Multifrequency abdominal MRE was applied to monitor stiffness of the liver and kidney in renal transplant recipients with chronic HCV infection after antiviral therapy. Within a 6-months period after medication, hepatic stiffness was significantly reduced while renal stiffness in kidney transplants was not altered. Wave speed obtained by high-resolution multifrequency MRE can serve as a quantitative imaging maker to assess the treatment response and monitor abdominal organ stiffness longitudinally.
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