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 ===Choice of modalityUltrasound===*Main article: '''[[Ultrasonography of steatosis]]''' Ultrasound is a good method for screening.  Steatosis is displayed as a liver with an ecogenicity higher than usual. Quantification can be done, but it is not as accurate as MRI. === MRI===*Main article: '''[[MRI of liver steatosis]]. MRI is the most accurate method to quantify liver steatosis.  === Computed tomography ===CT should not be used to detect or stage liver steatosis. Steatosis on [[CT]] is displayed as a liver with attenuation lower than usual.  CT has high sensitivity for moderate and severe steatosis, but lower for mild steatosis.