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Comparison between DSC- and DCE-derived kep measurements within tumor. A, Example of anatomic MR imaging of a patient with recurrent glioblastoma. B, DSC-derived kep measurements within the tumor. C, Corresponding DCE-derived kep measurements. D, Scatterplot between B and C demonstrates high correlation (r = 0.92) for this tumor. Note that areas of low kep are similar in both DSC- and DCE-derived maps.
