Magnetic Resonance Imaging: Physical Principles and Applications

 
9780123886651: Magnetic Resonance Imaging: Physical Principles and Applications

This book is intended as a text/reference for students, researchers, and professors interested in physical and biomedical applications of Magnetic Resonance Imaging (MRI). Both the theoretical and practical aspects of MRI are emphasized. The book begins with a comprehensive discussion of the Nuclear Magnetic Resonance (NMR) phenomenon based on quantum mechanics and the classical theory of electromagnetism. The first three chapters of this book provide the foundation needed to understand the basic characteristics of MR images, e.g, image contrast, spatial resolution, signal-to-noise ratio, common image artifacts. Then MRI applications are considered in the following five chapters. Both the theoretical and practical aspects of MRI are emphasized. The book ends with a discussion of instrumentation and the principles of signal detection in MRI.

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From the Back Cover:

This book is intended as a text/reference for students and researchers interested in physical and biomedical applications of Magnetic Resonance Imaging (MRI). Both the theoretical and practical aspects of MRI are emphasized. The book begins with a comprehensive discussion of the Nuclear Magnetic Resonance (NMR) phenomenon based on quantum mechanics and the classical theory of electromagnetism. The reader is then introduced to the principles of image reconstruction in MRI: the use of Fourier transform, point-spread function, spatial resolution, and aliasing. Basic MRI techniques for spatial encoding and commonly used imaging pulse sequences are considered in detail. The discussion then focuses on contrast mechanisms in MRI, as well as different techniques used to improve contrast in MR images. Due to the importance of signal-to-noise ratio (SNR) in terms of image quality, the subject of SNR is addressed, highlighting the dependence on SNR on imaging parameters and field strength. Following the SNR discussion, common artifacts in MRI as well as the developed techniques for artifact reduction are described. Two chapters are dedicated to the subject of flow imaging and rapid MRI required for state-of-the-art diagnostic medical imaging.


Key Features:


* Clear progression from fundamental physical principles of NMR to MRI and its applications
* Extensive discussion of image acquisition and reconstruction of MRI
* Discussion of different mechanisms of MR image contrast
* Mathematical derivation of the signal-to-noise dependence on basic MR imaging parameters as well as field strength
* In-depth consideration of artifacts in MR images
* Comprehensive discussion of several techniques used for rapid MR imaging including rapid gradient-echo imaging, echo-planar imaging, fast spin-echo imaging and spiral imaging
* Qualitative discussion combined with mathematical description of MR techniques for imaging flow

About the Author:

Vadim Kuperman received his Ph.D. in physics from the Institute for High Temperatures in Moscow, Russia. He is affiliated with the Department of Radiology at the University of Chicago. As a magnetic resonance physicist, his interest lies in the development of both biomedical and physical applications of MRI.

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