From: Diffusion-weighted imaging (DWI) and apparent diffusion coefficient (ADC) values of optic nerve head in Papilledema
DWI
Fundoscopy
Total
p
Papilledema (n = 48)
Normal (n = 47)
N
%
DWI changes
44
91.7
0
–
44 (46.3%)
.001
No DWI changes
4
8.3
47
100%
51 (53.7%)
48
100
95