CT value (HU)

Tube voltage

100 kV

120 kV

140 kV

Contrast medium

−

+

+/−

−

+

+/−

−

+

+/−

DCIS (n = 6)

38.9 ± 10.8

99.2 ± 22.3

2.55

37.7 ± 9.9

82.8 ± 15.2

2.18

35.6 ± 9.36

66.1 ± 9.60

1.86

IDC (n = 28)

43.1 ± 11.7

102.9 ± 28.6

2.39

41.6 ± 10.5

86.2 ± 21.9

2.07

39.6 ± 9.70

69.1 ± 15.8

1.74