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Clinical applications of neuroimaging with susceptibility-weighted imaging

✍ Scribed by Vivek Sehgal; Zachary Delproposto; E. Mark Haacke; Karen A. Tong; Nathaniel Wycliffe; Daniel K. Kido; Yingbiao Xu; Jaladhar Neelavalli; Djamel Haddar; Jürgen R. Reichenbach

Publisher
John Wiley and Sons
Year
2005
Tongue
English
Weight
855 KB
Volume
22
Category
Article
ISSN
1053-1807

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✦ Synopsis

Abstract

Susceptibility‐weighted imaging (SWI) consists of using both magnitude and phase images from a high‐resolution, three‐dimensional, fully velocity compensated gradient‐echo sequence. Postprocessing is applied to the magnitude image by means of a phase mask to increase the conspicuity of the veins and other sources of susceptibility effects. This article gives a background of the SWI technique and describes its role in clinical neuroimaging. SWI is currently being tested in a number of centers worldwide as an emerging technique to improve the diagnosis of neurological trauma, brain neoplasms, and neurovascular diseases because of its ability to reveal vascular abnormalities and microbleeds. J. Magn. Reson. Imaging 2005. © 2005 Wiley‐Liss, Inc.

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