In-room imaging and MR planning

2

− 0

What do we probe with Diffusion MRI?

D(t) =

2

Unrestricted in vivo diffusion low cellularity & defective membranes

Restricted in vivo diffusion high cellularity & intact membranes

Free diffusion true Brownian motion

= 3 μm 2 /ms @ 37 °

≈ 1 μm 2 /ms @ 37 ° (depending on restrictions)

D

D

pure water

in-vivo

Koh et al., AJR, 2007