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2004 JAN 1 - (NewsRx.com & NewsRx.net) -- Breast tissue differentiation using arterial spin tagging (AST) can potentially detect cancer, researchers report.
"An AST pulse sequence has been developed to measure T-1 and relative blood perfusion. This full sequence is composed of three sequences: selective, tagging, nonselective tagging, and nontagging," researchers in the United States report.
"Perfusion quantification error resulting from imperfect inversion and acquisition slice profiles has been addressed in the literature," wrote D.C. Zhu and colleagues, University of California, Davis, Imaging Center.
"In this work, the error is reduced through the application of optimized Shinnar-Le Roux (SLR) RF pulses and a semi-log linear regression data-processing technique," the researchers wrote.
The researchers concluded: "A threshold approach based on the ...
Source: HighBeam Research, Breast tissue differentiation using arterial spin tagging may detect...