%X Acute myocardial infarcts (AMI) are typically discriminated with T2-weighted short TI inversion recovery (STIR) with turbo spin echo (TSE) readouts [1], albeit with limited specificity [2]. Guided by the association that T2-STIR images identify AMI territories on the basis of edema-related T2 changes, even some of the recently proposed improvements [2,3] have relied on preferential sensitization of magnetization to T2- weighting. However, whether T2-STIR imaging itself may also be sensitive to other sources of image contrast have not been fully investigated. We hypothesize that in addition to T2-weighting, edema detection with T2-STIR imaging has substantial weighting from proton density (PD) changes.
%C  Stockholm, Sweden
%L eprints838
%A Xiangzhi  Zhou
%A Veronica Rundell
%A Ying Liu
%A Richard Tang
%A Rachel Klein
%A Shivraman Giri
%A Saurabh Shah
%A Sotirios A. Tsaftaris
%A Sven Zuehlsdorff
%A Orlando Simonetti
%A Debiao Li
%A Rohan Dharmakumar
%T On the origin of myocardial edema contrast in T2-STIR images
%D 2010