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Fig. 2 | Fluids and Barriers of the CNS

Fig. 2

From: Compressed-sensing accelerated 4D flow MRI of cerebrospinal fluid dynamics

Fig. 2

Magnitude, phase contrast and pathline images. a Phase images (top) with feet-head encoded velocity at peak flow (white = caudal flow, black = cranial flow), magnitude with pathlines (middle) and zoomed-in pathlines (bottom). Acceleration factors labeled correspondingly. Pathline screenshots were taken at 734 ms (SENSE), 640 ms (CSE4), 795 ms (CSE6), 810 ms (CSE8), and at 763 ms (CSE10). For better visualization of the pathlines, additional contours were defined at each intervertebral disk. b Magnitude images of one subject (top) with one exemplary ROI. Axial magnitude and phase images of the corresponding ROI in one examplary slice (white line) (bottom). Acceleration factors labeled correspondingly. Pathline screenshots were taken at 620 ms (SENSE), 625 ms (CSE4), 622 ms (CSE6), 620 ms (CSE8), 625 ms (CSE10). Imaging artifacts are highlighted with black arrows in CSE8 and CSE10

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