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- W2011640209 abstract "Large field-of-view (FOV) imaging techniques, such as the multi-station and moving-table techniques, are necessary to image systemic diseases such as peripheral vascular disease and metastases. In the multi-station technique, the full k-space is acquired for each station, i.e., at each local FOV, and the images are combined offline. For the moving-table method, the scanner bed is continuously moved through the local FOV during a single acquisition, creating a single large FOV image. Steady-state free precession is a pulse sequence capable of rapid image data acquisition. This study compares large FOV images of healthy volunteers using both the moving-table method and the multi-station technique using an SSFP pulse sequence. In the multi-station technique, six 32 s-acquisition's are required to cover the large FOV. For the moving table method, the hybrid k-space is collected during a single 150 s-scan, creating a seamless large FOV image. Although the moving-table method is more time-efficient than the multi-station technique, image quality is sacrificed. This quality reduction is due to non-steady-state conditions caused by table motion and because the k-space data is partially sampled. By optimizing this moving-table SSFP technique and integrating it with a tissue suppression algorithm, it may be possible to perform non-contrast enhanced MR angiograms of the entire peripheral vasculature. Thus, the technique could provide a non-invasive and time-efficient method for producing seamless large FOV images for diagnosis of systemic diseases." @default.
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- W2011640209 date "2005-06-23" @default.
- W2011640209 modified "2023-10-05" @default.
- W2011640209 title "Sci-PM Thurs - 04: A comparative study between multi-station and moving-table methods with steady-state free precession" @default.
- W2011640209 doi "https://doi.org/10.1118/1.2030974" @default.
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