Document Detail


Venous signal suppression in 3D dynamic Gd-enhanced carotid artery imaging using the eigenimage filter.
MedLine Citation:
PMID:  10440956     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
A three-dimensional dynamic gadolinium-enhanced carotid artery imaging protocol with 10 sec per phase was evaluated with respect to the acquisition of an arterial-only phase after contrast bolus injection. Subsequently, the eigenimage filter was used to suppress any venous signal based on a difference in arterial and venous temporal enhancement patterns. From 63 consecutive scans of the carotid bifurcation, venous enhancement in the maximal arterial phase was found to be absent in 43%, weak in 19%, and strong in 38% of cases. Our eigenimage filter successfully suppressed the low signal veins in 100% and the high signal veins in 67% of cases. The number of acquired high-quality arterial-only images increased from 43% without to 87% with the use of the filter. In conclusion, even when a dynamic scan cannot resolve the short physiological delay between arterial and venous enhancement, the eigenimage filter can effectively be used to suppress the veins. Magn Reson Med 42:307-313, 1999.
Authors:
D W Kaandorp; K Kopinga; P F Wijn
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Magnetic resonance in medicine : official journal of the Society of Magnetic Resonance in Medicine / Society of Magnetic Resonance in Medicine     Volume:  42     ISSN:  0740-3194     ISO Abbreviation:  Magn Reson Med     Publication Date:  1999 Aug 
Date Detail:
Created Date:  1999-09-28     Completed Date:  1999-09-28     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  8505245     Medline TA:  Magn Reson Med     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  307-13     Citation Subset:  IM    
Copyright Information:
Copyright 1999 Wiley-Liss, Inc.
Affiliation:
Saint Joseph Hospital, Department of Clinical Physics, Veldhoven, The Netherlands. kaandorp@kfm1.phys.tue.nl
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MeSH Terms
Descriptor/Qualifier:
Carotid Artery, Internal / pathology
Carotid Stenosis / diagnosis*
Contrast Media
Gadolinium / diagnostic use
Humans
Image Enhancement
Jugular Veins / anatomy & histology
Magnetic Resonance Angiography / methods*
Mathematics
Chemical
Reg. No./Substance:
0/Contrast Media; 7440-54-2/Gadolinium

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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