Seventy consecutive patients with chronic liver diseases and whose R2* values of the liver exceeded 100 s-1 were retrospectively recruited, and factors related to MR elastography failure were analyzed. Iron accumulation which corresponds to R2* value over 200 s-1 and Child-Pugh score 10 are found to be the two independently significant factors that are related to the failure of MR elastography of the liver. For the assessment of the degree of liver fibrosis in those associated with these factors, other modality, such as ultrasonic elastography, may be considered.
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