Abstract:
:When chemical shift selective (CHESS) imaging is used with magnetic resonance imaging (MRI) for simultaneous imaging of both hands for the evaluation of rheumatoid arthritis, the fat suppression effect is poor. We investigated whether these fat-suppressed images using CHESS could be improved with the use of rice pads. T1-weighted images were obtained with CHESS and the same imaging parameters were used with and without rice pads on the coronal plane of both hands in 10 healthy volunteers. Patients were placed in a prone position with both hands extended overhead. The fat-suppression effect was classified into four categories and scored for both sets of images, and visual assessments were made by one radiologist and one radiologic technologist. The evaluation score was 1.1 for the images made without rice pads, and 3.2 for the images made with rice pads. The fat suppression effect was thus significantly better in the images made using rice pads (P<0.0001). Lingering fat signals disappeared almost completely in images of both hands using CHESS with rice pads, and it was confirmed that the images were improved and had good fat suppression. More accurate evaluation of inflammatory sites that occur in rheumatoid arthritis may thus be possible, promising better diagnostic accuracy.
journal_name
Eur J Radioljournal_title
European journal of radiologyauthors
Moriya S,Miki Y,Kamishima T,Kanagaki M,Yokobayashi T,Ishikawa Mdoi
10.1016/j.ejrad.2011.06.021subject
Has Abstractpub_date
2012-09-01 00:00:00pages
2318-22issue
9eissn
0720-048Xissn
1872-7727pii
S0720-048X(11)00560-2journal_volume
81pub_type
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