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|Title:||Readout-segmented Echo-planar imaging for diffusion-weighted imaging in the pelvis at 3T-A feasibility study|
Weileng Ang, B.
Diffusion magnetic resonance imaging
|Source:||Thian, Y.L., Xie, W., Porter, D.A., Weileng Ang, B. (2014-04). Readout-segmented Echo-planar imaging for diffusion-weighted imaging in the pelvis at 3T-A feasibility study. Academic Radiology 21 (4) : 531-537. ScholarBank@NUS Repository. https://doi.org/10.1016/j.acra.2014.01.005|
|Abstract:||Rationale and Objectives: Diffusion-weighted imaging (DWI) of the pelvis at 3T is prone to artifacts that diminish the image quality. Readout-segmented echo-planar imaging (RS-EPI) is a new DWI technique that can reduce the artifacts associated with standard single-shot echo-planar imaging (SS-EPI) DWI. The purpose of this study was to evaluate the feasibility and image quality of RS-EPI in pelvic DWI compared to SS-EPI on a 3T imaging system. Materials and Methods: Thirty patients underwent pelvic DWI on a 3T scanner with SS-EPI and RS-EPI techniques. Two blinded readers independently assessed each set of images for geometric distortion, image blurring, ghosting artifacts, lesion conspicuity, and overall image quality on a 7-point scale. Qualitative image scores were compared using paired Wilcoxon signed rank test. Interreader correlation was assessed by Spearman rank correlation. Results: Geometric distortion, imaging blurring, ghosting artifacts, lesion conspicuity, and overall image quality were rated significantly better by both readers for RS-EPI technique (P|
|Source Title:||Academic Radiology|
|Appears in Collections:||Staff Publications|
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