In-room imaging and MR planning

Effect of b-values on DWI: restricted diffusion at high b-vals

Mean DWI (50 directions)

300

0

b=0

b=500

b=1000

b=1500

b=2000

b=2500

(mm 2 /s)

(mm 2 /s)

DWI

ADC

ln(S/S 0

)

0.001

250

0

0.0008

200

-0.5

0.0006

150

-1

0.0004

100

-1.5

0.0002

50

0

0

-2

500 1000 1500 2000 2500

0 500 1000 1500 2000 2500

0 500 1000 1500 2000 2500

b-value (s/mm 2 )

b-value (s/mm 2 )

b-value (s/mm 2 )

WM GM

Litcofsky & Tazoe, Pittsburg University