Skip to main content

Table 3 ICRP 103 tissue weighting factors (wT), fractions irradiated (fi) and dosimeters used to calculate effective dose

From: Effective radiation dose of a MSCT, two CBCT and one conventional radiography device in the ankle region

   

Dosimeter

Organ

wT

fi

number

Bone marrow

0.12

  

Tibia

 

0.007

1, 4, 7, 9

Fibula

 

0.001

6, 11

Navicular

 

0.001

14

Metatarsals

 

0.001

16

Calcaneus

 

0.002

18

Bone surface

0.01

  

Calcaneal tuberosity

 

0.049

13, 19

Skin

0.01

  

Superior extensor Retinaculum

 

0.009

8

Calcaneal tendon

 

0.026

10

Remainder

0.12

  

Lymphatic nodes

 

0.010

10, 14, 15

Muscle

 

0.009

2, 3, 5, 20