Skip to main content

Table 1 Radiation dose for each cadaveric specimen with different acquisition protocols employing automatic exposure control

From: Influence of spectral shaping and tube voltage modulation in ultralow-dose computed tomography of the abdomen

Tube voltage

Sn 100 kVp

Sn 150 kVp

120 kVp

100 kVp

80 kVp

Dose level

Standard

Low

Ultralow

Standard

Low

Ultralow

Standard

Low

Ultralow

Standard

Low

Ultralow

Standard

Low

Ultralow

Specimen 1

3.40

1.12

0.54

3.69

1.25

0.61

3.91

1.27

0.60

3.71

1.26

0.65

3.56

1.34

0.7

Specimen 2

3.00

0.99

0.47

3.28

1.06

0.5

3.51

1.10

0.47

3.39

1.08

0.49

2.79

0.94

0.47

Specimen 3

3.18

1.05

0.47

3.07

1.10

0.53

3.48

1.10

0.51

3.29

1.18

0.53

2.9

1.00

0.48

Specimen 4

2.61

0.80

0.39

2.66

0.76

0.37

2.91

0.94

0.40

2.87

0.90

0.36

2.62

0.77

0.54

Specimen 5

3.12

1.05

0.48

3.35

1.14

0.57

3.38

0.94

0.53

3.37

1.10

0.6

3.40

1.29

0.55

Specimen 6

2.75

0.95

0.41

2.87

0.98

0.48

2.81

0.77

0.47

2.79

0.98

0.48

2.72

1.08

0.53

Specimen 7

2.24

0.76

0.34

1.97

0.72

0.36

2.17

0.64

0.38

2.19

0.72

0.37

2.16

0.73

0.36

Specimen 8

2.40

0.82

0.35

2.37

0.79

0.39

2.34

0.67

0.38

2.39

0.82

0.39

2.44

0.83

0.41

CTDIvol[mGy]

2.84 ± 0.38

0.94 ± 0.13

0.43 ± 0.07

2.91 ± 0.52

0.98 ± 0.18

0.48 ± 0.09

3.06 ± 0.57

0.93 ± 0.21

0.47 ± 0.07

3.00 ± 0.50

1.01 ± 0.17

0.48 ± 0.10

2.82 ± 0.44

1.00 ± 0.21

0.51 ± 0.10

  1. Note.– CTDIvol– volume computed tomography dose index