Our purpose was to investigate potential correlations between the blood flow (BF) measured by pCASL and dynamic contrast-enhanced (DCE) MRI-derived pharmacokinetic parameters in rectal cancer. There were significant positive correlations between BF and Ktrans (p = 0.006, r = 0.579) or Kep (p = 0.002, r = 0.644). These results suggested that pCASL may have the potential to be a noninvasive alternative to DCE MRI.
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