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Table 2 Radiation dose

From: Reduced scan range abdominopelvic CT in patients with suspected acute appendicitis - impact on diagnostic accuracy and effective radiation dose

Organ

Full range CT (median [range], mSv)

Virtual reduced range CT (median [range], mSv)

Reduction (%)

Whole body

7.4 [3.3–18.8]

4.5 [1.9–11.2]

39.2

Adrenals

9.5 [4.9–21.6]

1.7 [0.6–12.8]

82.1

Colon

10.3 [5.1–23.5]

9.6 [4.9–22.1]

6.8

Esophagus

4.0 [1.5–9.7]

0.6 [0.2–4.7]

85.0

Gall bladder

10.8 [5.5–23.6]

8.7 [4.4–18.4]

19.4

Heart

6.7 [1.8–17.1]

0.4 [0.1–6.4]

94.0

Kidneys

12.6 [6.7–28.2]

10.2 [5.2–20.5]

19.0

Liver

11.3 [5.5–25.5]

5.1 [2.2–15.1]

54.9

Lungs

5.1 [1.4–13.5]

0.4 [0.1–5.1]

92.2

Muscle

6.5 [2.9–16.6]

4.5 [2.2–11.2]

30.8

Pancreas

9.1 [4.5–20.6]

3.2 [1.3–12.4]

64.8

Red marrow

5.4 [2.4–13.5]

3.8 [1.7–8.8]

29.6

Skeleton

9.1 [3.7–23.5]

5.0 [2.2–12.3]

45.1

Skin

6.6 [2.6–19.3]

4.4 [1.8–12.4]

33.3

Small intestine

10.1 [5.1–22.8]

9.8 [5.0–21.8]

3.0

Spleen

11.1 [5.4–25.4]

4.8 [1.9–15.1]

56.8

Stomach

11.6 [5.9–26.4]

7.0 [3.2–15.8]

39.7

Urinary bladder

11.7 [6.3–26.9]

11.0 [6.0–25.7]

6.0

Breasts

3.8 [0.5–18.8]

0.1 [0.1–0.6]

97.4

Ovaries

9.7 [5.8–19.4]

9.4 [5.7–18.8]

3.1

Uterus

9.7 [6.0–20.8]

9.5 [5.8–20.2]

2.1

Testicles

17.6 [5.4–52.9]

3.4 [0.7–32.7]

80.7

  1. p ≤ 0.001; mSv Millisievert