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Susceptibility-Weighted Imaging: Technical Aspects and Clinical Applications, Part 1

Susceptibility-Weighted Imaging: Technical Aspects and Clinical Applications, Part 1 This Article Free to Access Figures Only Full Text Full Text (PDF) All Versions of this Article: ajnr.A1400v1 30/1/19 most recent Alert me when this article is cited Alert me if a correction is posted Citation Map Services Similar articles in this journal Similar articles in PubMed Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via HighWire Citing Articles via CrossRef Citing Articles via Google Scholar Google Scholar Articles by Haacke, E.M. Articles by Cheng, Y.-C.N. Search for Related Content PubMed PubMed Citation Articles by Haacke, E.M. Articles by Cheng, Y.-C.N. Hotlight (NEW!) What's Hotlight? American Journal of Neuroradiology 30:19-30, January 2009 © 2009 American Society of Neuroradiology Physics Review Susceptibility-Weighted Imaging: Technical Aspects and Clinical Applications, Part 1 E.M. Haacke a ,b , S. Mittal c ,d , Z. Wu e , J. Neelavalli b and Y.-C.N. Cheng a ,b a Department of Radiology, Wayne State University, Detroit, Mich b Department of Biomedical Engineering, Wayne State University, Detroit, Mich c Department of Neurosurgery, Wayne State University, Detroit, Mich d Karmanos Cancer Institute, Detroit, Mich e Department of Biomedical Engineering, McMaster University, Hamilton, Ontario, Canada Please address correspondence to E. Mark Haacke, PhD, Wayne State University, Detroit, MI; e-mail: [email protected] SUMMARY: Susceptibility-weighted imaging (SWI) is a new neuroimaging technique, which uses tissue magnetic susceptibility differences to generate a unique contrast, different from that of spin density, T1, T2, and T2*. In this review (the first of 2 parts), we present the technical background for SWI. We discuss the concept of gradient-echo images and how we can measure local changes in susceptibility. Armed with this material, we introduce the steps required to transform the original magnitude and phase images into SWI data. The use of SWI filtered phase as a means to visualize and potentially quantify iron in the brain is presented. Advice for the correct interpretation of SWI data is discussed, and a set of recommended sequence parameters for different field strengths is given. This article has been cited by other articles: S. B. Sabat Intraventricular Cavernous Malformation With Superficial Siderosis Arch Neurol, May 1, 2010; 67(5): 638 - 639. Full Text PDF T. P. Leist and S. Marks Magnetic resonance imaging and treatment effects of multiple sclerosis therapeutics Neurology, January 5, 2010; 74(1_Supplement_1): S54 - S61. Abstract Full Text PDF J. M. Provenzale Imaging of Traumatic Brain Injury: A Review of the Recent Medical Literature Am. J. Roentgenol., January 1, 2010; 194(1): 16 - 19. Abstract Full Text PDF C. Mainero, T. Benner, A. Radding, A. van der Kouwe, R. Jensen, B. R. Rosen, and R. P. Kinkel In vivo imaging of cortical pathology in multiple sclerosis using ultra-high field MRI Neurology, September 22, 2009; 73(12): 941 - 948. Abstract Full Text PDF H.M. Hefzy, W.S. Bartynski, J.F. Boardman, and D. Lacomis Hemorrhage in Posterior Reversible Encephalopathy Syndrome: Imaging and Clinical Features AJNR Am. J. Neuroradiol., August 1, 2009; 30(7): 1371 - 1379. Abstract Full Text PDF S. Mittal, Z. Wu, J. Neelavalli, and E.M. Haacke Susceptibility-Weighted Imaging: Technical Aspects and Clinical Applications, Part 2 AJNR Am. J. Neuroradiol., February 1, 2009; 30(2): 232 - 252. Abstract Full Text PDF Home Subscribe Author Instructions Submit Online Search the AJNR Archives Feedback Help Copyright © 2010 by the American Society of Neuroradiology. Print ISSN: 0195-6108 Online ISSN: 1936-959X http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png American Journal of Neuroradiology American Journal of Neuroradiology

Susceptibility-Weighted Imaging: Technical Aspects and Clinical Applications, Part 1

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Publisher
American Journal of Neuroradiology
Copyright
Copyright © 2010 by the American Society of Neuroradiology.
ISSN
0195-6108
eISSN
1936-959X
DOI
10.3174/ajnr.A1400
Publisher site
See Article on Publisher Site

Abstract

This Article Free to Access Figures Only Full Text Full Text (PDF) All Versions of this Article: ajnr.A1400v1 30/1/19 most recent Alert me when this article is cited Alert me if a correction is posted Citation Map Services Similar articles in this journal Similar articles in PubMed Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via HighWire Citing Articles via CrossRef Citing Articles via Google Scholar Google Scholar Articles by Haacke, E.M. Articles by Cheng, Y.-C.N. Search for Related Content PubMed PubMed Citation Articles by Haacke, E.M. Articles by Cheng, Y.-C.N. Hotlight (NEW!) What's Hotlight? American Journal of Neuroradiology 30:19-30, January 2009 © 2009 American Society of Neuroradiology Physics Review Susceptibility-Weighted Imaging: Technical Aspects and Clinical Applications, Part 1 E.M. Haacke a ,b , S. Mittal c ,d , Z. Wu e , J. Neelavalli b and Y.-C.N. Cheng a ,b a Department of Radiology, Wayne State University, Detroit, Mich b Department of Biomedical Engineering, Wayne State University, Detroit, Mich c Department of Neurosurgery, Wayne State University, Detroit, Mich d Karmanos Cancer Institute, Detroit, Mich e Department of Biomedical Engineering, McMaster University, Hamilton, Ontario, Canada Please address correspondence to E. Mark Haacke, PhD, Wayne State University, Detroit, MI; e-mail: [email protected] SUMMARY: Susceptibility-weighted imaging (SWI) is a new neuroimaging technique, which uses tissue magnetic susceptibility differences to generate a unique contrast, different from that of spin density, T1, T2, and T2*. In this review (the first of 2 parts), we present the technical background for SWI. We discuss the concept of gradient-echo images and how we can measure local changes in susceptibility. Armed with this material, we introduce the steps required to transform the original magnitude and phase images into SWI data. The use of SWI filtered phase as a means to visualize and potentially quantify iron in the brain is presented. Advice for the correct interpretation of SWI data is discussed, and a set of recommended sequence parameters for different field strengths is given. This article has been cited by other articles: S. B. Sabat Intraventricular Cavernous Malformation With Superficial Siderosis Arch Neurol, May 1, 2010; 67(5): 638 - 639. Full Text PDF T. P. Leist and S. Marks Magnetic resonance imaging and treatment effects of multiple sclerosis therapeutics Neurology, January 5, 2010; 74(1_Supplement_1): S54 - S61. Abstract Full Text PDF J. M. Provenzale Imaging of Traumatic Brain Injury: A Review of the Recent Medical Literature Am. J. Roentgenol., January 1, 2010; 194(1): 16 - 19. Abstract Full Text PDF C. Mainero, T. Benner, A. Radding, A. van der Kouwe, R. Jensen, B. R. Rosen, and R. P. Kinkel In vivo imaging of cortical pathology in multiple sclerosis using ultra-high field MRI Neurology, September 22, 2009; 73(12): 941 - 948. Abstract Full Text PDF H.M. Hefzy, W.S. Bartynski, J.F. Boardman, and D. Lacomis Hemorrhage in Posterior Reversible Encephalopathy Syndrome: Imaging and Clinical Features AJNR Am. J. Neuroradiol., August 1, 2009; 30(7): 1371 - 1379. Abstract Full Text PDF S. Mittal, Z. Wu, J. Neelavalli, and E.M. Haacke Susceptibility-Weighted Imaging: Technical Aspects and Clinical Applications, Part 2 AJNR Am. J. Neuroradiol., February 1, 2009; 30(2): 232 - 252. Abstract Full Text PDF Home Subscribe Author Instructions Submit Online Search the AJNR Archives Feedback Help Copyright © 2010 by the American Society of Neuroradiology. Print ISSN: 0195-6108 Online ISSN: 1936-959X

Journal

American Journal of Neuroradiology – American Journal of Neuroradiology

Published: Jan 1, 2009

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