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EJNMMI Research

Table 1 ICRP Publication 103 [7] and ICRP Publication 60 [4] tissue weighting factors, wT

From: Accuracy in dosimetry of diagnostic agents: impact of the number of source tissues used in whole organ S value-based calculations

Tissues/organs

ICRP Publication 103

wT

ICRP Publication 60

wT

Bone marrow (red)

0.12

0.12

Lungs

0.12

0.12

Colon

0.12

0.12

Stomach

0.12

0.12

Breast

0.12

0.05

Gonads

0.08

0.20

Bladder

0.04

0.05

Esophagus

0.04

0.05

Liver

0.04

0.05

Thyroid gland

0.04

0.05

Bone surface

0.01

0.01

Skin

0.01

0.01

Brain

0.01

–

Salivary glands

0.01

–

Remainder tissues

0.12†

0.05*

∑wT

1.00

1.00

  1. †Remainder tissues ICRP Publication 103 (14 in total): adrenals, extrathoracic region, gall bladder, heart, kidneys, lymphatic nodes, muscle, oral mucosa, pancreas, prostate, small intestine, spleen, thymus and uterus/cervix
  2. *Remainder tissues ICRP Publication 60 (9 in total): adrenals, brain, small intestine, kidneys, muscle, pancreas, spleen, thymus, and uterus
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