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On the dark rim artifact in dynamic contrast‐enhanced MRI myocardial perfusion studies
Author(s) -
Di Bella E.V.R.,
Parker D.L.,
Sinusas A.J.
Publication year - 2005
Publication title -
magnetic resonance in medicine
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.696
H-Index - 225
eISSN - 1522-2594
pISSN - 0740-3194
DOI - 10.1002/mrm.20666
Subject(s) - artifact (error) , perfusion , contrast (vision) , dynamic contrast enhanced mri , magnetic resonance imaging , myocardial perfusion imaging , nuclear magnetic resonance , perfusion scanning , nuclear medicine , medicine , computer science , radiology , artificial intelligence , physics
A dark band or rim along parts of the subendocardial border of the left ventricle (LV) and the myocardium has been noticed in some dynamic contrast‐enhanced MR perfusion studies. The artifact is thought to be due to susceptibility effects from the gadolinium bolus, motion, or resolution, or a combination of these. Here motionless ex vivo hearts in which the cavity was filled with gadolinium are used to show that dark rim artifacts can be consistent with resolution effects alone. Magn Reson Med, 2005. © 2005 Wiley‐Liss, Inc.

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