Michael L. Lipton: Totally Accessible MRI

Cover: 9780387488950 | Totally Accessible MRI | Michael L. Lipton | Taschenbuch | xxii | 2008

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Beschreibung

BS"D All magnetic resonance technologists and all radiologists who work with magnetic resonance (MR) technology can be divided into two subgroups: (1) those who understand the underlying physics principles and how to apply them; and (2) those who do not. For so many patients and for so many diagnostic considerations, the difference between membership in these two groups is minimal. One can easily diagnose a vestibular schwannoma and accurately differentiate it from a cerebellopontine angle meningioma without being that well versed with many of the concepts underlying the creation of the MR images on which these tumors are depicted. One by rote can generate images of the pelvis that are quite diagnostic and aesthetically pleasing without really understanding the intricate interrelationships between the varying imaging parameters used in the generation of the obtained image contrast. There are certain situations, however, for which a more in depth und- standing isrequired. For example: Seeing tissue signaldisappear on a short T1 inversion recovery sequence yet recognizing that it does not have to originate from fat but may come from methemoglobin or some other short T1 tissue may prove clinicallyvital for arriving at the correct diagnosis. For suchcircumstances,understanding the underlying principles that govern the creation of the image and the contrast contained therein is critical and sets one apart and distinctlyahead of the competition, whocannot make this claim.

Zusammenfassung

This practical guide offers a lucid introduction to the principles of MRI physics. The author, recognized in the imaging community for his exceptional teaching methods and lectures, presents complex material in a highly accessible way. Each chapter explains the why and how behind MRI physics. Readers will understand how altering MRI parameters will have many different consequences for image quality and the speed in which images are generated. Practical topics, selected for their value to clinical practice, include progressive changes in key MRI parameters, imaging time, and signal to noise ratio. A wealth of high quality illustrations, complemented by concise text, enables readers to gain a thorough understanding of the subject without requiring prior in-depth knowledge.

Inhaltsverzeichnis

In the Beginning: Generating, Detecting, and Manipulating the MR (NMR) Signal.- Laying the Foundation: Nuclear Magnetism, Spin, and the NMR Phenomenon.- Rocking the Boat: Resonance, Excitation, and Relaxation.- Relaxation: What Happens Next?.- Image Contrast: T1, T2, T2*, and Proton Density.- Hardware, Especially Gradient Magnetic Fields.- User Friendly: Localizing and Optimizing the MRI Signal for Imaging.- Spatial Localization: Creating an Image.- Defining Image Size and Spatial Resolution.- Putting It All Together: An Introduction to Pulse Sequences.- Understanding, Assessing, and Maximizing Image Quality.- Artifacts: When Things Go Wrong, It's Not Necessarily All Bad.- Safety: First, Do No Harm.- To the Limit: Advanced MRI Applications.- Preparatory Modules: Saturation Techniques.- Readout Modules: Fast Imaging.- Volumetric Imaging: The Three-dimensional Fourier Transform.- Parallel Imaging: Acceleration with SENSE and SMASH.- Flow and Angiography: Artifacts and Imaging of Coherent Motion.- Diffusion: Detection of Microscopic Motion.- Understanding and Exploiting Magnetic Susceptibility.- Spectroscopy and Spectroscopic Imaging: In Vivo Chemical Assays by Exploiting the Chemical Shift.

Details

Erscheinungsjahr:	2008
Fachbereich:	Andere Fachgebiete
Genre:	Importe , Medizin
Rubrik:	Wissenschaften
Medium:	Taschenbuch
Inhalt:	xxii 384 S. 146 s/w Illustr. 7 farbige Illustr. 384 p. 153 illus. 7 illus. in color.
ISBN-13:	9780387488950
ISBN-10:	0387488952
Sprache:	Englisch
Herstellernummer:	11426110
Einband:	Kartoniert / Broschiert
Autor:	Lipton, Michael L.
Hersteller:	Springer US Springer New York Springer US, New York, N.Y.
Verantwortliche Person für die EU:	Springer Verlag GmbH, Tiergartenstr. 17, D-69121 Heidelberg, juergen.hartmann@springer.com
Maße:	235 x 155 x 19 mm
Von/Mit:	Michael L. Lipton
Erscheinungsdatum:	19.02.2008
Gewicht:	0,522 kg

Artikel-ID: 102142588

Zusammenfassung

Inhaltsverzeichnis

Details

Erscheinungsjahr:	2008
Fachbereich:	Andere Fachgebiete
Genre:	Importe , Medizin
Rubrik:	Wissenschaften
Medium:	Taschenbuch
Inhalt:	xxii 384 S. 146 s/w Illustr. 7 farbige Illustr. 384 p. 153 illus. 7 illus. in color.
ISBN-13:	9780387488950
ISBN-10:	0387488952
Sprache:	Englisch
Herstellernummer:	11426110
Einband:	Kartoniert / Broschiert
Autor:	Lipton, Michael L.
Hersteller:	Springer US Springer New York Springer US, New York, N.Y.
Verantwortliche Person für die EU:	Springer Verlag GmbH, Tiergartenstr. 17, D-69121 Heidelberg, juergen.hartmann@springer.com
Maße:	235 x 155 x 19 mm
Von/Mit:	Michael L. Lipton
Erscheinungsdatum:	19.02.2008
Gewicht:	0,522 kg