ESTRO BCR Course / NT radiosensitivity and fractionation – W. Dörr
a/b
-value
- late effects / experimental data
Tissue / reaction
a/b
-value [Gy]
Ref.
Spinal cord cervical
lumbar
1.8-2.7
1.6-1.9
1.5-2.0
2.2-3.0
3.7-4.5
4.1-4.9
3.8-4.1
2.3-2.9
van der Kogel 1979
White and Hornsey 1978
Ang et al. 1983
Thames et al. 1981
van der Kogel 1979
White and Hornsey 1978
Leith et al 1981
Amals and Yuhas
Intestine
Weight loss
Rectal stenosis
3.1-5.0
Terry and Denekamp
Trott and Kummermehr 1994
Kidney
1.7-2.0
1.7-2.0
0.5-3.8
1.0
0.9-2.8
1.4-4.3
Caldwell 1975
Hopewell and Wiernik 1977
van Rongen et al. 1988
liams and Denekamp 1984
Stewart et al. 1984
Thames et al. 1988
Urinary bladder
Impaired function
6.6 [2.2;14.5]
5.8 [3.6;8.8]
4.4 [2.0;8.4]
Stewart et al. 1984
Bentzen et al. 1992
Dörr and Bentzen 1999
Lung
LD50
Breathing frequency
4.4-6.3
2.8-4.8
2.0-2.4
1.9-3.1
Wara et al. 1973
Field et al 1976
Travis et al. 1983
Parkins and Fowler 1985
Dose fractionation: LQ formalism