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10
11/22/11
kV vs MV - Contrast
A. Boyer et al. Med. Phys 1992;19(1)
n
n’
n
S
1 cm
20 cm
Energy
S
50 kV 18.5 %
1.25 MV 1.8 %
2.00 MV 1.4 %
6.00 MV 1.0 %
kV
MV
10-20 times less
“Impact of imaging beam spectrum on image quality”
kV
MV