Ultrafast MRI - Jörg F. Debatin, Graeme C. McKinnon

Ultrafast MRI

Techniques and Applications
Buch | Softcover
XVI, 232 Seiten
2011 | 1. Softcover reprint of the original 1st ed. 1998
Springer Berlin (Verlag)
978-3-642-80386-4 (ISBN)
117,69 inkl. MwSt
The imaging potential of the MR experiment continues to evolve. In recent years, an increasing number of fast and ultrafast imaging strategies has been described. In this evolu tion the definition of the terms fast and ultrafast has been blurred. Hence they are frequently used interchangeably. The evolution of these methods has been based on two related, yet separate developments: an increasingly thorough understand ing of the complexities inherent to pulse sequence design and the increasing availability of stronger and faster gradient sys tems. The combination of these two factors has laid the foun dation for vast reductions of MRI data acquisition times. Min utes have been replaced by seconds. Beyond shortening MR examination times and thereby increasing patient throughput, a most significant consequence has been the ability to acquire complex MR image sets within the time confines of a single breath-hold. The constraints placed by the presence of respi ratory motion have thus been effectively eliminated. Ultrafast breath-held data acquisition strategies already represent the backbone of many abdominal, thoracic and even pelvic imaging protocols. The enhanced image quality permits full exploitation of the unsurpassed soft tissue contrast inherent to the MR experiment. Beyond improving the quality of ex isting applications, the implementation of ultrafast imaging techniques has permitted the exploration of new imaging in dications, particularly in the area of perfusion and diffusion as well as ultrafast 3D imaging.

1 The Physics of Ultrafast Magnetic Resonance Imaging.- 1 Introduction.- 2 Background Theory.- 3 MRI Basics.- 4 k-Space.- 5 k-Space Considerations for Ultrafast Imaging.- 6 Coherence Pathways.- 7 Fast Gradient-Echo Imaging.- 8 Planar k-Space Sampling Techniques.- 9 Physiological Gating.- 10 Hardware Considerations.- References.- 2 Ultrafast Magnetic Resonance Imaging of the Brain and Spine.- 1 Morphology.- 2 Function.- References.- 3 Ultrafast Magnetic Resonance Imaging of the Heart.- 1 Introduction.- 2 MRI in Myocardial Ischemia.- 3 Myocardial Function.- References.- 4 Ultrafast Magnetic Resonance Imaging of the Vascular System.- 1 Introduction.- 2 Vascular Morphology.- 3 Vascular Function.- References.- 5 Ultrafast Magnetic Resonance Imaging of the Abdomen.- 1 Introduction.- 2 Fast (Turbo) T2-Weighted Imaging.- 3 Fast 2D Gradient-Echo Imaging.- 4 Ultrafast 3D Gradient-Echo Imaging.- 5 Echo-planar Techniques.- References.

Erscheint lt. Verlag 14.12.2011
Mitarbeit Assistent: I. Berry, J.F. Debatin, J. Doornbos, P. Duthil, S. Göhde, H.J. Lamb, G.C. McKinnon, D.A. Leung, J.-P. Ranjeva, C. Manelfe, A. DeRoos
Zusatzinfo XVI, 232 p.
Verlagsort Berlin
Sprache englisch
Maße 155 x 235 mm
Gewicht 410 g
Themenwelt Medizinische Fachgebiete Radiologie / Bildgebende Verfahren Radiologie
Schlagworte Angiography • brain • Diagnosis • functional magnetic resonance imaging (fMRI) • Magnetic Resonance • Magnetic Resonance Imaging • Magnetic Resonance Imaging (MRI) • Magnetresonanztomographie • Radiologie • Radiology • Tomography • ultrafast MRI • ultraschnelle Magnetresonanztomographie
ISBN-10 3-642-80386-5 / 3642803865
ISBN-13 978-3-642-80386-4 / 9783642803864
Zustand Neuware
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