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Downloaded from http://journals.lww.com/topicsinmri by BhDMf5ePHKbH4TTImqenVA5KvPVPZ0P5BEgU+IUTEfzO/GUWifn2IfwcEVVH9SSn on 06/03/2020 REVIEW ARTICLE Gregory Chang, MD, MBA (Top Magn Reson Imaging 2019;28:99) Because of this technological progress, UHF MRI has been applied in the human body from head to toe and across a wide spectrum of diseases, including neurologic, musculoskeletal, gastro- am thrilled to serve as the guest editor for this exciting issue on intestinal, oncologic, and cardiac disorders. We are fortunate in this I Ultrahigh field (UHF) magnetic resonance imaging (MRI). Since issue to have international leaders in UHF MRI who have contributed the arrival of MRI as clinical and research tool in medicine, the urge chapters on musculoskeletal imaging (Juras et al, University of to scan at higher field strength has been driven by the higher signal- Vienna), body imaging (Metgzer et al, University of Minnesota), to-noise ratio (SNR) available at these field strengths. This higher neuroimaging (Verma et al, Mount Sinai School of Medicine), SNR can be translated into higher spatial resolution, higher temporal radiofrequency coil technology (Kraff et al, Erwin L. Hahn Institute resolution, faster scanning, and improved ability to detect x-nuclei and University of Duisburg-Essen), parallel transmit MRI (Cem and perform biochemical or physiologic imaging. Deniz, PhD, New York University Langone Health), and multinu- However, the transition from human scanning at 3T to 7T has clear MRI (Niesporek et al, German Cancer Research Center). presented technical challenges, including higher specific absorption Given the 2017 European and United States regulatory approval rates, inhomogeneity in B0 and B1þ fields, alterations in tissue for the use of 7 T MRI scanners in the clinic for brain and knee relaxation times, and the need to construct dedicated UHF radio- imaging, the future is looking bright for UHF MRI, and I firmly frequency coils. To overcome these challenges, researchers have made groundbreaking progress both in terms of software, including believe that its benefits for patient care will soon be realized. And the data acquisition and pulse sequences, and in terms of hardware, greater use of 7T in the clinic will accelerate future research and including the development of novel radiofrequency coils and parallel technology developments in UHF MRI to address clinical needs. I transmit arrays. hope that you enjoy reading this issue as much I have. From the Department of Radiology, NYU Langone Health, New York, NY. Address correspondence to Gregory Chang, MD, MBA, Department of Radiology, NYU Langone Health, 660 First Avenue, New York, NY 10016 (e-mail: gregory.chang@nyulangone.org). NIH Funding: R01- AR066008, R01 AR070131 was received for this study. The authors report no conflicts of interest. Copyright 2019 Wolters Kluwer Health, Inc. All rights reserved. DOI: 10.1097/RMR.0000000000000208 Topics in Magnetic Resonance Imaging Volume 28, Number 3, June 2019 www.topicsinmri.com 99 Copyright © 2019 Wolters Kluwer Health, Inc. All rights reserved. Downloaded from http://journals.lww.com/topicsinmri by BhDMf5ePHKbH4TTImqenVA5KvPVPZ0P5BEgU+IUTEfzO/GUWifn2IfwcEVVH9SSn on 06/03/2020
Topics in Magnetic Resonance Imaging – Wolters Kluwer Health
Published: Jun 1, 2019
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