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Table 4 CT Organ Absorbed Dose (mGy)

From: Patient-adapted organ absorbed dose and effective dose estimates in pediatric 18F-FDG positron emission tomography/computed tomography studies

 

All ages

<  1 Y

1–5 Y

6–10 Y

11–15 Y

16–17 Y

Adrenals

5.9

4.5

5.6

5.8

6.0

7.0

Brain

6.1

4.3

5.3

5.9

6.6

7.8

Breast

5.4

4.0

5.4

5.5

5.3

5.9

Colon

6.7

4.8

6.4

6.8

6.8

7.3

Esophagus

6.4

5.0

6.2

6.3

6.2

7.4

Eyes

6.7

4.5

5.8

6.7

7.5

9.2

Eye Lens

7.0

4.1

5.9

7.0

8.0

9.9

Gall Bladder

6.0

4.6

5.9

6.2

5.9

5.9

Gonads

6.9

5.4

6.9

7.2

6.9

6.7

Heart

6.7

5.3

6.5

6.8

6.6

7.2

Kidneys

7.0

5.4

6.8

7.1

6.9

7.5

Liver

6.5

4.9

6.2

6.6

6.5

7.0

Lungs

6.6

5.3

6.4

6.7

6.6

7.2

Pancreas

6.0

4.8

6.0

6.2

5.9

6.3

Prostate/Uterus

6.1

4.6

6.1

6.2

5.9

6.4

Red Marrow

5.6

4.2

5.4

5.9

5.7

5.7

Small Intestine

6.3

4.7

6.1

6.4

6.3

6.9

Spleen

6.5

5.1

6.2

6.5

6.5

7.0

Stomach

6.3

4.8

6.1

6.5

6.6

6.4

Thymus

9.4

7.0

9.1

9.7

9.5

9.6

Thyroid

9.4

5.8

8.2

8.8

9.8

13.0

Bladder

6.6

5.0

6.6

6.8

6.5

6.9

  1. <1Y = patients aged less than one year at scan time
  2. 1-5Y = patients aged one year to five years old at scan time
  3. 6-10Y = patients aged five years to ten years old at scan time
  4. 11-15Y = patients aged eleven to fifteen years old at scan time
  5. 16-17Y = patients aged sixteen to seventeen years old at scan time