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Why Neuroradiologists Should Consider Very-High-Field Magnets for Clinical Applications of Functional Magnetic Resonance Imaging

Why Neuroradiologists Should Consider Very-High-Field Magnets for Clinical Applications of... Topics irr Magneric Resonance Imaging 10(1): 1-2 0 1999 Lippincott Williams & Wilkins, Inc., Philadelphia Editorial Why Neuroradiologists Should Consider Very-High-Field Magnets for Clinical Applications of Functional Magnetic Resonance Imaging The harnessing of the nuclear magnetic resonance (MR) quality. Considerations of the potential for obtaining in- property of hydrogen nuclei, a very weak phenomenon formation from other metabolites with nonwater protons fxst described 50 years ago (1,2), has had an enormous and other nuclei (e.g., phosphorus) through MR spectros- impact on the practice of modem radiology. The inherent copy encouraged the pursuit of 1.5- to 2.0-T scanners. lack of sensitivity of MR is counteracted by the fact that After more than a decade of tribulations, these decisions biologic materials are mostly water (8&100%) with a have been validated with the recent acceptance of a reim- very high water proton concentration (about 100 M). Al- bursement code for spectroscopic information. though cross-sectional computed tomography introduced A new horizon in very high field-strength clinical MRI, by Hounsfield (3) represents the culmination of more than using 3.0- and possibly 4.0-T magnets, has now been a century of applications of X radiation for medical im- reached. Over the last several years, functional MRI http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Topics in Magnetic Resonance Imaging Wolters Kluwer Health

Why Neuroradiologists Should Consider Very-High-Field Magnets for Clinical Applications of Functional Magnetic Resonance Imaging

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0899-3459
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1536-1004

Abstract

Topics irr Magneric Resonance Imaging 10(1): 1-2 0 1999 Lippincott Williams & Wilkins, Inc., Philadelphia Editorial Why Neuroradiologists Should Consider Very-High-Field Magnets for Clinical Applications of Functional Magnetic Resonance Imaging The harnessing of the nuclear magnetic resonance (MR) quality. Considerations of the potential for obtaining in- property of hydrogen nuclei, a very weak phenomenon formation from other metabolites with nonwater protons fxst described 50 years ago (1,2), has had an enormous and other nuclei (e.g., phosphorus) through MR spectros- impact on the practice of modem radiology. The inherent copy encouraged the pursuit of 1.5- to 2.0-T scanners. lack of sensitivity of MR is counteracted by the fact that After more than a decade of tribulations, these decisions biologic materials are mostly water (8&100%) with a have been validated with the recent acceptance of a reim- very high water proton concentration (about 100 M). Al- bursement code for spectroscopic information. though cross-sectional computed tomography introduced A new horizon in very high field-strength clinical MRI, by Hounsfield (3) represents the culmination of more than using 3.0- and possibly 4.0-T magnets, has now been a century of applications of X radiation for medical im- reached. Over the last several years, functional MRI

Journal

Topics in Magnetic Resonance Imaging – Wolters Kluwer Health

Published: Feb 1, 1999

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