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Fig. 2 | BMC Medical Imaging

Fig. 2

From: Liver fat volume fraction measurements based on multi-material decomposition algorithm in patients with nonalcoholic fatty liver disease: the influences of blood vessel, location, and iodine contrast

Fig. 2

The 70 keV monochromatic images cross different scanning phases (A: NC, B: LAP, C: PVP) from a patient with NAFLD, and (D)-(F) were the corresponding liver fat images. Vessels could be clearly shown on PVP images (C), while couldnot be seen no non-contrast images (A). Therefore, we firstly carefully placed the ROI at RPL on PVP images avoiding vessels, and then on non-contrast and LAP images to assure the accuracy of FVF values. FVF values of ROIs (yellow ellipse) for above three scanning phases were 25.29%, 27.97%, 29.74% respectively. Note: FVF fat volume fraction, NAFLD nonalcoholic fatty liver disease, LAP late arterial phase, PVP portal vein phase, NCP non–contrast enhanced phase, RPL right posterior lobe, RAL right anterior lobe, LLL left lateral lobe

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BMC Medical Imaging

ISSN: 1471-2342

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