In-room imaging and MR planning

Derived Parameters

Tissue voxel

Extravascular- extracellular space

PS

intravascular space

BF

BV

Permeability-surface area product (PS): volume of contrast media exiting the intravascular space and entering the extravascular-extracellular space (EES) in one unit of time, normalized by one unit of volume. Unit of measure:

Tofts: “Modeling Tracer Kinetick in Dynamic Gd-DTPA MR Imaging” JMRI 7(1) , 92-101 (1997)