Ultra High Field Magnetic Resonance Imaging

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Ultra High Field Magnetic Resonance Imaging

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Author : Pierre-Marie Robitaille
language : en
Publisher: Springer Science & Business Media
Release Date : 2007-12-31

Ultra High Field Magnetic Resonance Imaging written by Pierre-Marie Robitaille and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-12-31 with Medical categories.

The foundation for understanding the function and dynamics of biological systems is not only knowledge of their structure, but the new methodologies and applications used to determine that structure. This volume in Biological Magnetic Resonance emphasizes the methods that involve Ultra High Field Magnetic Resonance Imaging. It will interest researchers working in the field of imaging.

Ultra High Field Magnetic Resonance Imaging Mri Instrumentation And Clinical Implementation

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Author : Shaileshkumar B. Raval, Ph.D.
language : en
Publisher: Index of Sciences Ltd
Release Date : 2021-04-06

Ultra High Field Magnetic Resonance Imaging Mri Instrumentation And Clinical Implementation written by Shaileshkumar B. Raval, Ph.D. and has been published by Index of Sciences Ltd this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-04-06 with Science categories.

Magnetic Resonance Imaging“Magnetic Resonance Imaging” (MRI) is the most widely clinically used diagnostic tool for soft tissue imaging. This advanced technology and its applications are under continuous research and development, ranging from lower fields to ultra-high fields to the highest possible fields for preclinical (animal) and human imaging. Formerly known as Nuclear Magnetic Resonance Imaging (NMR), with the rising demands of clinical diagnosis requirements, it is under constant development and innovation in hospitals for populations around the world because of constant desire to go to higher fields that lead to unique research and clinical applications that aren’t achievable with other commercially and or research technologies. The basics of MRIThe human body is rich in hydrogen, when a human body is subjected to a large magnetic field, many of the free hydrogen nuclei align themselves with the direction of the magnetic field. MRI works on the principle of the directional magnetic field associated with charged particles in motion. MRI is also known as nuclear magnetic resonance imaging, a technique used to create images of parts of the human body based on the resonance of nuclei in motion under the effect of a magnetic field. Overview of the bookThis book’s lucid style makes it an easy read. It is written in a simple and comprehensible way, making it easy to followand readfor a large audience ranging from students to researchers. The areas covered include an overview of the theories and practical aspects of High-Field MRIwith each chapter Introduction, Challenges, Objectives, Methods(Materials), Results, Discussion, FutureWworks,including basic concepts, along with research-oriented and clinical concepts, technologies that are researched and developed, and implemented clinically, and published nationally and internationally recognized conferences, and publications with global awards recognition from ISMRM, TTS, and many other academic and industry organizationsthat are recognized worldwide. In this book, unexplored research theories are described along with a list of products, project developments, and completion of major and unattempted theories, which are considered to be challenging in high-field MRI. These unexplored research theories are further delved into to emerge with practical and translational products, as described in various chapters. These products are deemed to be of potential research and clinical use if implemented in clinical and hospital settings, to help thus could the patients as well as healthy populations to improve the standard of their lives. Advances in extremities and musculoskeletal imaging in patients undergoing transplants, including first-ever(never been implemented)technologies such as Ultra high field upper extremity RF coils, research publications, and intellectual properties have been explored in detail. Another major advancement discussed in this book is the Whole-body MRI RF high density transmit coil and receiver array designs(first evevr application of antenna design), published in national and international journals as intellectual properties. Various other aspects of these 4intellectual properties have been discussed such as instrumentation developed, design procedures, Electromagnetic Simulations (simulated versions), Novel whole head(Brain) MRI RF array, Innovative Visualization Techniques, Neuro and vascular flow imaging, Segmentation methods. Regenerative Imaging, Pre and post-operative (surgical) imaging, clinical implementations, pulse sequence developments and optimizations, imaging resultswith 3D volume Texture and Visualizations, also peer research and references from around the world, plus future works, and more have been entailed. This is a rather different book in terms of depth and detail in which the subject is dealt with in this book. The data is well represented with tables, equations, and nearly three hundred figures. Combining technologies, research, and clinical applications of innovations in the field of MRI, it is one of a kind and a treat for curious minds. The content is mainly focused on whole head imaging, whole-body imaging, and extremity imaging, describing their clinical applications and their implementation for high risk and high demand patient populations, healthy populations for enhanced human anatomical, biological, functional and physiological performances in a detailed manner. The research has been utilized by peers in their studies, research, publications, and learning as part of the research and clinical developments, and implementations. This book presents the author’s original research works and their applications in the real world to offer advanced innovations to the healthcare sector and improve quality and standard of life for the masses around the world and beyond as future goals as there are many aviations,Biomedical Applications and projects are in demand. The author’s research works have been publishedand awarded in various nationalllyand internationallyrecognized journals and presented in numerous conferences as well. The chapters of this book are each one of the many research publications by the author

Ultra High Field Neuro Mri

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Author : Karin Markenroth Bloch
language : en
Publisher: Elsevier
Release Date : 2023-08-21

Ultra High Field Neuro Mri written by Karin Markenroth Bloch and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-08-21 with Computers categories.

Ultra-High Field Neuro MRI is a comprehensive reference and educational resource on the current state of neuroimaging at ultra-high field (UHF), with an emphasis on 7T. Sections cover the MR physics aspects of UHF, including the technical challenges and practical solutions that have enabled the rapid growth of 7T MRI. Individual chapters are dedicated to the different techniques that most strongly benefit from UHF, as well as chapters with a focus on different application areas in anatomical, functional and metabolic imaging. Finally, several chapters highlight the neurological and psychiatric applications for which 7T has shown benefits. The book is aimed at scientists who develop MR technologies and support clinical and neuroscience research, as well as users who want to benefit from UHF neuro MR techniques in their work. It also provides a comprehensive introduction to the field. Presents the opportunities and technical challenges presented by MRI at ultra-high field Describes advanced ultra-high field neuro MR techniques for clinical and neuroscience applications Enables the reader to critically assess the specific UHF advantages over currently available techniques at clinical field strengths

Biological Magnetic Resonance

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Author : Lawrence Berliner
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-09

Biological Magnetic Resonance written by Lawrence Berliner and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-09 with Science categories.

Biological magnetic resonance (NMR and EPR) is a rapidly expanding area of research with much activity in most universities and research institutions. International conferences are held biennially with an increasing number of participants. With the introduction of sophisticated and continuously im proving instrumentation, biological magnetic resonance is approaching the state of a common physical method in biochemical, biomedical, and bio logical research. The lack of monograpbs on the subject had been con spicuous for a long time. This gap started to close only recently. However, because of the rapid expansion and intensive research, many texts are dated by the time of their appearance. Therefore we have undertaken the editing of a series that is intended to provide the practicing chemist, biochemist, or biologist with the advances and progress in selected contemporary topics. In seeking to make the series as authoritative as possible, we have invited authors who have not only made significant contributions but who are also currently active in their fields. We hope that their expertise as well as their first hand experience as reflected in the chapters of this volume will be of benefit to the reader, inter alia, in planning his own experiments and in critically evaluating the current literature.

Susceptibility Effects In Ultra High Field Magnetic Resonance Imaging Of The Human Brain

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Author : Trong-Kha Truong
language : en
Publisher:
Release Date : 2004

Susceptibility Effects In Ultra High Field Magnetic Resonance Imaging Of The Human Brain written by Trong-Kha Truong and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Brain categories.

Abstract: In magnetic resonance imaging (MRI), susceptibility differences between deoxygenated blood or iron and surrounding tissue induce mesoscopic static magnetic field (B0) inhomogeneities that provide a valuable contrast mechanism for imaging of the vasculature, functional MRI, and assessment of iron content. On the other hand, susceptibility differences at air/tissue interfaces induce macroscopic B0 inhomogeneities resulting in image artifacts. Ultra-high field (greater than or equal to 7 tesla) MRI benefits from an enhanced susceptibility contrast, but also suffers from more severe susceptibility artifacts. The development of methods to reduce such artifacts while maintaining susceptibility contrast is the objective of this research. Development of susceptibility artifact correction methods requires knowledge of the macroscopic susceptibility effects, which can be quantified by mapping B0, whereas optimization of methods sensitive to susceptibility contrast requires understanding of the mesoscopic susceptibility effects, which can be characterized by relaxation time measurements. We first developed various methods for B0 numerical simulations and experimental mapping. Our simulations showed that air/tissue interfaces at the shoulders induce substantial B0 inhomogeneities in the brain, and that tilting the head backwards can significantly reduce some of these inhomogeneities. We used the B0 simulations and experimental mapping as well as radiofrequency magnetic field (B1) mapping to correlate the B0 and B1 inhomogeneity with the artifacts observed on images of the human brain acquired at 8 T. We then evaluated different susceptibility artifact correction methods at ultra-high field strength using B0 maps, including passive shimming, post-processing, and gradient compensation, and found the latter to be the most effective. Finally, we developed various methods for T2 and T2* relaxation time measurements at ultra-high field strength that are faster and less sensitive to B0 and/or B1 inhomogeneity than existing methods, and demonstrated these advantages in phantom and human studies. New findings obtained in this work will be used to improve ultra-high field MRI of the human brain, particularly for imaging of the venous microvasculature and assessment of iron content.

7t Mri An Issue Of Magnetic Resonance Imaging Clinics Of North America

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Author : Meng Law
language : en
Publisher: Elsevier Health Sciences
Release Date : 2020-11-30

7t Mri An Issue Of Magnetic Resonance Imaging Clinics Of North America written by Meng Law and has been published by Elsevier Health Sciences this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-11-30 with Medical categories.

This issue of MRI Clinics of North America focuses on 7T MRI and is edited by Dr. Meng Law. Articles will include: 3T vs 7T MRI: Is It Really Worth It?; High Resolution Structural MRI & Quantitative Susceptibility Mapping; High Resolution Neurovascular Imaging at 7T: Arterial Spin Labeling Perfusion, 4-dimensional MR Angiography and Black blood MRI; 7T and Beyond Functional MRI; Sodium and Other UHF MRI; MR-EYE: Ultra High Field MRI of the Human Eye and Orbit at 7T; 7T MRI of Perivascular Spaces; 7T MRI in “Non Lesional" Epilepsy/ Perivascular Spaces; 7T Multiple Sclerosis; 7T Brain Tumors and Radiation Therapy; 7T Musculoskeletal MRI; Body Applications for 7T; MRI Safety at 7T/Implants; 7T Simultaneous MRI PET with PET Insert; GluCest 7T MRI; and more!

High Field Mr Imaging

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Author : Jürgen Hennig
language : en
Publisher: Springer Science & Business Media
Release Date : 2011-08-31

High Field Mr Imaging written by Jürgen Hennig and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-08-31 with Medical categories.

This book describes the current status of the very rapidly developing field of high-field MR and examines the possibilities, challenges, and limitations of this fascinating technology. In the initial chapters, the basic technological background is explained in a non-technical way so as to promote understanding of the issues and concepts and avoid overwhelming the reader with excessive detail. Safety issues, methods, and contrast are then carefully considered. The final part of the book examines the diverse applications of high-field MR imaging in radiology, neuroscience, oncology, and other fields, with the aid of numerous high-quality illustrations. All chapters are written by leading experts who have taken great care to illustrate the potential and progress of the field in an informative and accessible manner. The book will appeal to all with a potential interest in the application of high-field MR imaging, including radiologists, neuroscientists, and oncologists.

Clinical Low Field Strength Magnetic Resonance Imaging

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Author : Hans-Martin Klein
language : en
Publisher: Springer
Release Date : 2015-10-03

Clinical Low Field Strength Magnetic Resonance Imaging written by Hans-Martin Klein and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-10-03 with Medical categories.

This book covers all aspects of low field MRI, describing its advantages, problems and prerequisites. Individual chapters are devoted to site planning, safety considerations, coils, imaging technique, image quality optimization, the imaging of different anatomic regions and likely future developments. The factors that must be borne in mind when selecting a low field system are clearly identified and detailed attention is paid to the applications for which such a system is adequate. The focus on high field systems has led to a situation where only a few systems with field strengths lower than 0.5 T survive. Some of these systems possess high field features such as multichannel coils and strong gradients; furthermore, sequence technology and image processing techniques taken from higher field strength systems have resulted in impressive imaging capabilities. While 1.5-T systems will probably continue to remain the standard, low field systems offer advantages such as the feasibility of dynamic joint examinations, improvement of T1 contrast, reduction of “missile effects” and decreased radiofrequency exposure. Low field strength MRI consequently has the potential to contribute to optimal patient management and given comparable image quality, its application may become an issue of patient safety. This book will be an invaluable asset to all who are involved in planning and/or running a low field strength MRI facility.

Magnetic Resonance In Medicine

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Author : Peter A. Rinck
language : en
Publisher: BoD – Books on Demand
Release Date : 2019-01-24

Magnetic Resonance In Medicine written by Peter A. Rinck and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-01-24 with Medical categories.

Originally developed in the laboratory of Nobel Prize winner Paul C. Lauterbur in the early 1980s, the 12th edition (2018) of this standard textbook has been completely revised, updated, and new critical remarks and comments were added. The author, Peter A. Rinck, is one of the pioneers of nuclear magnetic resonance in medicine and of magnetic resonance imaging. Radiology: One of the most lucid and best illustrated introductory MR texts. European Radiology: An outstanding book, an excellent well-proven didactic approach. Journal of Magnetic Resonance imaging (JMRI): The book more than fulfills its attempted purpose. Amazon Review: This text is by far the best treatise of MRI at the basic level. Academic Radiology: In summary, it is not only an ideal first text, but it's a bargain. Fortschr Röntgenstr (RöFo): In fact, an MR expert has finally succeeded in putting himself in the MR beginner's shoes, explaining the necessary basic knowledge in a very vivid and entertaining way. The author: The perfect book for those wanting to do research and needing to check or refresh the basics and recent developments.

Innovations In Mr Hardware From Ultra Low To Ultra High Field

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Author : Elmar Laistler
language : en
Publisher: Frontiers Media SA
Release Date : 2022-10-20

Innovations In Mr Hardware From Ultra Low To Ultra High Field written by Elmar Laistler and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-10-20 with Science categories.