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Table 4 Organ radiation doses (in mGy) and ED (in mSv) delivered to a patient for three different scenarios

From: Deep learning-based fully automated Z-axis coverage range definition from scout scans to eliminate overscanning in chest CT imaging

Scenario

 

ED

CTDIvol

DLP

Adrenals

Breast

Esophagus

ETR

GB

Kidneys

Liver

LN

OM

Pancreas

RBM

SG

Skeleton

Skin

SI

Spleen

Stomach

Thymus

Thyroid

Exact Lung

mean

4.9

10.37

276

7.2

9.7

10.1

1.3

1.7

1.7

5.2

3.0

0.4

4.8

1.2

0.5

8.3

2.7

0.2

4.3

3.6

16.4

4.6

STD

2.39

5.37

142

5.0

6.4

4.8

0.8

1.1

1.2

3.3

1.4

0.2

3.2

0.6

0.3

3.9

1.3

0.1

3.0

2.4

7.5

2.9

Min

1.12

1.90

50

0.9

1.6

2.2

0.2

0.2

0.1

0.8

0.7

0.1

0.7

0.3

0.1

2.0

0.6

0.0

0.5

0.5

3.3

0.5

Q1

2.9

5.93

154

3.2

4.6

6.5

0.6

0.8

0.6

2.5

1.9

0.2

2.2

0.7

0.3

5.1

1.5

0.1

1.9

1.6

10.6

1.9

Q2

4.72

10.11

256

5.5

7.8

9.8

1.2

1.4

1.3

4.2

2.9

0.3

3.9

1.1

0.4

8.0

2.4

0.2

3.5

3.0

16.4

4.4

Q3

6.34

13.61

365

10.4

14.5

12.8

2.0

2.4

2.5

7.2

3.9

0.5

6.8

1.5

0.6

10.8

3.5

0.3

6.2

5.1

20.8

6.9

Max

12.47

22.10

662

22.4

25.4

24.0

4.1

6.1

6.4

16.3

7.2

1.2

16.4

2.7

1.5

19.4

6.4

0.7

15.0

12.2

34.6

15.1

Human

Mean

5.93

10.31

336

10.5

9.8

11.5

2.3

4.1

4.6

8.3

3.7

0.7

8.1

1.4

0.9

9.7

3.3

0.6

7.7

6.6

16.6

7.8

STD

3.07

5.37

182

6.1

6.6

5.5

1.7

3.7

4.4

5.1

1.9

0.5

5.2

0.7

0.7

4.8

1.8

1.0

5.2

4.7

7.8

6.0

Min

0.4

0.67

22

0.4

0.0

1.0

0.1

0.1

0.1

0.4

0.3

0.0

0.3

0.1

0.0

0.9

0.3

0.0

0.2

0.2

1.4

0.3

Q1

3.5

5.91

185

5.3

4.6

7.4

1.1

1.6

1.5

4.2

2.2

0.3

3.9

0.9

0.4

6.0

1.8

0.2

3.7

3.2

10.9

3.9

Q2

5.7

10.07

312

10.3

7.9

11.3

2.0

3.0

3.3

7.6

3.6

0.5

7.2

1.3

0.7

9.4

3.1

0.4

6.7

5.6

16.7

7.2

Q3

7.74

13.57

448

14.3

14.7

14.6

3.3

5.5

6.4

11.3

4.8

0.9

11.3

1.8

1.2

12.7

4.4

0.7

10.9

9.2

21.2

10.4

Max

14.82

21.60

825

25.6

25.6

25.9

9.7

20.8

22.5

22.7

8.9

4.3

22.1

3.1

5.1

22.0

8.2

7.8

22.0

22.1

35.0

34.1

DL

Mean

4.9

10.37

277

7.2

9.6

10.1

1.3

1.7

1.7

5.2

3.0

0.4

4.8

1.2

0.5

8.3

2.7

0.2

4.3

3.6

16.3

4.6

STD

2.44

5.38

144

5.1

6.4

4.9

0.8

1.2

1.3

3.4

1.4

0.2

3.3

0.6

0.3

3.9

1.4

0.1

3.1

2.5

7.6

2.9

Min

0.39

1.42

24

0.4

0.0

0.9

0.1

0.1

0.1

0.3

0.3

0.1

0.3

0.1

0.1

0.9

0.3

0.0

0.2

0.2

1.4

0.2

Q1

2.95

6.00

155

3.2

4.6

6.5

0.6

0.8

0.6

2.5

1.9

0.2

2.2

0.8

0.3

5.2

1.5

0.1

1.9

1.6

10.7

1.9

Q2

4.75

10.11

257

5.6

7.8

9.8

1.2

1.4

1.3

4.3

2.9

0.3

3.9

1.1

0.4

8.0

2.5

0.2

3.5

3.0

16.4

4.4

Q3

6.36

13.62

367

10.5

14.5

12.9

2.0

2.4

2.5

7.3

3.9

0.5

6.9

1.5

0.6

10.8

3.5

0.3

6.3

5.2

20.8

7.0

Max

12.47

22.10

662

22.4

25.4

24.0

4.1

6.1

6.4

16.3

7.2

1.2

16.4

2.7

1.5

19.4

6.4

0.7

15.0

12.2

34.6

15.1

  1. GB Gall bladder, RBM Red Bone Marrow, SI Small Intestine, SG Salivary Glands, ETR Extra Thoracic Region, LN Lymph Nodes