Molecular Imaging 2017

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0
50
100
150
200
250
300
350
400
0 200 400 600 800 1000
Signal intensity
b value (s/mm 2)
Bowel
Prostate-Central
Prostate-peripheral
Bladder
Muscle
Marrow
Tumour
bD
e
S
S 

0
S = DW signal
S0 = signal without DW
b=diffusion factor
D = diffusion coefficient
T2
DWI
b800
Sequence TR TE NEX FOV Matrix ST (mm) IPAT BW
Diffusion
Weighted
SS-EPI
SPAIR
5000-
6000
65-80 >4 260 256*256 4-6 2 2200
Pelvis: b=0, 1200 s/mm2 Rectum: b=0, 100, 500, 800 s/mm2