RADIOLOGY MCQ---PERFUSION IMAGING

Q.All are true regarding perfusion imaging in mri except

a. dynamic susceptibility contrast (DSC) MRI is  most conventionally used to measure cerebral blood volume in brain .

b. dynamic contrast-enhanced (DCE) MRI  is used to measure vascular permeability in brain

c. MTT has been the most widely used parameter derived from DSC PWI

d. the k_trans value is putatively a measure of the vascular permeability to contrast agent

e. the k_trans correlates with glioma grade

ANS.---c

rCBV has been the most widely used parameter derived from DSC PWI