical challenges for detecting signals with ultrashort T2? -- 8.4.4. What are the challenges for the characterization of signals with ultrashort T2 in the cerebral tissue? -- 8.4.5. Applications: myelin imaging -- 8.5. Conclusion -- 8.6. References -- Chapter 9. In Vivo MR Spectroscopy and Metabolic Imaging -- 9.1. Introduction -- 9.2. In vivo MR spectroscopy -- 9.2.1. Free induction decay signal -- 9.2.2. Chemical shift and dipolar coupling -- 9.2.3. Metabolites investigated in MRS. 9.2.4. Principle of signal localization -- 9.2.5. Signal editing, suppression and inversion -- 9.2.6. Experimental considerations in MRS -- 9.3. Processing and quantification of MRS signals -- 9.3.1. Good practices for preprocessing MRS/CSI data -- 9.3.2. Quantification method -- 9.4. Chemical exchange saturation transfer imaging -- 9.4.1. General principle -- 9.4.2. Conditions for CEST effect -- 9.4.3. Saturation transfer -- 9.4.4. Characterization of the magnetization transfer -- 9.5. Non-proton nuclei MR spectroscopy or imaging -- 9.5.1. Nuclei of interest in metabolic MRS/MRI -- 9.5.2. Applications overview -- 9.6. Conclusion -- 9.7. References -- Chapter 10. Physical-model-constrained MRI: Fast Multiparametric Quantification -- 10.1. Introduction -- 10.2. Multiparametric MRI based on chemical-shift-sensitive acquisitions -- 10.2.1. Signal's origin and chemical-shift-encoded acquisitions -- 10.2.2. Physical models and optimization methods for the quantification -- 10.2.3. Clinical and preclinical applications -- 10.3. Multiparametric MRI using steady-state acquisitions in repeated fast sequences -- 10.3.1. Steady state in a stationary sequence without transverse effects -- 10.3.2. Transverse effects considerations for describing steady states -- 10.3.3. Uses in multiparametric quantitative imaging -- 10.3.4. Clinical and preclinical applications -- 10.3.5. Conclusion -- 10.4. MRI fingerprinting -- 10.4.1. Concept -- 10.4.2. Different types of measurements -- 10.4.3. Technical developments -- 10.4.4. Applications and perspectives -- 10.5. Conclusion -- 10.6. References -- Chapter 11. Interventional MRI -- 11.1. Introduction to interventional MRI -- 11.1.1. Intervention planning -- 11.1.2. Pre-operatory imaging -- 11.1.3. Post-operative follow-up imaging -- 11.2. Technical considerations in interventional MRI. 11.2.1. Choice of the MRI acquisition sequence -- 11.2.2. Image reconstruction -- 11.2.3. Image analysis and display -- 11.2.4. Motion management -- 11.3. Interventional MRI hardware -- 11.3.1. Intracorporeal medical devices -- 11.3.2. Extracorporeal therapeutic medical devices -- 11.4. MR-Linac -- 11.5. MRI thermometry for guided thermal therapies -- 11.5.1. Principle of MRI thermometry -- 11.5.2. Practical implementation, advantages and limitations of MRI thermometry -- 11.6. High-intensity focused ultrasound -- 11.6.1. General principles -- 11.6.2. Application domains -- 11.7. Perspectives of interventional MRI -- 11.8. References -- Chapter 12. Ultra-high Field Imaging -- 12.1. Historical overview -- 12.2. Quest toward higher field MR systems - why? -- 12.2.1. Advantages and benefits of ultra-high field systems -- 12.2.2. Disadvantages and challenges -- 12.3. Quest toward higher fields - how? -- 12.3.1. Technical constraints -- 12.3.2. Physiological constraints, contraindications and safety -- 12.4. Main applications and novel opportunities -- 12.4.1. Cerebrovascular diseases -- 12.4.2. Brain tumors -- 12.4.3. Focal epilepsy -- 12.4.4. Multiple sclerosis -- 12.4.5. Sodium imaging -- 12.4.6. Creating new normalization spaces (templates) -- 12.4.7. Imaging of the cartilage and muscle injuries -- 12.5. Parallel transmission: technical solutions and imaging -- 12.6. Conclusion -- 12.7. Acknowledgments -- 12.8. References -- List of Authors -- Index -- EULA. |
| Record Nr. | UNINA-9911019506703321 |
Ratiney Helene
|
||
| Newark : , : John Wiley & Sons, Incorporated, , 2024 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Les Enjeux de L'IRM : Techniques et Méthodes Quantitatives Pour la Santé
| Les Enjeux de L'IRM : Techniques et Méthodes Quantitatives Pour la Santé |
| Autore | Ratiney Hélène |
| Edizione | [1st ed.] |
| Pubbl/distr/stampa | London : , : ISTE Editions Ltd., , 2023 |
| Descrizione fisica | 1 online resource (404 pages) |
| Altri autori (Persone) | BeufOlivier |
| Collana | Sciences |
| ISBN | 1-78949-113-4 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | fre |
| Nota di contenuto | Front Cover Page -- Table des matières -- Introduction -- Chapitre 1 : Principes, chaîne instrumentale et quantification en IRM -- Chapitre 2 : Antennes radiofréquences, principes théoriques et guide pratique -- Chapitre 3 : Imagerie rapide et techniques d'accélération -- Chapitre 4 : Les bases de la diffusion et l'IRM Intravoxel Incoherent Motion -- Chapitre 5 : IRM fonctionnelle -- Chapitre 6 : Imagerie vasculaire : flux et perfusion -- Chapitre 7 : Imagerie quantitative biomécanique par élastographie par résonance magnétique -- Chapitre 8 : Imagerie des interactionsdipolaires dans les tissusbiologiques : ihMT et UTE -- Chapitre 9 : Spectroscopie RMN in vivo et imagerie métabolique -- Chapitre 10 : IRM contraint par le modèlephysique : quantification multiparamétrique rapide -- Chapitre 11 : IRM interventionnelle -- Chapitre 12 : Imagerie à ultra-haut champ -- Liste des auteurs -- Index -- Back Cover Page. |
| Record Nr. | UNINA-9910915672603321 |
|
Ratiney Hélène
|
||
| London : , : ISTE Editions Ltd., , 2023 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||