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Quality Assurance And Image Artifacts In Magnetic Resonance Imaging
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Book Synopsis Quality Assurance and Image Artifacts in Magnetic Resonance Imaging by : Richard James R. Knowles
Download or read book Quality Assurance and Image Artifacts in Magnetic Resonance Imaging written by Richard James R. Knowles and published by Little, Brown Medical Division. This book was released on 1988 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Donald McRobbie Publisher :Institute of Physics and Engineering in Medicine ISBN 13 :9781903613610 Total Pages : pages Book Rating :4.6/5 (136 download)
Book Synopsis Quality Control and Artefacts in Magnetic Resonance Imaging by : Donald McRobbie
Download or read book Quality Control and Artefacts in Magnetic Resonance Imaging written by Donald McRobbie and published by Institute of Physics and Engineering in Medicine. This book was released on 2017-01-31 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Quality Control and Artefacts in Magnetic Resonance Imaging is an authoritative, comprehensive and practical guide for all medical imaging professionals with an interest in evaluating and assuring image quality and scanner performance in MRI. Written by leading UK experts, the report is a major revision of IPEM Report 80: Quality Control in Magnetic Resonance Imaging. The report is in two parts. Part I deals with quality control, with chapters on test object design and test materials, signal parameter measurement (signal-to-noise ratio, ghosting, etc.), geometric parameters (resolution, distortion), slice parameters (position, width and profile), relaxometry and contrast. For each parameter a consistent and systematic structure provides a literature review with reference to current international standards, parameter definition, description of test methods, practical guidance including frequency of measurement, analysis and interpretation of results, and pitfalls. A specialist QC chapter is a new and unique feature providing guidance relating to specific clinical and research techniques: field mapping, diffusion, BOLD fMRI, voxel-based morphometry, dynamic contrast-enhanced MRI, quantitative velocity mapping, spectroscopy, and ultra-high field MRI. Part II provides a comprehensive and exhaustive encyclopaedia of MRI artefacts both common and rare arising from technical limitations and faults, patient and organ motion, tissue properties, intrinsic MR physics, and reconstruction limitations. Pictorial examples of each artefact from clinical or phantom images are provided along with a detailed explanation of the causes and advice on reducing, avoiding or removing the artefact. A summary table of artefact appearance, causes and remediation will enable readers to diagnose and solve their own artefact problems. The practical nature of the report is underpinned by academic rigour with 269 references and a comprehensive index. Quality Control and Artefacts in Magnetic Resonance is an essential reference for all MRI departments and MRI professionals.
Book Synopsis Magnetic Resonance Imaging (MRI) Quality Control Manual by :
Download or read book Magnetic Resonance Imaging (MRI) Quality Control Manual written by and published by . This book was released on 2001 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis MRI from Picture to Proton by : Donald W. McRobbie
Download or read book MRI from Picture to Proton written by Donald W. McRobbie and published by Cambridge University Press. This book was released on 2017-04-13 with total page 405 pages. Available in PDF, EPUB and Kindle. Book excerpt: MR is a powerful modality. At its most advanced, it can be used not just to image anatomy and pathology, but to investigate organ function, to probe in vivo chemistry, and even to visualise the brain thinking. However, clinicians, technologists and scientists struggle with the study of the subject. The result is sometimes an obscurity of understanding, or a dilution of scientific truth, resulting in misconceptions. This is why MRI from Picture to Proton has achieved its reputation for practical clarity. MR is introduced as a tool, with coverage starting from the images, equipment and scanning protocols and traced back towards the underlying physics theory. With new content on quantitative MRI, MR safety, multi-band excitation, Dixon imaging, MR elastography and advanced pulse sequences, and with additional supportive materials available on the book's website, this new edition is completely revised and updated to reflect the best use of modern MR technology.
Author :Nuclear Magnetic Resonance Committee Task Group No.1 Publisher :American Institute of Physics ISBN 13 :9780883188002 Total Pages :11 pages Book Rating :4.1/5 (88 download)
Book Synopsis Quality Assurance Methods and Phantoms for Magnetic Resonance Imaging by : Nuclear Magnetic Resonance Committee Task Group No.1
Download or read book Quality Assurance Methods and Phantoms for Magnetic Resonance Imaging written by Nuclear Magnetic Resonance Committee Task Group No.1 and published by American Institute of Physics. This book was released on 1998-03-31 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis MRI in Clinical Practice by : Gary Liney
Download or read book MRI in Clinical Practice written by Gary Liney and published by Springer Science & Business Media. This book was released on 2007-04-27 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt: MRI is a continually evolving and expanding subject making an ever-increasing impact on medical practice. There are many comprehensive large MRI textbooks on the market but there is a distinct lack of short pocket-sized reference books to suit the growing number of people from various disciplines working in the medical imaging field today. This book provides an easily accessible source of reference material to supplement existing large texts.
Book Synopsis Rad Tech's Guide to MRI by : William H. Faulkner, Jr.
Download or read book Rad Tech's Guide to MRI written by William H. Faulkner, Jr. and published by John Wiley & Sons. This book was released on 2020-03-09 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt: The second edition of Rad Tech's Guide to MRI provides practicing and training technologists with a succinct overview of magnetic resonance imaging (MRI). Designed for quick reference and examination preparation, this pocket-size guide covers the fundamental principles of electromagnetism, MRI equipment, data acquisition and processing, image quality and artifacts, MR Angiography, Diffusion/Perfusion, and more. Written by an expert practitioner and educator, this handy reference guide: Provides essential MRI knowledge in a single portable, easy-to-read guide Covers instrumentation and MRI hardware components, including gradient and radio-frequency subsystems Provides techniques to handle flow imaging issues and improve the quality of MRIs Explains the essential physics underpinning MRI technology Rad Tech's Guide to MRI is a must-have resource for student radiographers, especially those preparing for the American Registry of Radiation Technologist (ARRT) exams, as well as practicing radiology technologists looking for a quick reference guide.
Book Synopsis Tg 1 - Acceptance Testing and Quality Assurance Procedures for Magnetic Resonance Imaging Facilities by : Edward Jackson
Download or read book Tg 1 - Acceptance Testing and Quality Assurance Procedures for Magnetic Resonance Imaging Facilities written by Edward Jackson and published by . This book was released on 2010-12-01 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Clinical Imaging Physics by : Ehsan Samei
Download or read book Clinical Imaging Physics written by Ehsan Samei and published by John Wiley & Sons. This book was released on 2020-06-30 with total page 458 pages. Available in PDF, EPUB and Kindle. Book excerpt: Clinical Medical Imaging Physics: Current and Emerging Practice is the first text of its kind—a comprehensive reference work covering all imaging modalities in use in clinical medicine today. Destined to become a classic in the field, this book provides state-of-practice descriptions for each imaging modality, followed by special sections on new and emerging applications, technologies, and practices. Authored by luminaries in the field of medical physics, this resource is a sophisticated, one-volume handbook to a fast-advancing field that is becoming ever more central to contemporary clinical medicine. Summarizes the current state of clinical medical imaging physics in one volume, with a focus on emerging technologies and applications Provides comprehensive coverage of all key clinical imaging modalities, taking into account the new realities in healthcare practice Features a strong focus on clinical application of principles and technology, now and in the future Contains authoritative text compiled by world-renowned editors and contributors responsible for guiding the development of the field Practicing radiologists and medical physicists will appreciate Clinical Medical Imaging Physics as a peerless everyday reference work. Additionally, graduate students and residents in medical physics and radiology will find this book essential as they study for their board exams.
Book Synopsis Introduction to Functional Magnetic Resonance Imaging by : Richard B. Buxton
Download or read book Introduction to Functional Magnetic Resonance Imaging written by Richard B. Buxton and published by Cambridge University Press. This book was released on 2009-08-27 with total page 479 pages. Available in PDF, EPUB and Kindle. Book excerpt: Functional Magnetic Resonance Imaging (fMRI) has become a standard tool for mapping the working brain's activation patterns, both in health and in disease. It is an interdisciplinary field and crosses the borders of neuroscience, psychology, psychiatry, radiology, mathematics, physics and engineering. Developments in techniques, procedures and our understanding of this field are expanding rapidly. In this second edition of Introduction to Functional Magnetic Resonance Imaging, Richard Buxton – a leading authority on fMRI – provides an invaluable guide to how fMRI works, from introducing the basic ideas and principles to the underlying physics and physiology. He covers the relationship between fMRI and other imaging techniques and includes a guide to the statistical analysis of fMRI data. This book will be useful both to the experienced radiographer, and the clinician or researcher with no previous knowledge of the technology.
Book Synopsis Image Artifact Reduction for Fast Magnetic Resonance Imaging by : Joseph Yitan Cheng
Download or read book Image Artifact Reduction for Fast Magnetic Resonance Imaging written by Joseph Yitan Cheng and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Magnetic resonance imaging (MRI) is a rich source for diagnostic information. It has the ability to obtain excellent soft-tissue contrast at a very high spatial resolution. The imaging process of this modality can be conveniently described as a linear system with Fourier encoding. However, to increase flexibility and robustness, imaging techniques are used that cause basic assumptions of this model to fall apart. As a result, image artifacts arise, decreasing the clinical quality of the scans. More sophisticated methods that take these effects into account must be considered. Many of the errors reside in both the spatial and frequency domain, so simple linear solutions do not suffice. Two sources of image artifacts are investigated: (1) concomitant gradient field and field inhomogeneity and (2) nonrigid motion in free-breathing acquisitions. Each image-artifact source has specific effects which are dependent on the application. For real-time cardiac imaging with spiral k-space trajectories, concomitant gradient field and field inhomogeneity errors result in image blurring. Two fast and practical solutions are developed and applied to real-time cardiac studies and high-resolution cardiac studies. MRI is also a compelling choice for imaging pediatric patients as they are highly susceptible to risks of ionizing radiation of computed tomography and nuclear scintigraphy studies. However, this imaging modality is highly sensitive to motion. The motion can result in destructive image artifacts. To enable free-breathing volumetric exams, novel data acquisition strategies and image reconstruction techniques are developed to compensate for nonrigid respiratory motion. These methods are demonstrated in select pediatric patient studies. Image artifacts fromrespiratory motion are reduced from the free-breathing abdominal scans.
Download or read book Diffusion MRI written by Derek K Jones and published by Oxford University Press. This book was released on 2010-11-11 with total page 784 pages. Available in PDF, EPUB and Kindle. Book excerpt: Professor Derek Jones, a world authority on diffusion MRI, has assembled most of the world's leading scientists and clinicians developing and applying diffusion MRI to produce an authorship list that reads like a "Who's Who" of the field and an essential resource for those working with diffusion MRI. Destined to be a modern classic, this definitive and richly illustrated work covers all aspects of diffusion MRI from basic theory to clinical application. Oxford Clinical Neuroscience is a comprehensive, cross-searchable collection of resources offering quick and easy access to eleven of Oxford University Press's prestigious neuroscience texts. Joining Oxford Medicine Online these resources offer students, specialists and clinical researchers the best quality content in an easy-to-access format.
Author :National Council on Radiation Protection and Measurements Publisher :National Council on Radiation Protection & Measurements ISBN 13 : Total Pages :272 pages Book Rating :4.3/5 (91 download)
Book Synopsis Quality Assurance for Diagnostic Imaging Equipment by : National Council on Radiation Protection and Measurements
Download or read book Quality Assurance for Diagnostic Imaging Equipment written by National Council on Radiation Protection and Measurements and published by National Council on Radiation Protection & Measurements. This book was released on 1988 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This report addresses factors that influence production of an image which contains the necessary information to enable the imaging physician to report the diagnostic findings to the referring physician. The report treats such matters as the establishment of a quality control program, procedures, objectives and policies, photographic quality control, quality control in conventional radiography, fluoroscopic and cine imaging and mobile radiographic capacitor discharge and fluoroscopic systems. Also treated are x-ray tomography, mammography, dental radiography, and radiological special procedures. Computed tomography, digital imaging, nuclear medicine, ultrasound and magnetic resonance imaging are also addressed. Information is provided on quality control elements of video systems and computers."--Knovel's description
Book Synopsis Quality Management in the Imaging Sciences by : Jeffrey Papp
Download or read book Quality Management in the Imaging Sciences written by Jeffrey Papp and published by Mosby. This book was released on 2006 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Accompanying CD-ROM contains ... "more than 300 practice exam questions for the ARRT Advanced Certification Examination in Quality Management, 26 lab experiments, 160 critical thinking questions, and more."--Page 4 of cover.
Book Synopsis Electromagnetics in Magnetic Resonance Imaging by : Christopher M. Collins
Download or read book Electromagnetics in Magnetic Resonance Imaging written by Christopher M. Collins and published by Morgan & Claypool Publishers. This book was released on 2016-03-01 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the past few decades, Magnetic Resonance Imaging (MRI) has become an indispensable tool in modern medicine, with MRI systems now available at every major hospital in the developed world. But for all its utility and prevalence, it is much less commonly understood and less readily explained than other common medical imaging techniques. Unlike optical, ultrasonic, X-ray (including CT), and nuclear medicine-based imaging, MRI does not rely primarily on simple transmission and/or reflection of energy, and the highest achievable resolution in MRI is orders of magnitude smaller that the smallest wavelength involved. In this book, MRI will be explained with emphasis on the magnetic fields required, their generation, their concomitant electric fields, the various interactions of all these fields with the subject being imaged, and the implications of these interactions to image quality and patient safety. Classical electromagnetics will be used to describe aspects from the fundamental phenomenon of nuclear precession through signal detection and MRI safety. Simple explanations and Illustrations combined with pertinent equations are designed to help the reader rapidly gain a fundamental understanding and an appreciation of this technology as it is used today, as well as ongoing advances that will increase its value in the future. Numerous references are included to facilitate further study with an emphasis on areas most directly related to electromagnetics.
Book Synopsis Medical Imaging Systems by : Andreas Maier
Download or read book Medical Imaging Systems written by Andreas Maier and published by Springer. This book was released on 2018-08-02 with total page 263 pages. Available in PDF, EPUB and Kindle. Book excerpt: This open access book gives a complete and comprehensive introduction to the fields of medical imaging systems, as designed for a broad range of applications. The authors of the book first explain the foundations of system theory and image processing, before highlighting several modalities in a dedicated chapter. The initial focus is on modalities that are closely related to traditional camera systems such as endoscopy and microscopy. This is followed by more complex image formation processes: magnetic resonance imaging, X-ray projection imaging, computed tomography, X-ray phase-contrast imaging, nuclear imaging, ultrasound, and optical coherence tomography.
Book Synopsis Texture Analysis for Magnetic Resonance Imaging by : Milan Hájek
Download or read book Texture Analysis for Magnetic Resonance Imaging written by Milan Hájek and published by Texture Analysis Magn Resona. This book was released on 2006 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt:
