MRI Basic Principles and Applications

Description

Cover Title Page Copyright Contents Preface ABR study guide topics Chapter 1 Production of net magnetization 1.1 Magnetic fields 1.2 Nuclear spin 1.3 Nuclear magnetic moments 1.4 Larmor precession 1.5 Net magnetization 1.6 Susceptibility and magnetic materials Chapter 2 Concepts of magnetic resonance 2.1 Radiofrequency excitation 2.2 Radiofrequency signal detection 2.3 Chemical shift Chapter 3 Relaxation 3.1 T1 relaxation and saturation 3.2 T2 relaxation, T2* relaxation, and spin echoes Chapter 4 Principles of magnetic resonance imaging-1 4.1 Gradient fields 4.2 Slice selection 4.3 Readout or frequency encoding 4.4 Phase encoding 4.5 Sequence looping Chapter 5 Principles of magnetic resonance imaging-2 5.1 Frequency selective excitation 5.2 Composite pulses 5.3 Raw data and image data matrices 5.4 Signal-to-noise ratio and tradeoffs 5.5 Raw data and k-space 5.6 Reduced k-space techniques 5.7 Reordered k-space filling techniques 5.8 Other k-space filling techniques 5.9 Phased-array coils 5.10 Parallel acquisition methods Chapter 6 Pulse sequences 6.1 Spin echo sequences 6.2 Gradient echo sequences 6.3 Echo planar imaging sequences 6.4 Magnetization-prepared sequences Chapter 7 Measurement parameters and image contrast 7.1 Intrinsic parameters 7.2 Extrinsic parameters 7.3 Parameter tradeoffs Chapter 8 Signal suppression techniques 8.1 Spatial presaturation 8.2 Magnetization transfer suppression 8.3 Frequency-selective saturation 8.4 Nonsaturation methods Chapter 9 Artifacts 9.1 Motion artifacts 9.2 Sequence/Protocol-related artifacts 9.3 External artifacts Chapter 10 Motion artifact reduction techniques 10.1 Acquisition parameter modification 10.2 Triggering/Gating 10.3 Flow compensation 10.4 Radial-based motion compensation Chapter 11 Magnetic resonance angiography 11.1 Time-of-flight MRA 11.2 Phase contrast MRA 11.3 Maximum intensity projection Chapter 12 Advanced imaging applications 12.1 Diffusion 12.2 Perfusion 12.3 Functional brain imaging 12.4 Ultra-high field imaging 12.5 Noble gas imaging Chapter 13 Magnetic resonance spectroscopy 13.1 Additional concepts 13.2 Localization techniques 13.3 Spectral analysis and postprocessing 13.4 Ultra-high field spectroscopy Chapter 14 Instrumentation 14.1 Computer systems 14.2 Magnet system 14.3 Gradient system 14.4 Radiofrequency system 14.5 Data acquisition system 14.6 Summary of system components Chapter 15 Contrast agents 15.1 Intravenous agents 15.2 Oral agents Chapter 16 Safety 16.1 Base magnetic field 16.2 Cryogens 16.3 Gradients 16.4 RF power deposition 16.5 Contrast media Chapter 17 Clinical applications 17.1 General principles of clinical MR imaging 17.2 Examination design considerations 17.3 Protocol considerations for anatomical regions 17.4 Recommendations for specific sequences and clinical situations References and suggested readings Index EULA