From the initial observation that dense material attenuates X-rays, the complex field of medical imaging has developed. With the knowledge of relative densities of various tissues, radiologists and other physicians have used radiography to diagnose disease in every body part and organ system. Nearly two decades old clinical Magnetic Resonance Imaging offers diagnostic power far beyond that of radiographic density or any other principle of imaging. MRI utilizes several different principles alone or in combination to address a medical question. A clear-cut understanding of the principles underlying MRI is essential for its fruitful and effective use. The success of MRI in practice mainly lies in its clarity and logicality. It is becoming increasingly difficult to keep pace with the developments in MRI. MRI requires a multitude of operating parameter decisions and improper choices can result in impaired image quality leading to wrong diagnosis.
There are several books on MRI but they are all from foreign authors. Some Indian authors also published books on Radiology and Imageology, in which MRI is one chapter or a part of it. Realizing the important role of MRI in the field of Imageology without the effects of radiation, we have made an attempt in this book exclusively on MRI to give a comprehensive presentation of the various principles and techniques of MRI.
While preparing this book we have taken into account our experiences with the protocols which change from institution to institution, consultant to consultant, company to company and equipment to equipment, version to version and technologists to technologists, while however the basic fundamentals remain the same.
Chapter 1 Introduction
Chapter 2 Contraindications and Patient Safety
Chapter 3 Basic Principles
Chapter 4 MRI—Pulse Sequences
Chapter 5 Components of MRI system
Chapter 6 Artifacts
Chapter 7 Tissue Characteristics
Chapter 8 Practical Imaging
Chapter 9 Recent Advances in Pulse Sequences
Chapter 10 MRI Contrast Agents
Chapter 11 Technical Factors Influencing the Image Quality
Suggestions, expert advice and constructive criticism are invited to enable us to handle them in our future editions.
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