To long-term track patients with liver disease is often carried out in clinics. It is also noted that nonspecific contrast agents change the relaxation time of tissue components, but few studies focus on the strong or weak FF alteration reflected by IDEAL-IQ derived measurements acquired before and after the contrast injection. In our study, we discovered significantly altered T1 values and fat fraction but not R2* even after the non-specific contrast agent achieved balanced condition at 3 minutes later of post-injection. Therefore, the liver non-specific contrast agent had an impact on the fat fraction measurements computed by IDEAL-IQ, and the utility of IDEAL-IQ should be performed before the injection of contrast agents to ensure the accuracy of fat fraction.
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