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Subtle changes in BBB integrity might be missed by contrast-enhanced T1-weighted MRI. Blood-brain barrier arterial spin labeling (BBB-ASL) is a new technique to assess BBB disruptions. In this work, we measured the cerebral blood flow (CBF) and exchange time (Tex) values of the tumor, normal-appearing white matter, and normal-appearing gray matter regions in gliomas using BBB-ASL technique. Our results indicated higher CBF and leakier BBB in contrast-enhanced regions of gliomas than in the normal-appearing GM.
Turhan et al. (Wed,) studied this question.
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