The successful implementation of integrated PET/MR systems has enabled a unique platform for simultaneous multi-parametric imaging comprising morphologic, functional and metabolic features of pathologic tissue. MR Fingerprinting has been recently presented as a robust and fast framework for simultaneous accurate quantification of multiple MR tissue properties. The results of our study, combining tissue characterization based on PET/MR imaging and MR Fingerprinting, indicate a correlation between tumor grading and changes in tissue features, demonstrating the high diagnostic potential of this novel approach for multi-parametric tissue characterization.
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