MRI at a glance
- نوع فایل : کتاب
- زبان : انگلیسی
- مؤلف : Catherine Westbrook
- ناشر : Oxford ; Malden, MA : Blackwell Science
- چاپ و سال / کشور: 2002
- شابک / ISBN : 9780632056194
Description
Preface 7 Glossary 8 Part 1: Fundamentals 1 Magnetism and electromagnetism 12 2 Atomic structure 14 3 Alignment and precession 16 4 Resonance and signal generation 18 Part 2: Image contrast 5 Contrast mechanisms 20 6 T1 recovery 22 7 T2 decay 24 8 T1 weighting 25 9 T2 weighting 26 10 Proton density weighting 27 Part 3: Pulse sequences 11 Pulse sequence mechanisms 28 12 Conventional spin echo 29 13 Fast or turbo spin echo 32 14 Inversion recovery 34 15 Gradient echo mechanisms 36 16 Coherent gradient echo 40 17 Incoherent sequences 41 18 Steady state free precession 42 19 Ultrafast sequences 44 20 Specialist sequences 46 Part 4: Image production 21 Gradient functions 48 22 Slice selection 50 23 Phase encoding 52 24 Frequency encoding 53 25 K space characteristics 54 26 Data acquisition 56 27 K space traversal 61 Part 5: Image quality 28 Signal-to-noise ratio 64 29 Contrast-to-noise ratio 66 30 Spatial resolution 68 31 Scan time 71 32 Trade-offs 72 Part 6: Artefacts 33 Chemical shift 73 34 Chemical misregistration 74 35 Magnetic susceptibility 75 36 Phase mismapping 76 37 Phase wrap/aliasing 78 Part 7: Angiography 38 Flow phenomena 79 39 Time of flight angiography 82 40 Phase contrast MRA 84 41 Contrast enhanced MRA 86 Part 8: Contrast media 42 Contrast media 87 Part 9: Instrumentation 43 Magnets 90 44 Radio-frequency coils 92 45 Gradients 94 46 Other hardware 95 Part 10: Safety 47 Bioeffects 96 48 Projectiles 97 49 Screening and safety procedures 98 50 Emergencies in the MR environment 100 Appendix 101 Index 105
Series Title: At a glance series (Oxford, England)
