A methodology for co-registering abdominal MR images over multiple breath-holds

Feinberg, D. A. and Johnson, G. (1995) A methodology for co-registering abdominal MR images over multiple breath-holds. Magnetic Resonance in Medicine, 34 (5). pp. 770-774. ISSN 0740-3194

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Previous studies have demonstrated that the SNR of abdominal MR images can be increased by averaging images obtained in different breath-hold acquisitions. In this note, the authors present a simple new methodology for ensuring that images acquired in multiple breath-hold periods are accurately co-registered. Within each breath-hold, a quick coronal scout scan is followed by a longer axial scan. The scout is used to position the axial slices in a fixed position relative to the organ under examination. This MR technique can, in principle, be automated so as to add less than 1 s to the imaging time of the axial scan. The method can be used to increase SNR by signal averaging or to co-register images acquired during, for example, uptake of contrast agents. SNR improvement with negligible blurring is demonstrated in liver images acquired by this method from healthy volunteers.

Item Type: Article
Uncontrolled Keywords: abdominal mri,liver imaging,smart
Faculty \ School: Faculty of Medicine and Health Sciences > Norwich Medical School
Depositing User: Pure Connector
Date Deposited: 06 Oct 2015 00:08
Last Modified: 21 Oct 2022 01:17
URI: https://ueaeprints.uea.ac.uk/id/eprint/54552
DOI: 10.1002/mrm.1910340517

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