MRI at a Glance / Edition 2

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Students of radiology and radiography at both undergraduate and postgraduate level often experience difficulty in learning MRI techniques. This book provides concise, easily accessible information on MRI physics which can be used as a revision tool.

Topics covered include relaxation processes, image contrast, pulse sequences, image production, image quality, artefacts, MRA, instrumentation and safety. Double page spreads for each section will contain a diagram and/or image depicting the main concepts of MR physics together with a succinct account of the topic in bullet points and tables.

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Editorial Reviews

Doody's Review Service
Reviewer: Kathleen M. Schmainda, PhD (Medical College of Wisconsin)
Description: This book provides a brief, largely comprehensive overview of the fundamental principles and applications of magnetic resonance imaging (MRI).
Purpose: The purpose is to provide core knowledge on MRI theory in an accessible format. This is a very worthy objective in today's fast-paced, information-dense world. For the most part the book does meet this objective. Where it falls short is as a more complete and accurate account of newer MRI methods such as perfusion and diffusion imaging and echo planar imaging.
Audience: The book is written for both students and practitioners who have to use or learn about MRI. It also is worthwhile for experienced MRI personnel who need a quick review on a particular topic or it could be used as a good reference for an introductory MRI course. The author is a credible authority given her experience in teaching and writing about MRI. However, some lack of experience and/or knowledge is evident when discussing newer topics and clinical applications. For example, the technical descriptions of diffusion and BOLD (blood oxygenation level dependent) methods as well as the discussion of stroke and malignancies contain some significant errors.
Features: The strength of this book lies in its a brief, two-page synopsis of much of MRI. Some nice added features include simple clear figures, and a table comparing the names of vendor-specific pulse sequences. This type of table is helpful to MRI personnel at all levels. In large part the chapters stand alone, but at the same time refer to other chapters to provide more detail. The strength of the book, as a brief introductory overview, is also its weakness. Reviews such as this often compromise accuracy for brevity. In some cases, however, the inaccuracies are not due to brevity, but are simply wrong. Even so, I would recommend this book as a good first introduction to MRI.
Assessment: The format and goal of this book is better than most other introductory MRI books in that it remains brief, yet provides coverage of a wide range of the most relevant MRI topics. A follow-up book with better coverage of newer MRI methods, along with corrections of any inaccuracies would be worthwhile. Also, application-specific MRI books like this might be useful, for example, a clinician's handbook for using MRI in the brain, abdomen, heart etc.

3 Stars from Doody
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Product Details

  • ISBN-13: 9781405192552
  • Publisher: Wiley
  • Publication date: 11/16/2009
  • Series: At a Glance Series , #17
  • Edition description: New Edition
  • Edition number: 2
  • Pages: 136
  • Sales rank: 718,152
  • Product dimensions: 8.50 (w) x 10.80 (h) x 0.40 (d)

Meet the Author

Catherine Westbrook MSc DCRR PgC (L&T) CTCert FHEA, is a senior lecturer and post-graduate pathway leader at the Faculty of Health & Social Care, Anglia Ruskin University Cambridge where she is responsible for post-graduate courses in MRI, CT, Radiography and Radiotherapy. Cathy is also an independent teaching consultant providing teaching and assessment in MRI and radiographic related subjects to clients all over the world.

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Table of Contents

Preface 7
Glossary 8
Pt. 1 Fundamentals
1 Magnetism and electromagnetism 12
2 Atomic structure 14
3 Alignment and precession 16
4 Resonance and signal generation 18
Pt. 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
Pt. 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
Pt. 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
Pt. 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
Pt. 6 Artefacts
33 Chemical shift 73
34 Chemical misregistration 74
35 Magnetic susceptibility 75
36 Phase mismapping 76
37 Phase wrap/aliasing 78
Pt. 7 Angiography
38 Flow phenomena 79
39 Time of flight angiography 82
40 Phase contrast MRA 84
41 Contrast enhanced MRA 86
Pt. 8 Contrast media
42 Contrast media 87
Pt. 9 Instrumentation
43 Magnets 90
44 Radio-frequency coils 92
45 Gradients 94
46 Other hardware 95
Pt. 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
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